Contact behaviour and vibrational response of a high-speed train brake friction block

被引：57

作者：

Xiang, Z. Y. ^{[1
]}

Mo, J. L. ^{[1
]}

Ouyang, H. ^{[2
]}

Massi, F. ^{[3
]}

Tang, B. ^{[1
]}

Zhou, Z. R. ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Tribol Res Inst, Sch Mech Engn, Chengdu 610031, Peoples R China

[2] Univ Liverpool, Sch Engn, Liverpool L69 3GH, Merseyside, England

[3] Univ Roma La Sapienza, Dept Mech & Aerosp Engn, DIMA, Rome, Italy

来源：

TRIBOLOGY INTERNATIONAL | 2020年 / 152卷

基金：

中国国家自然科学基金;

关键词：

Friction-induced vibration; Contact behaviour; Vibration response; Experimental analysis; Numerical analysis; DISC BRAKE; STRUCTURAL MODIFICATIONS; TRIBOLOGICAL PROPERTIES; SQUEAL PREDICTION; NOISE PERFORMANCE; INSTABILITY; SURFACE; SYSTEM; PADS; COMPOSITES;

D O I：

10.1016/j.triboint.2020.106540

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Brake experiments were conducted on a typical kind of friction blocks of a high-speed train. The friction and wear, interfacial temperature, vibration, and noise generated at or by the brake interface were investigated, and the interrelationship between the vibration response and the contact behaviour of interface was analysed. The results showed the friction coefficient, vibration energy, and noise intensity were lower when the block surface experiences less wear; the friction coefficient and contact angle of the block were important factors affecting the vibration characteristics of the brake system. Moreover, the contact inclination angle increased with the increase in the friction coefficient, and mode coupling of the brake system occurred; as a result, the vibration intensity increased, and squeal occurred.

引用

页数：18

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