Detecting Method of Hardened Depth in Surface-Hardened Steel by Magnetic Field on Steel

被引：0

作者：

Gotoh, Yuji ^{[1
]}

Onita, Shun ^{[2
]}

Horino, Takashi ^{[2
]}

Misaka, Yoshitaka ^{[2
]}

机构：

[1] Oita Univ, Fac Sci & Technol, Dept Innovat Engn, Oita 8701192, Japan

[2] Neturen Co Ltd, Res & Dev Headquarters, Hiratsuka, Kanagawa 2540013, Japan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2018年 / 54卷 / 11期

关键词：

3-D nonlinear electromagnetic finite-element method (FEM); electromagnetic non-destructive inspection; evolution strategy; optimal design; surface-hardened depth;

D O I：

10.1109/TMAG.2018.2846733

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：

The inspection of the surface-hardened depth of the mechanical part in a large-sized heavy industrial machine is important in the intensity or the guarantee of quality of these parts. When the size of its hardened steel parts is large, the destructive testing using the Vickers hardness tester is made difficult. Therefore, the non-destructive inspection method is needed for the evaluation of the hardened depth. The electromagnetic characteristic inside the hardened domain is lower than the non-hardening domain. Then, the non-destructive inspection of the hardened depth is possible by detecting the difference of these electromagnetic characteristics. In this paper, the high-sensitivity inspection method for detecting the surface-hardened depth is investigated by a 3-D nonlinear electromagnetic finite-element method using the evolution strategy method.

引用

页数：4

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