Material Property and Stress Field near Notch Tip in Steel Plate under High Electric Current

被引：1

作者：

Liu, Thomas Jin-Chee ^{[1
]}

Tseng, Ji-Fu ^{[1
]}

Cheng, Chun-Der ^{[1
]}

机构：

[1] Ming Chi Univ Technol, Dept Mech Engn, New Taipei, Taiwan

来源：

2017 ASIA CONFERENCE ON MECHANICAL AND AEROSPACE ENGINEERING (ACMAE 2017) | 2018年 / 151卷

关键词：

D O I：

10.1051/matecconf/201815101004

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Under high electric current, the material property and stress field near the notch tip in the stainless steel plate have been investigated. Using the numerical and experimental methods, the electric current density, temperature, stress, grain image and micro hardness are obtained. Also, the melting and heat-affected zones at the notch tip are investigated. At the tip region, the hardness value improves and the compressive residual stress occurs. This result can reduce the stress level and prevent from the crack initiation when the plate is subjected to the tensile load.

引用

页数：4

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