用因子设计数值研究刹车片性能对摩擦和磨损排放的影响

IF 1.5 Q3 ENGINEERING, MECHANICAL Advances in Tribology Pub Date : 2016-11-13 DOI:10.1155/2016/8181260
J. Wahlström
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引用次数: 16

摘要

在欧洲,由于盘式制动器垫片和转子的磨损而产生的空气微粒排放占道路总排放量的50%。磨损过程发生在介观长度尺度上的垫片和转子之间的接触界面可以解释为接触高原的产生和破坏。由于这种复杂的接触情况,很难预测垫块摩擦材料的磨损和材料参数的变化将如何影响摩擦磨损排放。研究了衬垫摩擦材料的不同参数对摩擦系数和磨损排放的影响。使用先前开发的元胞自动机方法的简化版本开发了全因子设计,以研究四个因素对摩擦系数和磨损排放的影响。模拟结果表明,稳定的第三体、高比磨损和相对高的金属纤维量产生高且稳定的平均摩擦系数,而稳定的第三体、低比磨损、稳定的树脂和相对高的金属纤维量产生低磨损排放。
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A Factorial Design to Numerically Study the Effects of Brake Pad Properties on Friction and Wear Emissions
Airborne particulate emissions originating from the wear of pads and rotors of disc brakes contribute up to 50% of the total road emissions in Europe. The wear process that takes place on a mesoscopic length scale in the contact interfaces between the pads and rotors can be explained by the creation and destruction of contact plateaus. Due to this complex contact situation, it is hard to predict how changes in the wear and material parameters of the pad friction material will affect the friction and wear emissions. This paper reports on an investigation of the effect of different parameters of the pad friction material on the coefficient of friction and wear emissions. A full factorial design is developed using a simplified version of a previously developed cellular automaton approach to investigate the effect of four factors on the coefficient of friction and wear emission. The simulated result indicates that a stable third body, a high specific wear, and a relatively high amount of metal fibres yield a high and stable mean coefficient of friction, while a stable third body, a low specific wear, a stable resin, and a relatively high amount of metal fibres give low wear emissions.
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来源期刊
Advances in Tribology
Advances in Tribology ENGINEERING, MECHANICAL-
CiteScore
5.00
自引率
0.00%
发文量
1
审稿时长
13 weeks
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