Barkhausen noise-magnetizing voltage sweep measurement in evaluation of residual stress in hardened components

被引：14

作者：

Santa-aho, Suvi ^{[1
]}

Sorsa, Aki ^{[2
]}

Hakanen, Merja ^{[3
]}

Leiviska, Kauko ^{[2
]}

Vippola, Minnamari ^{[1
]}

Lepisto, Toivo ^{[1
]}

机构：

[1] Tampere Univ Technol, Dept Mat Sci, FIN-33101 Tampere, Finland

[2] Univ Oulu, Control Engn Lab, SF-90100 Oulu, Finland

[3] Stresstech Grp, Vaajakoski, Finland

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 2014年 / 25卷 / 08期

关键词：

Barkhausen noise; residual stress measurements; grinding; magnetizing voltage sweep; carburizing case-hardening; CALIBRATION BLOCKS; PREDICTION; EMISSION; MODEL;

D O I：

10.1088/0957-0233/25/8/085602

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, Barkhausen noise (BN) magnetizing voltage sweep (MVS) measurement is used to evaluate non-destructively the surface residual stress state of hardened components. A new computational feature, where the maximum slope of the sweep is divided by the corresponding magnetizing voltage, is introduced. The results show that this feature has a linear relationship with the residual stress state of the samples. The determination of residual stresses during online production of components is a highly recognized task because tensile stresses may be detrimental to the component. In this study, two sets of hardened samples are used in the analysis. A linear relationship is observed in each sample set indicating that the new feature is applicable in assessment of surface residual stresses of the components.

引用

页数：6

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