Relation Between Magnetic Barkhausen Noise and Hardness for Jominy Quench Tests in SAE 4140 and 6150 Steels

被引：85

作者：

Franco, Freddy A. ^{[1
]}

Gonzalez, M. F. R. ^{[2
]}

de Campos, M. F. ^{[3
]}

Padovese, L. R. ^{[4
]}

机构：

[1] Soc Educ Santa Catarina, BR-89206001 Joinville, SC, Brazil

[2] Univ Sao Paulo, Sch Engn, Dept Met & Mat Engn, BR-05508030 Sao Paulo, Brazil

[3] Univ Fed Fluminense, EEIMVR, BR-27255125 Volta Redonda, RJ, Brazil

[4] Univ Sao Paulo, Sch Engn, Dept Mech Engn, BR-05508900 Sao Paulo, Brazil

来源：

JOURNAL OF NONDESTRUCTIVE EVALUATION | 2013年 / 32卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

Barkhausen noise; Hardness measurement; Microstructure; Magnetic non-destructive testing; CARBURIZED EN36 STEEL; EMISSION TECHNIQUE; RESIDUAL-STRESS; MILD-STEEL; GRAIN-SIZE; DEFORMATION; PREDICTION; FATIGUE; ALLOY; MODEL;

D O I：

10.1007/s10921-012-0162-8

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The nondestructive Magnetic Barkhausen Noise (MBN) technique was applied for the evaluation of SAE 4140 and SAE 6150 steels after a Jominy end-quench test. Microstructures were also characterized by SEM (Scanning Electron Microscope) and hardness tests. MBN measurements were performed on the same sample regions at three excitation frequencies. Different parameters of the measured signals (signal peak position and height, and Root mean square) were calculated. A relationship between mechanical hardness and MBN parameters was found for both materials, with the best correlation coefficient being found in low excitation frequency range.

引用

页码：93 / 103

页数：11

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