FGH95镍基高温合金粉末中的夹杂及其对合金疲劳性能的影响  

INCLUSION IN POWDER OF NICKLE BASE SUPERALLOY FGH95 AND THE EFFECT ON LCF OF THE SUPERALLOY

作　　者：国为民[1] 吴剑涛[1] 张凤戈[1] 陈淦生[1] 

机构地区：[1]钢铁研究总院,高温材料所北京100081

出　　处：《粉末冶金工业》2000年第3期23-28,共6页Powder Metallurgy Industry

摘　　要：本文系统研究了FGH95粉末高温合金的原始粉末和粉末处理过程中夹杂的性质 (成分、分类和形貌 )以及夹杂对材料低周疲劳性能的影响 ,建立了夹杂的位置和尺寸与LCF性能的关系曲线。The original powder of FGH95 and inclusion characters in processing including composition classification and morphology are investigated systematically.Effect of inclusion on LCF is also studied.The relation curves of inclusion site and size vs LCF are given.

关 键 词：FGH95粉末高温合金 低周疲劳性能 夹杂缺陷 

分 类 号：TF123[冶金工程—粉末冶金]