USE OF SUBSIZED SPECIMEN FOR EVALUATING THE STRENGTH AND FRACTURE-TOUGHNESS OF IRRADIATED 2 1/4 CR-1 M0 STEEL

被引：4
作者：
MAO, X
TAKAHASHI, H
KODAIRA, T
机构：
[1] Department of Mechanical Engineering, University of Calgary, Calgary, AB
[2] Research Institute for Fracture Technology, Tohoku University, Sendai
来源：
JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME | 1992年 / 114卷 / 02期
关键词：
D O I：
10.1115/1.2904157
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The procedure of the determination of yield and ultimate strengths of irradiated 2 1/4 Cr-1 M0 steel using small punch specimen (10 mm by 10 mm by 0.5 mm) has been demonstrated. The result was compared with the result obtained from conventional tensile test. Fracture toughness of irradiated 2 1/4 Cr-1 M0 steel was measured by use of subsized CT specimen and D.C. electrical potential method. Owing to irradiation hardening of 2 1/4 Cr-1 M0 steel, yield and ultimate strength increase substantially and fracture toughness decreases 37 percent when the steel is irradiated to a fluence of 3.2 x 10(23) n/m2. The small punch and subsized CT specimen can be used for irradiation test so that considerable irradiation space will be saved.
引用
收藏
页码：168 / 171
页数：4
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