Temperature dependence of the deformation behavior of type 316 stainless steel after low temperature neutron irradiation

被引：15

作者：

Robertson, JP ^{[1
]}

Ioka, I ^{[1
]}

Rowcliffe, AF ^{[1
]}

Grossbeck, ML ^{[1
]}

Jitsukawa, S ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Div Met & Ceram, Oak Ridge, TN 37831 USA

来源：

EFFECTS OF RADIATION ON MATERIALS: 18TH INTERNATIONAL SYMPOSIUM | 1999年 / 1325卷

关键词：

austenitic stainless steel; tensile properties; neutron irradiation; spectrally tailored experiment;

D O I：

10.1520/STP13896S

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of low temperature neutron irradiation on the tensile behavior of type 316 stainless steel were investigated. A single heat of solution annealed type 316 stainless steel was irradiated to 7 and 18 dpa at 60, 200, 330, and 400 degrees C. The tensile properties as a function of dose and as a function of temperature were examined. Large changes in yield strength, deformation mode, strain to necking, and strain hardening capacity were seen in this irradiation experiment. The magnitudes of the changes are dependent on both irradiation temperature and neutron dose. Irradiation can more than triple the yield strength over the unirradiated value and decrease the strain to necking (STN) to less than 0.5% under certain conditions. A maximum increase in yield strength and a minimum in the STN occur after irradiation at 330 degrees C but the failure mode remains ductile.

引用

页码：671 / 688

页数：18

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