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author:

刘于昌 (刘于昌.) [1] | 黄晓巍 (黄晓巍.) [2] (Scholars:黄晓巍)

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CQVIP PKU CSCD

Abstract:

研究了CuO+TiO2复相添加剂对Al2O3陶瓷烧结性能、显微结构的影响以及添加剂形成液相时Al2O3陶瓷的烧结动力学.结果显示:添加剂的加入明显地促进了Al2O3陶瓷的烧结致密度.添加剂含量对致密有明显影响,含量越高,烧结速率越快.当添加剂(CuO+TiO2)为2%(质量分数),CuO/TiO2质量比为1/2时,Al2O3样品致密度最高.添加剂的存在使Al2O3晶粒发生较快生长,晶粒形貌为等轴状.通过等温烧结动力学,确定掺杂Al2O3陶瓷烧结激活能为25.2kJ/mol,表明可能是氧离子和铝离子在液相中的扩散作用控制了烧结过程.

Keyword:

显微结构 氧化铝 液相烧结 烧结动力学 烧结性能

Community:

  • [ 1 ] [刘于昌]福州大学
  • [ 2 ] [黄晓巍]福州大学

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Source :

硅酸盐学报

ISSN: 0454-5648

CN: 11-2310/TQ

Year: 2006

Issue: 6

Volume: 34

Page: 647-651

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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