Fatigue dependence of residual magnetization in austenitic stainless steel plates

被引：6
|
作者：
Oka, M
Yakushiji, T
Enokizono, M
机构：
[1] Oita Natl Coll Technol, Dept Comp & Control Engn, Oita 8700152, Japan
[2] Oita Natl Coll Technol, Dept Mech Engn, Oita 8700152, Japan
[3] Oita Univ, Fac Engn, Oita 8701192, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2001年 / 37卷 / 04期
关键词：
austenitic stainless steel; fatigue; fluxgate sensor; NDE; residual magnetization;
D O I：
10.1109/20.951048
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to estimate the amount of bending fatigue damage on austenitic stainless steel plates, we have investigated the relationship between plane bending stress and residual magnetization caused by martensitic structure in austenitic stainless steel plates. Magnetic flux density in the Z component caused by residual magnetization at I mm above a specimen is measured by using a high sensitivity fluxgate magnetic sensor. It can detect a very small magnetic flux density. From our experiments, the magnetic flux density at 1 nm above a specimen caused by residual magnetization has clear dependences on the increase of bending stress and the number of stress cycles. In this paper, the relationship between bending stress and residual magnetization in austenitic stainless steel plates is shown and the bending fatigue dependence of residual magnetization on them is discussed.
引用
收藏
页码：2045 / 2048
页数：4
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