Self-monitoring of fracture and strain in titanium carbide reinforced silicon nitride ceramics

被引：0
|
作者：
H. L. Wang
J. B. Li
J. F. Liu
Y. Li
机构：
[1] Tsinghua University,State Key Lab of New Ceramics and Fine Processing
[2] Tsinghua University,State Key Lab of New Ceramics and Fine Processing
来源：
Journal of Materials Science | 2000年 / 35卷
关键词：
Polymer; Silicon; Titanium; Carbide; Electrical Conductivity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Si3N4 Ceramic Composites with TiC powder have been fabricated by gas-pressure sintering and their electrical conductivity has been investigated. The ceramic composites with different electrical resistivity consist of Si3N4 powder as an insulating matrix, and TiC as electrically conductive additive. Under tensile loading or compressive unloading, the ΔR/R of TiC/Si3N4 composites reversibly increased. Under compressive loading, the ΔR/R decreased gradually with the increasing of loading up to fracture. The results suggest the possibility of self-monitoring fractures and strains in the composites under tensile and compressive loading.
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页码：609 / 612
页数：3
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