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15 Research products (1 rule applied)

  • Heritage Science
  • 2019-2023

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Morezzi, Emanuele; Haj Ismail, Salah;
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    Publications Open Repository TOrino
    Part of book or chapter of book . 2020
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    Publications Open Repository TOrino
    Part of book or chapter of book . 2020
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      Publications Open Repository TOrino
      Part of book or chapter of book . 2020
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Publications Open Repository TOrino
      Part of book or chapter of book . 2020
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Maria Paola Bracciale; Lorena Capasso; Fabrizio Sarasini; Jacopo Tirillò; +1 Authors

    In recent years, fluoropolymers have found numerous applications in the architectural field because of their combination of mechanical-chemical resistance and high transparency. In the present work, commercial fluorinated polymers, such as perfluoro alkoxy (PFA) and ethylene tetrafluoroethylene copolymer (ETFE), have been evaluated for use as protective and transparent layers on monumental and archaeological sites (to preserve mosaics or frescoes) during the phases of restoration or maintenance outdoors. Considering this specific application, the present study was developed by evaluating the evolution of the mechanical (tensile, tear propagation resistance, and low-velocity impact tests) and chemical (FTIR and DSC analysis) properties of the films after accelerated UV aging. The results that were obtained demonstrated the high resistance capacity of the ETFE, which exhibits considerably higher elastic modulus and critical tear energy values than PFA films (1075.38 MPa and 131.70 N/mm for ETFE; 625.48 MPa and 59.06 N/mm for PFA). After aging, the samples exhibited only a slight reduction of about 5% in the elastic modulus for both polymers and 10% in the critical tear energy values for PFA. Furthermore, the differences in impact resistance after aging were limited for both polymers; however, the ETFE film showed higher peak force than the PFA films (82.95 N and 42.22 N, respectively). The results obtained demonstrated the high resistance capacity of ETFE films, making them the most suitable candidate for the considered application.

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    Polymers
    Other literature type . Article . 2022 . Peer-reviewed
    License: CC BY
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    Polymers
    Article . 2022
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    Polymers
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      Polymers
      Other literature type . Article . 2022 . Peer-reviewed
      License: CC BY
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      Polymers
      Article . 2022
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      Polymers
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  • Authors: Lagerberg, Julia;

    Rust or dry out? Objects made of iron and wood require different conservation conditions. Iron needs an RH, lower than 18% so as not to rust while wood wants as much as an RH of 50% so as not to dry out. Will a compromise on an RH of 30% be used at an exhibition, so that as much as possible of the object can be protected for the future even if the object will be destroyed over time? Techniques, chemicals and storage that are applied to one material can break down the other, causing problems with preservation. PEG impregnation, which is a good treatment for degraded wood, has a PH value of 4 and iron rusts at a PH of less than 9. One possibility is to add an inhibitor to the PEG solution, which increases the PH value, possibly overlay the iron part so that it does not come into contact with the PEG solution and then freeze-dry the object. By finally treating the iron with a rust protection, an RH that applies to wood can be applied. Another conceivable feature is choosing which material to keep. Can ICOM's professional ethics rules then be applied practically to these objects, for example in terms of ethics, minimum possible action and reversibility? Uppsats för avläggande av filosofie kandidatexamen i Kulturvård, Konservatorprogrammet 15 hp Institutionen för kulturvård Göteborgs universitet 2019:19

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Jenkins, Skyler;

    Bioapatite or hydroxyapatite (HAP) is a biocomposite and the main component of hard tissues such as bones and teeth. Owing to its unique physical and chemical properties, synthetically produced hydroxyapatite has found extensive applications in medicine and dentistry. More recently, the direct in situ formation of hydroxyapatite through reaction chemistries between calcium-rich matrices in stone, wall paintings, and bone, and ammonium phosphate precursors induced via a wet-chemistry route, has been explored as a potential inorganic mineral consolidant for cultural heritage artifacts. Building on previous studies, this research tests a new multi-step process to control the deposition, crystal formation and growth of HAP on archaeological bone, through the application of calcium hydroxide colloids, collagen, and diammonium phosphate precursors. Here we describe the step-by-step approach for the application of precursors, formation of HAP and the methods of evaluation based on the characterization of the chemistry and microstructure of pre-consolidated and consolidated bone, and the evaluation of optical and mechanical properties of consolidated samples.

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  • Authors: Karlsson, Jennie;

    This essay focuses on the disposal of archaeological material within archaeological fieldwork in Sweden. It explores how archaeological finds are valued and treated in the field with reference to current Swedish regulatory texts and guidelines, and seeks to identify aspects that – directly or indirectly – decide which material is disposed of in the field. Furthermore, it seeks to identify potential problems in the line of actions that ultimately results in the disposal of an archaeological find. The methodology used to investigate the questions asked is a combination of literary studies and a questionnaire composed of questions concerning the disposal of archaeological materials in the field sent out to field archaeologists working in western Sweden. The conclusion is that the disposal of archaeological material in the field is a complex topic, and that there are many aspects – including personal opinions, regional research traditions and varying sizes of examination budgets – that affect the disposal decisions.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Radicchi, Gerusa de Alkmim; Oliveira, Amanda Brabo de; Vieira Campos, Jéssica Catharine; Faria, Vitória Moisés;

    Conservation in the Laboratory of Antarctic Studies in Human Sciences at UFMG is divided into two groups of activities, those carried out in situ and those carried out in the laboratory. During the excavation fields in Antarctica, we apply curative and preventive interventions in order to mitigate the degradation factors that are active during excavation and the transfer to Brazil. After the arrival of the material excavated at LEACH, conservation activities continue through scientific documentation and storage. This article presents the development of conservation activities during the reception of archaeological material and discusses some theoretical and methodological principles related to decision making. Such measures are fundamental for the incorporation of the new collection in the laboratory. La Conservación en el Laboratorio de Estudios Antárticos en Ciencias Humanas de la UFMG se divide en dos grupos de actividades, las que se realizan in situ y las que se realizan en el laboratorio. Durante las campañas de excavación en la Antártida, aplicamos intervenciones curativas y preventivas con el fin de mitigar los factores de degradación que se encuentran activos durante el rescate y el traslado a Brasil. Una vez llegado el material excavado al LEACH, las actividades de conservación siguen por medio de la documentación científica y el acondicionamiento. Este trabajo presenta el desarrollo de las actividades de conservación durante la recepción del material arqueológico y discute algunos principios teóricos y metodológicos relacionados con la toma de decisión. Tales medidas son fundamentales para la incorporación de la nueva colección en el laboratorio. A conservação no Laboratório de Estudos Antárticos em Ciências Humanas da UFMG está dividida em dois grupos de atividades, as realizadas in situ e as realizadas no laboratório. Durante os campos de escavação na Antártica, aplicamos intervenções curativas e preventivas com o objetivo de mitigar os fatores de degradação atuantes durante o resgate e no traslado ao Brasil. Após a chegada do material escavado no LEACH, as atividades de conservação seguem por meio da documentação científica e do acondicionamento. Este artigo apresenta o desenvolvimento das atividades de conservação durante a recepção do material arqueológico e discute alguns princípios teóricos e metodológicos relacionados à tomada de decisão. Tais medidas são fundamentais para a incorporação do novo acervo no laboratório.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ LAReferencia - Red F...arrow_drop_down
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    Authors: Oliveira, Inês Costa de;

    Dissertação de Mestrado Integrado em Arquitetura apresentada à Faculdade de Ciências e Tecnologia Entre os séculos I e VI, ocorreu um momento próspero com a presença dos romanos junto à foz do rio Sado. Estabeleceram a cidade de Cetóbriga (Setúbal) e desenvolveram em Troia o que é, atualmente, o maior sítio arqueológico escavado com vestígios de um complexo romano de fabricação de conservas de peixe do mundo – o Sítio Arqueológico de Troia.A Península de Troia representa uma barreira entre o oceano atlântico e o rio Sado e, por sua vez, tem uma caldeira com 2.5 km de comprimento, que comunica com o estuário e está sujeita à influência das marés, que a enchem e esvaziam, deixando à mostra o sapal e os fundos lodosos. Este elemento atribui características especiais a esta paisagem com fauna e flora diversa.Na margem estuarina da península encontram-se diversas construções romanas expostas à ação direta e indireta de fatores naturais como as ondas, marés, vento e salinidade. Devido à ação conjugada do vento de quadrante norte, das marés e chuvas, os vestígios têm sofrido um efeito erosivo que os põe a descoberto e os destrói lentamente, o que faz com que o areal que o envolve esteja repleto de materiais soltos das ruínas – spolea. Esta realidade origina também um transporte de sedimentos que resulta num desgaste nas praias a norte da restinga e provoca mais erosão, transportando sedimentos para a zona mais interior do estuário.A presente dissertação tem por objetivo propor meios de preservação, proteção e valorização destes vestígios arqueológicos que se encontram na orla costeira da península. Pretende-se ainda estimular a preservação do conhecimento e da consciência coletiva do bem, através da proposta de um percurso de visita mais abrangente, que integra os valores paisagísticos, ambientais e arquitetónicos, com recurso a uma estratégia sustentável, não invasiva, reversível e com recurso a material e técnicas rudimentares e respeitadoras do ambiente. Assim, surgem diversos passadiços de madeira que simultaneamente aproximam as pessoas da natureza e permitem que as dunas sejam preservadas através do seu não pisoteio, articulando as áreas naturais e de uso não exclusivamente turístico e disponibilizando novos pontos de observação da envolvente, para que os visitantes do sítio possam vivenciar uma experiência mais rica e ilustrativa daquele complexo industrial. Os passadiços passam a representar um instrumento que possibilita o conhecimento do local, a observação da sua envolvente natural e a proteção dos vestígios arqueológicos, articulando os diversos ambientes naturais: as praias atlânticas, a caldeira e respetivas margens e a zona do estuário do Sado, com as suas margens e praias.Procura-se a valorização deste património através da preservação da sua memória. Between the 1st and 6th centuries, there was a prosperous moment with the presence of the Romans at the mouth of the river Sado. They established the city of Cetóbriga (Setúbal) and developed in Troia what is currently the largest archaeological site excavated with remains of a Roman complex for the manufacture of canned fish in the world – the Archaeological Site of Troia.The Troia Peninsula represents a barrier between the Atlantic Ocean and the Sado river and, in turn, has a caldera 2.5 km long, which communicates with the estuary and is subject to the influence of the tides, which fill and empty it, leaving it exposed the salt marsh and the muddy bottoms. This element attributes special characteristics to this landscape with diverse fauna and flora.On the estuary bank of the peninsula there are several Roman buildings exposed to the direct and indirect action of natural factors such as waves, tides, wind and salinity. Due to the combined action of the north wind, tides and rains, the remains have suffered an erosive effect that exposes them and slowly destroys them, which makes the sand that surrounds it to be full of loose materials from the ruins - spolea. This reality also causes a transport of sediments that results in wear on the beaches north of the restinga and causes more erosion, transporting sediments to the innermost part of the estuary.This dissertation aims to propose means of preservation, protection and enhancement of these archaeological remains that are found on the coastline of the peninsula. It is also intended to stimulate the preservation of knowledge and collective awareness of the good, through the proposal of a more comprehensive visit route, which integrates the landscape, environmental and architectural values, using a sustainable, non-invasive, reversible and with use of rudimentary and environmentally friendly material and techniques. Thus, there are several wooden walkways that simultaneously bring people closer to nature and allow the dunes to be preserved by not being trampled, articulating the natural areas and not exclusively for tourist use and providing new observation points of the surroundings, for visitors the site can experience a richer and more illustrative experience of that industrial complex. The walkways now represent an instrument that enables knowledge of the site, observation of its natural surroundings and protection of archaeological remains, articulating the various natural environments: the Atlantic beaches, the caldera and its banks and the Sado estuary area, with its shores and beaches.It seeks to enhance this heritage through the preservation of its memory.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Estudo Geralarrow_drop_down
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    Estudo Geral
    Master thesis . 2021
    Data sources: Estudo Geral
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      Estudo Geral
      Master thesis . 2021
      Data sources: Estudo Geral
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    Authors: Angelini, EMMA PAOLA MARIA VIRGINIA; Grassini, Sabrina; Peters, MANUEL JACQUES HELENA;
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    Authors: Michette, Martin; Breuninger, Tamara; Kilian, Ralf; Nickmann, Marion; +2 Authors

    AbstractThis paper presents a case study for the testing of locally available resources selected to form a clay barrier. This is a promising technique for protecting historic masonry from ground moisture intrusion. There are several historical precedents for the use of calcareous, clayey soils to form moisture resilient barriers in architecture. More recently, specialised bentonite mixtures have arrived on the market. Assessment protocols for suitable barrier material will help establish general codes and the potential for this technique to make use of locally available resources, either in their raw state or in mixtures. In this project, a variety of different geo-materials are collected from around Pompeii to test their suitability for use in a barrier installation on a tomb in the archaeological site. The methodology consists of laboratory tests used in the assessment of barrier material for landfill engineering, and rapid tests used in earth construction. A mixture of a calcareous clay and a sand produced barrier material with suitable properties. The methodology can form the basis of assessments elsewhere, to further develop the potential of using locally available geo-resources for conservation and construction projects.

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    Oxford University Research Archive
    Other literature type . 2023
    License: CC BY
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    Environmental Earth Sciences
    Article . 2023 . Peer-reviewed
    License: CC BY
    Data sources: Crossref
    Fraunhofer-ePrints
    Other literature type . 2023
    Data sources: Fraunhofer-ePrints
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      Oxford University Research Archive
      Other literature type . 2023
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      Environmental Earth Sciences
      Article . 2023 . Peer-reviewed
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      Other literature type . 2023
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    Authors: Armada, Xosé-Lois; Mañana-Borrazás, Patricia; Nicolau, Antoni; Porto Tenreiro, Yolanda; +1 Authors

    [ES] Cinco vidas, una historia ofrece una aproximación a la metalurgia y a los depósitos metálicos de la Edad del Bronce Final en la fachada atlántica europea (c. 1300-850 a.C.) partiendo de un conjunto de artefactos de la colección arqueológica de la Universidad de Santiago de Compostela. Este libro nos muestra que estos artefactos de bronce no solo nos abren una ventana a la Prehistoria, sino que también poseen una biografía reciente que resulta, en muchas ocasiones, igual o más reveladora. Tras su elaboración y uso hace unos 3.000 años, estos objetos fueron retirados de la circulación y enterrados formando acumulaciones de metal, un fenómeno que abarca amplias áreas del continente europeo y cuyo significado todavía constituye una incógnita. Recuperados a finales del siglo XIX, a menudo durante labores agrícolas, fueron a parar a manos de coleccionistas eruditos que, al final de sus vidas, decidieron donar sus colecciones a la universidad, donde siguen siendo estudiades y hoy forman parte de su acervo patrimonial. Hoy en día, las investigaciones lideradas desde el Instituto de Ciencias del Patrimonio del CSIC han permitido reconstruir esta apasionante historia y muestran que, tres milenios después, estos objetos tienen todavía mucho que contarnos. [GA] Cinco vidas, unha historia ofrece unha aproximación á metalurxia e aos depósitos metálicos da Idade do Bronce Final na fachada atlántica europea (c. 1300-850 a.C.) partindo dun conxunto de artefactos da colección arqueolóxica da Universidade de Santiago de Compostela. A exposición amósanos que estes artefactos de bronce non só nos abren unha ventá á Prehistoria, senón que tamén posúen unha biografía recente que resulta, en moitas ocasións, igual ou máis reveladora. Tras a súa elaboración e uso hai uns 3.000 anos, estes obxectos foron retirados da circulación e enterrados formando acumulacións de metal, un fenómeno que abarca amplas áreas do continente europeo e cuxo significado aínda constitúe unha incógnita. Recuperados a finais do século XIX, a miúdo durante labores agrícolas, foron parar ás mans de coleccionistas eruditos que, ao final das súas vidas, decidiron doar as súas coleccións á universidade, onde seguen a ser estudadas e hoxe forman parte do seu acervo patrimonial. Hoxe en día, as investigacións lideradas desde o Instituto de Ciencias do Patrimonio do CSIC permitiron reconstruír esta apaixonante historia e mostran que, tres milenios despois, estes obxectos teñen aínda moito que contarnos. [EN] Cinco vidas, una historia (Five lives, one history) offers an approach to Late Bronze Age metallurgy and metal hoards on the Atlantic façade of Europe (c. 1300-850 BC), based on an assemblage of archaeological artefacts from the University of Santiago de Compostela collection. This book shows us that these bronze artefacts not only open a window for us onto prehistory, but also have a recent biography that is often equally or even more revealing. Following their manufacture and use some 3,000 years ago, these objects were withdrawn from circulation and buried. They thus formed accumulations of metal, a widespread phenomenon across the European continent, the significance of which still eludes us. Discovered in the late 19th century, often during farm work, they ended up in the hands of erudite collectors who, at the end of their lives, decided to donate their collections to the university, where they are still being studied and today make up part of its heritage. Today, the research led by the CSIC Institute of Heritage Sciences has allowed us to reconstruct this exciting history and to show how, three millennia later, all these objects still have much to tell us. Esta publicación y la exposición que está en su origen son resultado del proyecto de investigación Innovación tecnolóxica, circulación do metal e artefactos metálicos de prestixio na Europa atlántica (s. XIII-I ANE) (IN607D 2016/004), desarrollado por el Incipit – CSIC y financiado por la Axencia Galega de Innovación (GAIN – Xunta de Galicia). Catálogo de la exposición con idéntico título, organizada por el Incipit – CSIC y cuyo montaje inicial tuvo lugar en el Pazo de Fonseca de Santiago de Compostela, los días 18 de julio a 31 de agosto de 2019. Editor científico: Xosé-Lois Armada. No

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Morezzi, Emanuele; Haj Ismail, Salah;
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    Publications Open Repository TOrino
    Part of book or chapter of book . 2020
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    Publications Open Repository TOrino
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      Publications Open Repository TOrino
      Part of book or chapter of book . 2020
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      Publications Open Repository TOrino
      Part of book or chapter of book . 2020
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    Authors: Maria Paola Bracciale; Lorena Capasso; Fabrizio Sarasini; Jacopo Tirillò; +1 Authors

    In recent years, fluoropolymers have found numerous applications in the architectural field because of their combination of mechanical-chemical resistance and high transparency. In the present work, commercial fluorinated polymers, such as perfluoro alkoxy (PFA) and ethylene tetrafluoroethylene copolymer (ETFE), have been evaluated for use as protective and transparent layers on monumental and archaeological sites (to preserve mosaics or frescoes) during the phases of restoration or maintenance outdoors. Considering this specific application, the present study was developed by evaluating the evolution of the mechanical (tensile, tear propagation resistance, and low-velocity impact tests) and chemical (FTIR and DSC analysis) properties of the films after accelerated UV aging. The results that were obtained demonstrated the high resistance capacity of the ETFE, which exhibits considerably higher elastic modulus and critical tear energy values than PFA films (1075.38 MPa and 131.70 N/mm for ETFE; 625.48 MPa and 59.06 N/mm for PFA). After aging, the samples exhibited only a slight reduction of about 5% in the elastic modulus for both polymers and 10% in the critical tear energy values for PFA. Furthermore, the differences in impact resistance after aging were limited for both polymers; however, the ETFE film showed higher peak force than the PFA films (82.95 N and 42.22 N, respectively). The results obtained demonstrated the high resistance capacity of ETFE films, making them the most suitable candidate for the considered application.

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    Polymers
    Other literature type . Article . 2022 . Peer-reviewed
    License: CC BY
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    Polymers
    Article . 2022
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    Polymers
    Article
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      Polymers
      Other literature type . Article . 2022 . Peer-reviewed
      License: CC BY
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      Polymers
      Article . 2022
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      Polymers
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  • Authors: Lagerberg, Julia;

    Rust or dry out? Objects made of iron and wood require different conservation conditions. Iron needs an RH, lower than 18% so as not to rust while wood wants as much as an RH of 50% so as not to dry out. Will a compromise on an RH of 30% be used at an exhibition, so that as much as possible of the object can be protected for the future even if the object will be destroyed over time? Techniques, chemicals and storage that are applied to one material can break down the other, causing problems with preservation. PEG impregnation, which is a good treatment for degraded wood, has a PH value of 4 and iron rusts at a PH of less than 9. One possibility is to add an inhibitor to the PEG solution, which increases the PH value, possibly overlay the iron part so that it does not come into contact with the PEG solution and then freeze-dry the object. By finally treating the iron with a rust protection, an RH that applies to wood can be applied. Another conceivable feature is choosing which material to keep. Can ICOM's professional ethics rules then be applied practically to these objects, for example in terms of ethics, minimum possible action and reversibility? Uppsats för avläggande av filosofie kandidatexamen i Kulturvård, Konservatorprogrammet 15 hp Institutionen för kulturvård Göteborgs universitet 2019:19

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    Authors: Jenkins, Skyler;

    Bioapatite or hydroxyapatite (HAP) is a biocomposite and the main component of hard tissues such as bones and teeth. Owing to its unique physical and chemical properties, synthetically produced hydroxyapatite has found extensive applications in medicine and dentistry. More recently, the direct in situ formation of hydroxyapatite through reaction chemistries between calcium-rich matrices in stone, wall paintings, and bone, and ammonium phosphate precursors induced via a wet-chemistry route, has been explored as a potential inorganic mineral consolidant for cultural heritage artifacts. Building on previous studies, this research tests a new multi-step process to control the deposition, crystal formation and growth of HAP on archaeological bone, through the application of calcium hydroxide colloids, collagen, and diammonium phosphate precursors. Here we describe the step-by-step approach for the application of precursors, formation of HAP and the methods of evaluation based on the characterization of the chemistry and microstructure of pre-consolidated and consolidated bone, and the evaluation of optical and mechanical properties of consolidated samples.

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  • Authors: Karlsson, Jennie;

    This essay focuses on the disposal of archaeological material within archaeological fieldwork in Sweden. It explores how archaeological finds are valued and treated in the field with reference to current Swedish regulatory texts and guidelines, and seeks to identify aspects that – directly or indirectly – decide which material is disposed of in the field. Furthermore, it seeks to identify potential problems in the line of actions that ultimately results in the disposal of an archaeological find. The methodology used to investigate the questions asked is a combination of literary studies and a questionnaire composed of questions concerning the disposal of archaeological materials in the field sent out to field archaeologists working in western Sweden. The conclusion is that the disposal of archaeological material in the field is a complex topic, and that there are many aspects – including personal opinions, regional research traditions and varying sizes of examination budgets – that affect the disposal decisions.

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    Authors: Radicchi, Gerusa de Alkmim; Oliveira, Amanda Brabo de; Vieira Campos, Jéssica Catharine; Faria, Vitória Moisés;

    Conservation in the Laboratory of Antarctic Studies in Human Sciences at UFMG is divided into two groups of activities, those carried out in situ and those carried out in the laboratory. During the excavation fields in Antarctica, we apply curative and preventive interventions in order to mitigate the degradation factors that are active during excavation and the transfer to Brazil. After the arrival of the material excavated at LEACH, conservation activities continue through scientific documentation and storage. This article presents the development of conservation activities during the reception of archaeological material and discusses some theoretical and methodological principles related to decision making. Such measures are fundamental for the incorporation of the new collection in the laboratory. La Conservación en el Laboratorio de Estudios Antárticos en Ciencias Humanas de la UFMG se divide en dos grupos de actividades, las que se realizan in situ y las que se realizan en el laboratorio. Durante las campañas de excavación en la Antártida, aplicamos intervenciones curativas y preventivas con el fin de mitigar los factores de degradación que se encuentran activos durante el rescate y el traslado a Brasil. Una vez llegado el material excavado al LEACH, las actividades de conservación siguen por medio de la documentación científica y el acondicionamiento. Este trabajo presenta el desarrollo de las actividades de conservación durante la recepción del material arqueológico y discute algunos principios teóricos y metodológicos relacionados con la toma de decisión. Tales medidas son fundamentales para la incorporación de la nueva colección en el laboratorio. A conservação no Laboratório de Estudos Antárticos em Ciências Humanas da UFMG está dividida em dois grupos de atividades, as realizadas in situ e as realizadas no laboratório. Durante os campos de escavação na Antártica, aplicamos intervenções curativas e preventivas com o objetivo de mitigar os fatores de degradação atuantes durante o resgate e no traslado ao Brasil. Após a chegada do material escavado no LEACH, as atividades de conservação seguem por meio da documentação científica e do acondicionamento. Este artigo apresenta o desenvolvimento das atividades de conservação durante a recepção do material arqueológico e discute alguns princípios teóricos e metodológicos relacionados à tomada de decisão. Tais medidas são fundamentais para a incorporação do novo acervo no laboratório.

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    Authors: Oliveira, Inês Costa de;

    Dissertação de Mestrado Integrado em Arquitetura apresentada à Faculdade de Ciências e Tecnologia Entre os séculos I e VI, ocorreu um momento próspero com a presença dos romanos junto à foz do rio Sado. Estabeleceram a cidade de Cetóbriga (Setúbal) e desenvolveram em Troia o que é, atualmente, o maior sítio arqueológico escavado com vestígios de um complexo romano de fabricação de conservas de peixe do mundo – o Sítio Arqueológico de Troia.A Península de Troia representa uma barreira entre o oceano atlântico e o rio Sado e, por sua vez, tem uma caldeira com 2.5 km de comprimento, que comunica com o estuário e está sujeita à influência das marés, que a enchem e esvaziam, deixando à mostra o sapal e os fundos lodosos. Este elemento atribui características especiais a esta paisagem com fauna e flora diversa.Na margem estuarina da península encontram-se diversas construções romanas expostas à ação direta e indireta de fatores naturais como as ondas, marés, vento e salinidade. Devido à ação conjugada do vento de quadrante norte, das marés e chuvas, os vestígios têm sofrido um efeito erosivo que os põe a descoberto e os destrói lentamente, o que faz com que o areal que o envolve esteja repleto de materiais soltos das ruínas – spolea. Esta realidade origina também um transporte de sedimentos que resulta num desgaste nas praias a norte da restinga e provoca mais erosão, transportando sedimentos para a zona mais interior do estuário.A presente dissertação tem por objetivo propor meios de preservação, proteção e valorização destes vestígios arqueológicos que se encontram na orla costeira da península. Pretende-se ainda estimular a preservação do conhecimento e da consciência coletiva do bem, através da proposta de um percurso de visita mais abrangente, que integra os valores paisagísticos, ambientais e arquitetónicos, com recurso a uma estratégia sustentável, não invasiva, reversível e com recurso a material e técnicas rudimentares e respeitadoras do ambiente. Assim, surgem diversos passadiços de madeira que simultaneamente aproximam as pessoas da natureza e permitem que as dunas sejam preservadas através do seu não pisoteio, articulando as áreas naturais e de uso não exclusivamente turístico e disponibilizando novos pontos de observação da envolvente, para que os visitantes do sítio possam vivenciar uma experiência mais rica e ilustrativa daquele complexo industrial. Os passadiços passam a representar um instrumento que possibilita o conhecimento do local, a observação da sua envolvente natural e a proteção dos vestígios arqueológicos, articulando os diversos ambientes naturais: as praias atlânticas, a caldeira e respetivas margens e a zona do estuário do Sado, com as suas margens e praias.Procura-se a valorização deste património através da preservação da sua memória. Between the 1st and 6th centuries, there was a prosperous moment with the presence of the Romans at the mouth of the river Sado. They established the city of Cetóbriga (Setúbal) and developed in Troia what is currently the largest archaeological site excavated with remains of a Roman complex for the manufacture of canned fish in the world – the Archaeological Site of Troia.The Troia Peninsula represents a barrier between the Atlantic Ocean and the Sado river and, in turn, has a caldera 2.5 km long, which communicates with the estuary and is subject to the influence of the tides, which fill and empty it, leaving it exposed the salt marsh and the muddy bottoms. This element attributes special characteristics to this landscape with diverse fauna and flora.On the estuary bank of the peninsula there are several Roman buildings exposed to the direct and indirect action of natural factors such as waves, tides, wind and salinity. Due to the combined action of the north wind, tides and rains, the remains have suffered an erosive effect that exposes them and slowly destroys them, which makes the sand that surrounds it to be full of loose materials from the ruins - spolea. This reality also causes a transport of sediments that results in wear on the beaches north of the restinga and causes more erosion, transporting sediments to the innermost part of the estuary.This dissertation aims to propose means of preservation, protection and enhancement of these archaeological remains that are found on the coastline of the peninsula. It is also intended to stimulate the preservation of knowledge and collective awareness of the good, through the proposal of a more comprehensive visit route, which integrates the landscape, environmental and architectural values, using a sustainable, non-invasive, reversible and with use of rudimentary and environmentally friendly material and techniques. Thus, there are several wooden walkways that simultaneously bring people closer to nature and allow the dunes to be preserved by not being trampled, articulating the natural areas and not exclusively for tourist use and providing new observation points of the surroundings, for visitors the site can experience a richer and more illustrative experience of that industrial complex. The walkways now represent an instrument that enables knowledge of the site, observation of its natural surroundings and protection of archaeological remains, articulating the various natural environments: the Atlantic beaches, the caldera and its banks and the Sado estuary area, with its shores and beaches.It seeks to enhance this heritage through the preservation of its memory.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Estudo Geralarrow_drop_down
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    Estudo Geral
    Master thesis . 2021
    Data sources: Estudo Geral
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      Estudo Geral
      Master thesis . 2021
      Data sources: Estudo Geral