The effect of low-dose neutron irradiation on mechanical properties, electrical resistivity and fracture of NiAl bronze for ITER

被引：11
作者：
Barabash, V.
Pokrovsk, A.
Fabritsiev, S.
机构：
[1] ITER Int Team, D-85748 Garching, Germany
[2] Sci Res Inst Atom Reactors, Dimitrovgrad 433510, Russia
[3] EV Efremov Sci Res Inst, St Petersburg 196641, Russia
来源：
JOURNAL OF NUCLEAR MATERIALS | 2007年 / 367卷
关键词：
D O I：
10.1016/j.jnucmat.2007.03.262
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nickel-aluminum bronze is a candidate material for several applications for ITER in-vessel components such as divertor and blanket attachments and remote handling equipment. This paper presents the first results of an experimental investigation of the effect of neutron irradiation on mechanical properties, fracture characteristics and electrical resistivity of NiAl bronze. Specimens of NiAl bronze were irradiated at 150 degrees C and 300 degrees C to doses of 10(-3); 10(-2); 0.7 * 10(-1) dpa in the RBT-6 reactor (phi t(therm)/phi t(fast) similar to 1) in Dimitrovgrad. It was shown that irradiation at 150 degrees C leads to minor changes of tensile properties, whereas irradiation at 300 degrees C results in significant loss of ductility at damage dose of 0.07 dpa. The change of electrical resistively of NiAl bronze is low, approximate to 3% at the maximum dose studied. The reasons for the high-radiation resistance of NiAl bronze in comparison with copper and copper alloys are discussed. (c) 2007 Elsevier B.V. All rights reserved.
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收藏
页码：1305 / 1311
页数：7
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