Author:
Jun-Hui Chai,Zhong-Jie Lv,Zheng-Xiang Shen,Zi-Jiang Zhang,Xu Bo,Jian-Min Shen,Sheng-Jie Qian,Fu Yang
Abstract
Using a nondestructive testing method based on hysteresis behavior, the structural-mechanical dependence of the coercive force of 35CrMo steel components was compared with that of standard specimens. As described in the magnetic Jiles–Atherton model, the magnetic coercive force of the cylinders was inversely proportional to the grain refinement, which was validated by means of metallographic examination and hardness tests. Simultaneously, this study presented an experimental validation by destructive testing for determining the relationship between the measured magnetic parameter and the property of concern and a linear correlation between coercive force and hardness. These observations provide a method to quickly and nondestructively evaluate the mechanical properties of steel components.
Funder
Basic Public Welfare Research Program of Zhejiang Province
Publisher
The American Society for Nondestructive Testing, Inc.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
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