Analysis of Eddy Current Testing Method for Detection of Surface Hardening and Coating on Carbon Steel

被引：0

作者：

Kim, Jong Min ^{[1
]}

Kwon, Chan Wool ^{[1
]}

Song, Sung-Jin ^{[1
]}

Kim, Hak-Joon ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Dept Mech Engn, 300 Chunchun Dong, Suwon 440746, Kyeonggi Do, South Korea

来源：

AETA 2016: RECENT ADVANCES IN ELECTRICAL ENGINEERING AND RELATED SCIENCES: THEORY AND APPLICATION | 2017年 / 415卷

关键词：

Eddy current testing; Surface treatment; FEM; Nondestructive evaluation; HARDNESS;

D O I：

10.1007/978-3-319-50904-4_48

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Inspecting surface treatment of mechanical component is important, since it is critical to reliability of the product. In this study, feasibility of eddy current testing as method to inspect surface treatment on carbon steel was investigated. Based on the data that case hardening and surface coating affects electrical conductivity of material in different way, eddy current testing method to detect surface treatment is studied. FEM simulation was carried out to predict change of coil impedance due to change of the surface treatment and experimental validation was conducted. Electrical impedance of coil clearly separated specimens with different surface treatments and results from two approaches showed good agreement.

引用

页码：451 / 458

页数：8

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