摘要
研究了等原子比 ＮｉＡｌ合金和 ＮｉＡｌ－２５Ｃｒ， ＮｉＡｌ－２０．４Ｆｅ－Ｙ，Ｃｅ， ＮｉＡｌ－３０Ｆｅ－Ｙ合金的超塑性行为及其变形机制结果表明，几种合金在一定条件下均表现出超塑性行为单相ＮｉＡｌ超塑性变形源于变形过程中所发生的动态回复及再结晶，两相及多相
The superplastic behavior and mechanism of stoichiometric NiAl and its alloys of NiAl25Cr, NiAl-20.4Fe-Y.Ce, NiAl-30Fe-Y are systematically investigated in this paper. The results showed that all these alloys exhibit superplastic behavior in certain conditions, superplastic deformation of single phase NiAl arises from dynamic recovery and recrystallization. It is suggested that the superplastic deforming mechanism of duplex and multi-phase NiAl alloys is due to rotating of grains and sliding of boundaries.
出处
《材料研究学报》
EI
CAS
CSCD
北大核心
2001年第1期97-104,共8页
Chinese Journal of Materials Research
基金
八六三计划新材料领域!863-715-005-0030
国家自然科学基金!59801010
国家自然科学重大基金! 598951
