Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC

Detalhes bibliográficos
Autor(a) principal: MELLO, R.M.
Data de Publicação: 2017
Outros Autores: BRESSIANI, A.H.A., CONGRESSO BRASILEIRO DE CERAMICA, 60.
Tipo de documento: Artigo de conferência
Título da fonte: Repositório Institucional do IPEN
Texto Completo: http://repositorio.ipen.br/handle/123456789/27307
Resumo: The aim of this study is to analyze the influence of microstructure on thermal shock resistance of liquid phase sintered SiC, as this is a very required property in various technological applications. The microstructure can influence the thermal shock resistance because large grains tend to generate toughening mechanisms, reducing damage to the material. For this analysis, samples with 90 % SiC 10 % + (Y2O3:Al2O3) in the proportions 1: 3 and 1: 4 mole, were compacted and sintered at 1750 ?? C , 1850 ?? C and 1950 ?? C. The thermal shock was performed by heating the sample in a tubular furnace and quenched in water. Damages caused by thermal shock were evaluated by monitoring the elastic modulus of samples. Micrographs were done by electron microscope and grain size distribution at Quantikov software. The samples sintered at 1950 ??C have greater grain size and, consequently, greater thermal shock resistance.
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spelling 2017-03-24T10:47:50Z2017-03-24T10:47:50Z15-18 de maio, 2016http://repositorio.ipen.br/handle/123456789/27307The aim of this study is to analyze the influence of microstructure on thermal shock resistance of liquid phase sintered SiC, as this is a very required property in various technological applications. The microstructure can influence the thermal shock resistance because large grains tend to generate toughening mechanisms, reducing damage to the material. For this analysis, samples with 90 % SiC 10 % + (Y2O3:Al2O3) in the proportions 1: 3 and 1: 4 mole, were compacted and sintered at 1750 ?? C , 1850 ?? C and 1950 ?? C. The thermal shock was performed by heating the sample in a tubular furnace and quenched in water. Damages caused by thermal shock were evaluated by monitoring the elastic modulus of samples. Micrographs were done by electron microscope and grain size distribution at Quantikov software. The samples sintered at 1950 ??C have greater grain size and, consequently, greater thermal shock resistance.Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2017-03-24T10:47:50Z No. of bitstreams: 1 23963.pdf: 1126756 bytes, checksum: 4f5c8e3ed82c446331fb54b4da0bde9a (MD5)Made available in DSpace on 2017-03-24T10:47:50Z (GMT). No. of bitstreams: 1 23963.pdf: 1126756 bytes, checksum: 4f5c8e3ed82c446331fb54b4da0bde9a (MD5)1153-1164Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SICInfluence of microstructure on resistance to thermal shock of SICinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectCBCN??guas de Lind??ia, SPMELLO, R.M.BRESSIANI, A.H.A.CONGRESSO BRASILEIRO DE CERAMICA, 60.info:eu-repo/semantics/openAccessreponame:Repositório Institucional do IPENinstname:Instituto de Pesquisas Energéticas e Nucleares (IPEN)instacron:IPEN239632016MELLO, R.M.BRESSIANI, A.H.A.17-03Anais385096MELLO, R.M.:3850:-1:SBRESSIANI, A.H.A.:96:-1:NORIGINAL23963.pdf23963.pdfapplication/pdf1126756http://repositorio.ipen.br/bitstream/123456789/27307/1/23963.pdf4f5c8e3ed82c446331fb54b4da0bde9aMD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81748http://repositorio.ipen.br/bitstream/123456789/27307/2/license.txt8a4605be74aa9ea9d79846c1fba20a33MD52123456789/273072017-03-24 10:47:50.965oai:repositorio.ipen.br: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Repositório InstitucionalPUBhttp://repositorio.ipen.br/oai/requestbibl@ipen.bropendoar:45102017-03-24T10:47:50Repositório Institucional do IPEN - Instituto de Pesquisas Energéticas e Nucleares (IPEN)false
dc.title.pt_BR.fl_str_mv Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC
dc.title.alternative.pt_BR.fl_str_mv Influence of microstructure on resistance to thermal shock of SIC
title Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC
spellingShingle Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC
MELLO, R.M.
title_short Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC
title_full Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC
title_fullStr Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC
title_full_unstemmed Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC
title_sort Influ??ncia da microestrutura na resist??ncia ao choque t??rmico do SIC
author MELLO, R.M.
author_facet MELLO, R.M.
BRESSIANI, A.H.A.
CONGRESSO BRASILEIRO DE CERAMICA, 60.
author_role author
author2 BRESSIANI, A.H.A.
CONGRESSO BRASILEIRO DE CERAMICA, 60.
author2_role author
author
dc.contributor.author.fl_str_mv MELLO, R.M.
BRESSIANI, A.H.A.
CONGRESSO BRASILEIRO DE CERAMICA, 60.
description The aim of this study is to analyze the influence of microstructure on thermal shock resistance of liquid phase sintered SiC, as this is a very required property in various technological applications. The microstructure can influence the thermal shock resistance because large grains tend to generate toughening mechanisms, reducing damage to the material. For this analysis, samples with 90 % SiC 10 % + (Y2O3:Al2O3) in the proportions 1: 3 and 1: 4 mole, were compacted and sintered at 1750 ?? C , 1850 ?? C and 1950 ?? C. The thermal shock was performed by heating the sample in a tubular furnace and quenched in water. Damages caused by thermal shock were evaluated by monitoring the elastic modulus of samples. Micrographs were done by electron microscope and grain size distribution at Quantikov software. The samples sintered at 1950 ??C have greater grain size and, consequently, greater thermal shock resistance.
publishDate 2017
dc.date.evento.pt_BR.fl_str_mv 15-18 de maio, 2016
dc.date.accessioned.fl_str_mv 2017-03-24T10:47:50Z
dc.date.available.fl_str_mv 2017-03-24T10:47:50Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.uri.fl_str_mv http://repositorio.ipen.br/handle/123456789/27307
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dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.format.none.fl_str_mv 1153-1164
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