Very high cycle fatigue in pulsed high power spallation neutron source

被引：7
|
作者：
Xiong, Zhihong [1 ]
Futakawa, Masatoshi [2 ]
Naoe, Takashi [2 ]
Maekawa, Katsuhiro [3 ]
机构：
[1] Ibaraki Univ, Grad Sch Sci & Engn, 4-12-1 Nakanarusawa, Hitachi, Ibaraki 3168511, Japan
[2] Japan Atom Energy Agcy, JPARC Ctr, Ibaraki 3191195, Japan
[3] Ibaraki Univ, Ibaraki 3168511, Japan
来源：
11TH INTERNATIONAL FATIGUE CONGRESS, PTS 1 AND 2 | 2014年 / 891-892卷
基金：
日本学术振兴会;
关键词：
High-strain-rate; Very High Cycle Fatigue; Ultrasonic Fatigue Test; Irradiation Embrittlement; Cold Work; Liquid Metal Embrittlement; STAINLESS-STEEL; BEHAVIOR; MECHANISMS; MERCURY; AIR;
D O I：
10.4028/www.scientific.net/AMR.891-892.536
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Very high cycle fatigue degradation of type 316L austenitic stainless steel, which is used as the structural material of neutron spallation sources under intensive neutron irradiation environment, is investigated by using an ultrasonic fatigue testing machine. The strain rate imposed on the structure of neutron spallation source is almost equivalent to that produced in the testing machine. The temperature on the surface was controlled by the air-cooling. The effect of strain rate on the fatigue strength is recognized to increase the fatigue limit.
引用
收藏
页码：536 / +
页数：2
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