Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Thermal Behavior of Ventilated Disc Brakes Considering Contact Between Disc and Pad

디스크 브레이크와 패드의 접촉을 고려한 벤틸레이티드 디스크 브레이크의 열적거동에 관한 연구

  • Ma, Jeong-Beom (School of Mechanical Engineering, Dongyang Mirae University) ;
  • Lee, Bong-Gu (Division of Mechanical Engineering Technology, Yeungnam University College)
  • Received : 2014.05.09
  • Accepted : 2014.06.13
  • Published : 2014.06.15
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Abstract

When the brakes of a vehicle are applied, large amounts of heat are generated on the surfaces of the brake discs owing to friction between the discs and the brake pads. A high temperature gradient on the disc surfaces leads to thermal deformation and severe disc abrasion. Ultimately, the thermal deformation and disc wear give rise to a thermal judder phenomenon, which has a major effect on the stability of the vehicle. To investigate and propose a solution to these problems, thermoelastic instabilities under applied thermal and mechanical loads were analyzed using the commercial finite element package ANSYS by considering the contact surfaces between the discs and pads. Direct-contact three-dimensional finite elements between the discs and pads were applied to investigate the disc friction temperature, thermal deformation, and contact stress so that the thermal judder phenomenon on the surface of the disc could be predicted.

Keywords

References

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