Nondestructive examination of decarburised layer of steels using eddy current and magnetic Barkhausen noise testing techniques

被引：11

作者：

Falahat, S. ^{[1
]}

Ghanei, S. ^{[1
,2
]}

Kashefi, M. ^{[1
]}

机构：

[1] Ferdowsi Univ Mashhad, Dept Mat Engn, Fac Engn, Mashhad, Iran

[2] Deakin Univ, IFM, Geelong, Vic, Australia

来源：

NONDESTRUCTIVE TESTING AND EVALUATION | 2018年 / 33卷 / 02期

关键词：

Barkhausen noise; decarburised steel; eddy current testing; microstructure; nondestructive testing; DUAL-PHASE STEEL; ELECTROMAGNETIC SENSOR; MECHANICAL-PROPERTIES; MICROSTRUCTURE; TECHNOLOGY; FREQUENCY; EMISSION; SURFACE; PARTS; DEPTH;

D O I：

10.1080/10589759.2017.1397144

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Eddy current and Barkhausen noise nondestructive testing techniques were considered to evaluate the magnetic properties of the decarburised steels as a function of microstructure. To make changes in decarburising depth, carbon steel samples were austenitised at 890 degrees C for 120-270min. Considering different decarburised depths, height, position and width of the noise profiles were extracted in order to analyse the magnetic Barkhausen noise measurements. Next, the eddy current test was performed to detect the changes in the microstructure through decarburising of the steel taking into account the impedance variations. According to the results, both techniques allow us to detect changes in the magnetic properties of the decarburised steels and link them with their microstructural changes, nondestructively.

引用

页码：154 / 164

页数：11

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