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Non-destructive evaluation of decarburization of spring steel using electromagnetic measurement

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Title: Non-destructive evaluation of decarburization of spring steel using electromagnetic measurement
Authors: Burzic, D.1 denijel.burzic@tuwien.ac.at, Zamberger, J.2, Kozeschnik, E.3
Source: NDT & E International. Jul2010, Vol. 43 Issue 5, p446-450. 5p.
Subjects: Nondestructive testing, Decarburization of steel, Electromagnetic measurements, Fracture mechanics, Strength of materials, Deterioration of materials, Dynamic testing of materials
Abstract: Abstract: Surface decarburization in the process of spring steel making often leads to deteriorated fatigue behavior of the finished components in service. Steel industry has a strong interest to replace time consuming and expensive destructive mechanical tests by non-destructive methods, which can be even integrated in-situ within the production process. In the present work, the decarburization profiles in 51CrV4 steel have been investigated based on light microscopic inspection and hardness testing. The latter quantity is also investigated using an electromagnetic measuring and evaluation device. The analysis procedure of this device utilizes the KEMAG method, which is based on the analysis of a combination of various electromagnetic properties. For the first time, the present method is applied to the analysis of non-uniform properties varying with the distance from the surface into the specimen volume. Good agreement between non-destructive and classic destructive methods is achieved. [Copyright &y& Elsevier]
Copyright of NDT & E International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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An: 50958885
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  Data: <searchLink fieldCode="AR" term="%22Burzic%2C+D%2E%22">Burzic, D.</searchLink><relatesTo>1</relatesTo><i> denijel.burzic@tuwien.ac.at</i><br /><searchLink fieldCode="AR" term="%22Zamberger%2C+J%2E%22">Zamberger, J.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kozeschnik%2C+E%2E%22">Kozeschnik, E.</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22NDT+%26+E+International%22">NDT & E International</searchLink>. Jul2010, Vol. 43 Issue 5, p446-450. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Nondestructive+testing%22">Nondestructive testing</searchLink><br /><searchLink fieldCode="DE" term="%22Decarburization+of+steel%22">Decarburization of steel</searchLink><br /><searchLink fieldCode="DE" term="%22Electromagnetic+measurements%22">Electromagnetic measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+mechanics%22">Fracture mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Strength+of+materials%22">Strength of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Deterioration+of+materials%22">Deterioration of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Dynamic+testing+of+materials%22">Dynamic testing of materials</searchLink>
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  Data: Abstract: Surface decarburization in the process of spring steel making often leads to deteriorated fatigue behavior of the finished components in service. Steel industry has a strong interest to replace time consuming and expensive destructive mechanical tests by non-destructive methods, which can be even integrated in-situ within the production process. In the present work, the decarburization profiles in 51CrV4 steel have been investigated based on light microscopic inspection and hardness testing. The latter quantity is also investigated using an electromagnetic measuring and evaluation device. The analysis procedure of this device utilizes the KEMAG method, which is based on the analysis of a combination of various electromagnetic properties. For the first time, the present method is applied to the analysis of non-uniform properties varying with the distance from the surface into the specimen volume. Good agreement between non-destructive and classic destructive methods is achieved. [Copyright &y& Elsevier]
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  Data: <i>Copyright of NDT & E International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ndteint.2010.04.006
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        Text: English
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        StartPage: 446
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        Type: general
      – SubjectFull: Decarburization of steel
        Type: general
      – SubjectFull: Electromagnetic measurements
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      – SubjectFull: Fracture mechanics
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      – SubjectFull: Strength of materials
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      – SubjectFull: Deterioration of materials
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      – SubjectFull: Dynamic testing of materials
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              Text: Jul2010
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