Radiation embrittlement of low-alloyed Mo alloys

被引：11
|
作者：
Chakin, V
Kazakov, V
机构：
[1] Stt. Sci. Ctr. of Russian Federation, Res. Institute of Atomic Reactors
来源：
JOURNAL OF NUCLEAR MATERIALS | 1996年 / 233卷
关键词：
D O I：
10.1016/S0022-3115(96)00287-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of irradiation in the BOR-60 reactor at 250-1020 degrees C up to fluences 0.013-7.6 x 10(26) n/m(2) (E > 0.1 MeV) on the mechanical properties of a number of low-alloyed Mo alloys has been studied. Zr, Ti, Ru, B, C were used as alloying elements. Significant radiation strengthening and embrittlement of all the allays investigated took place during the course of irradiation. According to tension lest results, the brittle-ductile transition temperature, T-k, was 600-700 degrees C. Under comparable irradiation conditions, alloying had no substantial effect on the extent of irradiation embrittlement, since it did not prevent the radiation defect formation causing strengthening and, therefore, embrittlement. It was assumed that improvement of the Mo radiation resistance could be only obtained by high alloying with such elements as rhenium.
引用
收藏
页码：570 / 572
页数：3
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