热等静压氮化硅HIP-Si_3N_4试件断裂韧性测试方法  

Manufacture of hot isostatic pressured silicon nitrided ceramics specimen an d property test

作　　者：刘更谦[1] 石维佳[1] 赵文英[1] 王金刚[1] 

机构地区：[1]河北工业大学,天津300130

出　　处：《机械设计与制造》2005年第7期122-124,共3页Machinery Design & Manufacture

摘　　要：热等静压氮化硅(HotIsostaticPressuredsiliconnitridedceramics),一种新型工程陶瓷,作为耐高温、抗腐蚀复合材料,这里简述了陶瓷材料的断裂理论及韧性测试的意义。介绍了直接压痕法、弯曲压痕强度法等几种韧性测试方法。Hot Isostatic Pressured silicon nitrided ceramics,one of the h ig h- tech engineering ceramics used as hybrid materials friction pairs of high- temperature and corrosion resistance,the fracture mechanism of ceramics and sig nificance for toughness test of the material are discussed.The method of toughne ss test such as Direct Crack Measurement and Indentation Strength by Bending etc .are also introduced.

关 键 词：热等静压 氮化硅 陶瓷 韧性 压痕 

分 类 号：TH16[机械工程—机械制造及自动化]