Influence of plastic deformation on creep behaviour of NiMoCr alloy

被引：0
|
作者：
Kvackaj, T [1 ]
Zrnik, J [1 ]
Vrchovinsky, V [1 ]
Wangyao, P [1 ]
机构：
[1] Tech Univ Kosice, Fac Met, Kosice 04200, Slovakia
来源：
HIGH TEMPERATURE MATERIALS AND PROCESSES | 2003年 / 22卷 / 01期
关键词：
solid solution strengthened alloy; hot rolling; cold rolling; recrystallization; creep; failure;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Creep behaviour of nickel-base solid solution strengthened NiMoCr alloy after different applied hot and cold rolling conditions was investigated. The results of creep tests showed that the creep characteristics including strain rate, fracture strain, and lifetime were greatly dependent on the plastic deformation conditions carried out prior to the creep. Failure process including crack nucleation and crack propagation was strongly dependent on grain size. Fine recrystallized structures have provided much less resistance to creep deformation compared to coarse grain size. A comprehensive study of creep deformation as a function of plastic deformation conditions of NiMoCr alloy is also presented.
引用
收藏
页码：57 / 62
页数：6
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