Thermomechanical instability of viscoelastic friction materials in automotive disk clutches and brake pads
Thermomechanical instability of viscoelastic friction materials in automotive disk clutches and brake pads
复制标题
汽车盘式离合器和刹车片中粘弹性摩擦材料的热机械不稳定性
DOI:
10.1080/01495739.2023.2191671
复制
发表时间:
2023
影响因子:
2.8
通讯作者:
Yi, Yun-Bo
中科院分区:
文献类型:
--
作者:
Koranteng, Kingsford;Zhang, Yizhan;LeNeave, Cortney;Yi, Yun-Bo
The objective of this study is to develop a mathematical model to aid in predicting the onset of instability in automotive disk brakes and clutches when using viscoelastic friction materials. The model is derived from and expands upon the fundamental of Burton’s model for thermoelasticity in pure elastic materials. In this investigation, three physical material parameters are considered: relaxation time, elasticity, and thermal conductivity. Prior to this parametric study, the effects of these material properties in relation to thermoelasticity were yet to be fully understood. Therefore, a finite element analysis is developed and used to validate the mathematical model by comparing the variation of the critical speed as a function of thermal conductivity. The results reveal that an increase in the relaxation time significantly reduces the critical sliding speed. Changing the elastic parameter further increases the effect of relaxation time by also reducing the critical sliding speed. However, increasing the thermal conductivity parameter dampens the effect of the elastic parameter and relaxation time on the critical speed. The study concludes there is a critical value of the relaxation time and elastic parameter above which the system stability is improved, meanwhile thermal conductivity attempts to counter the stability gained from other material properties. The study is instrumental in understanding the influence of viscoelastic parameters in sliding systems and provides an intuitive means of predicting the onset of thermomechanical instability.
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影响因子:
1.6
作者:
Yang Zhao;Heng Liu;Nan Wang;Bo Fan;Meng
通讯作者:
Meng
影响因子:
1.4
作者:
Koranteng, Kingsford;Shaahu, Joseph-Shaahu;Yi, Yun-Bo
通讯作者:
Yi, Yun-Bo
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
F. F. Mahmoud;A. El;A. Alshorbagy;Alaa A. Abdel Rahman
通讯作者:
Alaa A. Abdel Rahman
DOI:
--
发表时间:
2002
期刊:
影响因子:
--
作者:
A. Al;J. Barber
通讯作者:
J. Barber
DOI:
--
发表时间:
2020
期刊:
The Plastics
影响因子:
--
作者:
N. Mills;Mike Jenkins;S. Kukureka
通讯作者:
S. Kukureka