EFFECTS OF NEUTRON-IRRADIATION ON PHYSICAL AND MECHANICAL-PROPERTIES OF MO-RE ALLOYS

被引：2
|
作者：
FABRITSIEV, SA
GOSUDARENKOVA, VA
POTAPOVA, VA
RYBIN, VV
KOSACHEV, LS
CHAKIN, VP
POKROVSKY, AS
BARABASH, VR
机构：
[1] VI LENIN ATOM REACTORS RES INST,DIMITROVGRAD 433510,USSR
[2] DV EFREMOV ELECTROPHYS APPARATUS INST,ST PETERSBURG 189631,USSR
来源：
JOURNAL OF NUCLEAR MATERIALS | 1992年 / 191卷
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of neutron irradiation on mechanical strength, plasticity and electric conductivity of Mo-Re alloys are presented. Pure Mo and Mo-0.5%Re to Mo-30%Re alloys were studied. Samples were irradiated in the reactor SM-2 (phi approximately 5 X 10(21) n/cm2, T(irr) approximately 240-330-degrees-C). Irradiation at 300-degrees-C indicates that the radiation embrittlement results in reduced strength and ductility characteristics of Mo-Re alloys. Measurement of electric resistance shows that low-temperature irradiation of Mo-alloys results in 20-30% reduced conductivity. SEM studies of fracture surfaces show that after irradiation brittle intergranular fracture takes places that correlates with an abrupt reduction of strength.
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页码：426 / 429
页数：4
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