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AbstractAbstract
[en] The influence of small concentrations of silica on the mechanical behavior of sintered high-alumina ceramics submitted to thermal shock in water was investigated. The theoretical predictions about the upgrading effects of this second phase were in good agreement with the experimental data. The recovery of damage induced by thermal shock was also studied by annealing the samples in the temperature range 8000-16000C. (Author)
[pt]
A influencia de pequenas concentracoes de silica sobre o comportamento mecanico de ceramicas de alto teor de alumina submetidas a choque termico em agua foi investigado. As previsoes teoricas sobre o efeito benefico da presenca desta segunda fase foram satisfatoriamente comprovadas pelos resultados experimentais. Foi investigada tambem a recuperacao dos danos introduzidos por choque termico atraves de tratamentos termicos em uma faixa de temperaturas entre 8000C e 16000C. (Autor)Original Title
Estudo sobre os danos provocados por choque termico e sua recuperacao em ceramicos de alto teor de alumina
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1982; 13 p; 5. Brazilian Congress on Materials Science and Engineering; Porto Alegre, RS (Brazil); 13-15 Dec 1982
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Miscellaneous
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Conference
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