Evaluation of Mechanical Property of 24CrNi Alloy Steel Using Reconstituted Hysteresis Loops Parameters Using Magnetic Barkhausen Noise

被引：0
|
作者：
Lyu R. [1 ,2 ]
Song K. [2 ]
Dong S. [2 ]
Men P. [2 ]
Kang X. [2 ]
Yan S. [2 ]
Liu X. [2 ]
机构：
[1] Key Laboratory of Nondestructive Testing of Ministry of Education, Nanchang Hangkong University, Nanchang
[2] National Key Laboratory for Remanufacturing, Army Academy of Armored Force, Beijing
来源：
Cailiao Daobao/Materials Reports | 2020年 / 34卷 / 14期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Magnetic Barkhausen noise; Mechanical properties; Microstructure uniformity; Quantitative prediction; Reconstituted hysteresis;
D O I：
10.11896/cldb.19070068
中图分类号：
学科分类号：
摘要：
To estimating the uniformity of microstructures and the mechanical properties of alloy steel quickly, quantitatively and non-destructively, a comprehensive evaluation of the reconstituted hysteresis characteristic parameters based on the magnetic Barkhausen noise non-destructive testing method was conducted. The low-frequency sine wave was used as the excitation signal to analyze the mapping relation between the reconstituted hysteresis parameters of the magnetic Barkhausen noise signal and the hardness, tensile strength-microstructure of the alloy steel. The calibration model for quantitative evaluation of the strength of alloy steel was carried out, and the calibration model was verified. The research shows that the reconstituted residual magnetism, reconstituted hysteresis loss can be used as quantitative parameters to predict the hardness as well as tensile strength of alloy steel specimens, the prediction error of calibrated model will increase while the constituted parameters exceed the specific interregion. The reconstituted coercivity and reconstituted maximum magnetic permeability cannot be used to predict the hardness and tensile strength of alloy steel but can be used as an important reference for material microstructure uniformity of alloy steel. © 2020, Materials Review Magazine. All right reserved.
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页码：14168 / 14174
页数：6
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