Argamassas com incorporação direta de Materiais de Mudança de Fase: Avaliação do comportamento a baixas e elevadas temperaturas Article Swipe
Sandra Cunha
,
Marisa Silva
,
J. L. Barroso de Aguiar
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1590/s1517-707620210003.13010
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1590/s1517-707620210003.13010
RESUMO Atualmente, é necessário estudar soluções construtivas com bom comportamento a baixas e elevadas temperaturas, ou seja que as argamassas não percam totalmente a sua resistência quando sujeitas a temperaturas diferentes e mais exigentes do que as temperaturas de operação. No que diz respeito ao conhecimento das capacidades de armazenamento térmico dos materiais de mudança de fase (PCM), foram desenvolvidas quatro composições distintas baseadas em cimento e cinzas volantes, nas quais foram incorporados diretamente diferentes teores de PCM não encapsulado (0%, 5%, 10% e 20%). Estas composições foram testadas a baixas e elevadas temperaturas (-18ºC, 20ºC, 200ºC, 400ºC e 600ºC), através de ensaios de gelo-degelo e ensaios de compressão e flexão. Foi possível concluir que a incorporação de PCM não encapsulado originou uma melhoria do comportamento a baixas temperaturas, mantendo um comportamento idêntico ao das argamassas de referência quando submetidas a elevadas temperaturas.
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Argamassas com incorporação direta de Materiais de Mudança de Fase: Avaliação do comportamento a baixas e elevadas temperaturasWork title
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articleOpenAlex work type
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ptPrimary language
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2021Year of publication
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2021-01-01Full publication date if available
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Sandra Cunha, Marisa Silva, J. L. Barroso de AguiarList of authors in order
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https://doi.org/10.1590/s1517-707620210003.13010Publisher landing page
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https://www.scielo.br/j/rmat/a/bNQRqjMB36zLcTzLpyJnPYL/?lang=pt&format=pdfDirect link to full text PDF
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YesWhether a free full text is available
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diamondOpen access status per OpenAlex
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https://www.scielo.br/j/rmat/a/bNQRqjMB36zLcTzLpyJnPYL/?lang=pt&format=pdfDirect OA link when available
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Humanities, Physics, ArtTop concepts (fields/topics) attached by OpenAlex
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