Al//2O//3-ZrO//2 CERAMICS PREPARED FROM CVD POWDERS.

Saburo Hori, Masahiro Yoshimura, Shigeyuki Somiya, Ryoichi Takahashi

研究成果: Conference contribution

20 引文 斯高帕斯(Scopus)

摘要

The densification and tetragonal (t)-ZrO//2 content of sintered Al//2O//3-ZrO//2 ceramics were studied by starting from CVD ZrO//2 powder mixed with various Al//2O//3 powders, including CVD Al//2O//3, or from CV codeposited Al//2O//3-ZrO//2 powder. Strong dependence of t-ZrO//2 content on sintering temperature and on weight percent ZrO//2 in Al//2O//3-ZrO//2 ceramics suggested the importance of the ZrO//2 dispersion and grain-growth control for achieving higher t-ZrO//2 content. Comparisons of t-ZrO//2 contents measured on sintered and fractured surfaces indicated that the transformation-zone thicknesses on fracture were very large (4. 5-7. 8 mu m) with specimens prepared from CVD Al//2O//3 plus CVD ZrO//2 or from CV codeposited Al//2O//3-ZrO//2 probably due to extensive microcrack formation.

原文English
主出版物標題Advances in Ceramics
編輯Nils Claussen, Manfred Ruehle, Arthur Harold Heuer
發行者American Ceramic Soc Inc
頁面794-805
頁數12
ISBN(列印)0916094642
出版狀態Published - 1984

出版系列

名字Advances in Ceramics
12
ISSN(列印)0730-9546

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

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