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Experimental Determination of Friction Characteristics for Advanced High Strength Steel Sheets

초고강도강판 마찰특성의 실험적 규명

  • Received : 2013.05.28
  • Accepted : 2013.06.25
  • Published : 2013.07.01

Abstract

The friction coefficients of advanced high strength steel sheets were experimentally determined. In the friction test, the pulling and holding forces acting on the sheet for various friction conditions, such as lubricant viscosity, pulling speed, blank holding pressure, sheet surface roughness, and hardness of the sheet were measured and the friction coefficient was calculated based on Coulomb's friction law. While the friction coefficient, generally, decreases as the value of friction factor increases, the factor associated with the sheet surface roughness shows U shape behavior for the friction coefficient. Furthermore, the relationship between friction coefficient and the wear volume, which was computed for the roughness of both sheet surfaces and the friction area, is linearly proportional.

Keywords

References

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