Crack initiation detection in JAC780Y during tensile loading by using direct current potential drop and acoustic emission techniques

Abstract

In this work, the non-destructive and fracture test techniques were studied for micro-crack detection in the advanced high strength steel (AHSS) notched sheets. Crack initiation of JAC780Y during tensile loading was investigated by Direct Current Potential Drop (DCPD) and Acoustic Emission (AE) techniques. The results confirm for the first time that both techniques can be induced to indicate micro-crack from fracture behavior of AHSS sheet in forming and AE technique can detect the crack initiation faster and more effective than DCPD.

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Item Type:	Article
Authors/Creators:	Seemuang, N. Panich, S. Slatter, T. https://orcid.org/0000-0002-0485-4615
Copyright, Publisher and Additional Information:	© 2016-2017 International Journal of Mechanical Engineering and Robotics Research.
Keywords:	crack detection; acoustic emission; direct current potential drop
Dates:	Accepted: 16 January 2018 Published (online): 10 July 2018 Published: July 2018
Institution:	The University of Sheffield
Academic Units:	The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Mechanical Engineering (Sheffield)
Depositing User:	Symplectic Sheffield
Date Deposited:	13 Jul 2018 10:31
Last Modified:	18 Apr 2024 10:46
Status:	Published
Publisher:	International Journal of Mechanical Engineering and Robotics Research
Refereed:	Yes
Identification Number:	https://doi.org/10.18178/ijmerr.7.4.348-352

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Crack initiation detection in JAC780Y during tensile loading by using direct current potential drop and acoustic emission techniques

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