Embrittlement of low-alloyed steels due to impurity segregation at intergranular boundaries

被引：9
|
作者：
Nikoalev, YA [1 ]
Nikoaleva, AV [1 ]
机构：
[1] RUSSIAN ACAD SCI,NUCL SAFETY INST,MOSCOW 113191,RUSSIA
来源：
INTERGRANULAR AND INTERPHASE BOUNDARIES IN MATERIALS, PT 2 | 1996年 / 207-卷
关键词：
grain boundaries; radiation-induced segregation;
D O I：
10.4028/www.scientific.net/MSF.207-209.653
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The contribution of grain boundary segregation of impurities to embrittlement of reactor pressure vessel materials under irradiation and special heat treatments is discussed. Possible mechanisms of impurities and alloying elements effect on irradiation embrittlement of reactor pressure vessel steels are considered. Nickel has been found to affect significantly the tendency to irradiation embrittlement of Ni-alloyed steels. The model for irradiation-induced enrichment of grain boundaries by impurities is used in order to explain the nickel effect on irradiation embrittlement.
引用
收藏
页码：653 / 656
页数：4
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