Volume 7, No. 4, July 2018

General Information

  • ISSN: 2278-0149 (Online)
  • Abbreviated Title:  Int. J. Mech. Eng. Robot. Res.  
  • Editor-in-Chief: ​Prof Richard (Chunhui) Yang, Western Sydney University, Australia
  • Associate Editor: Prof. B.V. Appa Rao, Andhra University; Prof. Ian R. McAndrew, Capitol Technology University, USA
  • Managing Editor: Murali Krishna. B
  • DOI: 10.18178/ijmerr
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International Journal of Mechanical Engineering and Robotics Research
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Crack Initiation Detection in JAC780Y during Tensile Loading by Using Direct Current Potential Drop and Acoustic Emission Techniques

Nopparat Seemuang 1, Sansot Panich 1 , and Tom Slatter2
1. Department of Production Engineering, King Mongkut’s University of Technology North Bangkok Bangkok, Thailand
2. Department of Mechanical Engineering, The University of Sheffield, Sheffield, UK

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.

Index Terms—crack detection, acoustic emission, direct current potential drop

Cite: Nopparat Seemuang, Sansot Panich, and Tom Slatter, "Crack Initiation Detection in JAC780Y during Tensile Loading by Using Direct Current Potential Drop and Acoustic Emission Techniques," International Journal of Mechanical Engineering and Robotics Research, Vol. 7, No. 4, pp. 348-352, July 2018. DOI: 10.18178/ijmerr.7.4.348-352