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Prediction of Axial Residual Stress in Drawn High-Carbon Wire Resulting Due to Increase in Surface Temperature

고탄소강 다단 신선 와이어의 표면 온도 상승에 의한 축방향 잔류응력 예측

  • 김대운 (부산대학교 정밀기계공학과) ;
  • 이상곤 (부산대 PNU-IFAM 국제공동연구소) ;
  • 김병민 (부산대학교 기계공학부) ;
  • 정진영 (고려제강 기술개발연구원) ;
  • 반덕영 (고려제강 기술개발연구원)
  • Received : 2010.05.10
  • Accepted : 2010.07.29
  • Published : 2010.10.01

Abstract

In recent times, due to wire drawing of high carbon steel at a high speed to ensure a high productivity and high strength, axial residual stress are generated because of rapid increase in surface temperature. In the process, the temperatures of the wires increased because of the deformation of the wires and the friction between the die and wire. In particular, in the case of the wire drawing at a high speed, friction leads to a large temperature gradient so that considerable axial residual stress is generated on the surface. In this study, the relationship between axial residual stress and increase in the surface temperature was investigated, and a prediction model of uniform temperature was proposed. Then, a prediction model for residual stress was developed. The proposed model was verified by measuring the residual stress by X-ray diffraction on drawn wires.

Keywords

High Carbon Steel;Multi-Pass Wire Drawing;Surface Temperature;Axial Residual Stress

Acknowledgement

Supported by : 한국연구재단

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Cited by

  1. Manufacturing of High-Strength and High-Ductility Pearlitic Steel Wires Using Noncircular Drawing Sequence vol.38, pp.7, 2014, https://doi.org/10.3795/KSME-A.2014.38.7.743