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细分散ZrO2的增韧作用及其在Si3N4中的应用
THE TOUGHENING EFFECT OF FINELY DISPERSED ZrO2 AND ITS APPLICATION TO Si3N4 MATERIALS
【摘要】 本文介绍了ZrO2(t)(?)ZrO2(m)的马氏体相变特性及其在陶瓷基质中的相变热力学,归纳了含细分散ZrO2相的陶瓷增韧机理以及Si3N4-ZrO2系统的研究现状,讨论了利用ZrO2的相变特性增韧Si3N4中的困难所在及共可能的解决途径。
【Abstract】 This paper introduces the characters of the martensitie phase transformation of ZrO2, ZrO2(t)(?)ZrO2(m), and its thermodynamics in ceramic matrix, summaries the toughening mechanisms of ceramics containing dispersed ZrO2 and sLate-of-art in the study of Si3N4-ZrO2 system, and discusses the difficulties in the toughening of Si3N4 ceramics by means of phase transformation of ZrO2 and some possible approaches to solve these problems.
- 【文献出处】 硅酸盐学报 ,Journal of The Chinese Ceramic Society , 编辑部邮箱 ,1985年03期
- 【被引频次】11
- 【下载频次】60