Korean Journal of Metals and Materials (대한금속재료학회지)

The Korean Institute of Metals and Materials (대한금속재료학회)
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Analysis of the High Formability of Automotive Steel Sheets by the Surface Texturing Effect

자동차용 강판의 표면 텍스처링 효과에 따른 고성형성 연구

  • Yoon, Seung-Chae (Research and Development Center, Hyundai HYSCO) ;
  • Lyo, In-Woong (Research and Development Division, Hyundai and Kia Corporate) ;
  • Cho, Min-Haeng (Dept. of Mechanical Engineering, Chung Ang University)
  • 윤승채 (현대하이스코 기술연구소) ;
  • 여인웅 (현대기아차 중앙연구소) ;
  • 조민행 (중앙대학교 기계공학부)
  • Received : 2011.07.19
  • Published : 2012.01.25
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Abstract

This study aims to analyze the formability property of surface texturing processed automotive steel sheet for improving the sheet forming property. In the paper, the effect of cavities fabricated using the laser surface texturing technique on automotive high strength steel sheets was studied. The frictional behavior of the sheet drawing is a function of interface parameters such as sheet surface roughness, holding force, contact pressure, etc. For these reasons, automotive steel researchers want to optimize the surface topography of automotive steel sheets in order to enhance the formability. Therefore, this study presents the behavior of deformation of a laser surface texturing steel sheet by considering the frictional operation during the deep drawing process.

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