Transactions of Materials Processing (소성∙가공)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
권호 표지
DOI QR코드

DOI QR Code

Development of High Strength Steel Body by Hot Stamping

핫스탬핑에 의한 고강도 차체 부품 개발

  • 이두환 (현대자동차 금속재료연구팀) ;
  • 김태정 (현대자동차 금속재료연구팀) ;
  • 임종대 (현대자동차 금속재료연구팀) ;
  • 임희중 (하이스코 연구개발팀)
  • Published : 2009.07.01
Download PDF
⟨ Previous Next ⟩

Abstract

Quenchable boron steel is a new type of high strength steel to reduce the weight of automobiles and maintain the safety conditions. Quenchable blanks can be hot-stamped and hardened in a water-cooled tool to achieve high strength. In this paper, new alloy for hot stamping is designed based on requirement of mechanical properties and two types of surface coating are investigated in viewpoints of oxidization and exfoliation. An automotive part of center pillar is manufactured by hot-stamping using Al-Si coated sheet. The performance of developed part is compared by static compression test and side impact crash test.

Keywords

References

  1. G. Krauss, 1990, Steels, Heat treatment and processing principles, ASM international
  2. A. R. Marder, G. Krauss, 1967, Trans. ASM, Vol. 60 (651)
  3. A. R. Marder, G. Krauss, 1978, Hardenability Concepts with Applications to Steel, AIME, Vol. 238
  4. A. K. Sinka, 2003, Physical Metallurgy Handbook, McGraw Hill Handbooks, pp. 1.23,13.123
  5. L. Vaissiere, 2002, Development of Pre-Coated Boron Steel for Applications on PSA Peugeot Citroen and RENAULT Bodies in White, SAE Technical paper 2002-01-2048
  6. X. Bano, J. P. Laurent, Heat treated boron steels in the automotive industry, 39th Mechanical working and Steel Processing Conference Proceedings, Vol. XXXV
  7. M. Merklein, J. Lechler, 2006, Investigation of the thermo-mechanical properties of hot stamping steels, J. of Mat. Proc. Tech. Vol. 177(1-3), pp 452-455 https://doi.org/10.1016/j.jmatprotec.2006.03.233
  8. G. Krauss, 1998, Understanding the Heat Treatment, Microstructure and Performance of High-Strength Hardened Steels, 1stfd International Automotive Heat Treating Conference, pp. 125-131

Cited by

  1. Effect of hot-stamping process conditions on the changes in material strength vol.16, pp.4, 2015, https://doi.org/10.1007/s12239-015-0063-9
  2. Development Process of Side Impact Beam for Automotive Light-Weighting Door using Sheet Type vol.24, pp.2, 2015, https://doi.org/10.5228/KSTP.2015.24.2.130
  3. A Local Softening Method for Reducing Die Load and Increasing Service Life in Trimming of Hot Stamped Part vol.20, pp.6, 2011, https://doi.org/10.5228/KSTP.2011.20.6.427
  4. Quantitative Evaluation of Scratch Related Tool Life for Stamping of UHSS Using Pin-on-Flat Surface Test vol.22, pp.2, 2013, https://doi.org/10.5228/KSTP.2013.22.2.86