Friction and Wear Behavior of SiCp/Al Brake Disk Sliding Against Semimetallic Brake Pad under the Braking Condition of Urban Rail Vehicles

被引：1

作者：

Fu, Kangxi ^{[1
]}

Tan, Dong ^{[1
]}

Zhang, Shiqi ^{[1
]}

Gao, Hongmei ^{[1
]}

机构：

[1] CRRC Qishuyan Inst, Changzhou, Jiangsu, Peoples R China

来源：

TRIBOLOGY TRANSACTIONS | 2024年 / 67卷 / 05期

基金：

国家重点研发计划;

关键词：

Brake disk; lightweight; wear; SiCp/Al; friction film; ALUMINUM-MATRIX COMPOSITES; TRIBOLOGICAL BEHAVIOR; AL; MMC;

D O I：

10.1080/10402004.2024.2389933

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Due to their low density and exceptional wear resistance, SiCp/Al composites have great potential for brake materials used in trains. In this study, a newly developed SiCp/Al brake disk was fabricated by a powder metallurgy method. The friction and wear behavior of SiCp/Al brakes were investigated under extensive velocity ranges (40-220 km/h) according to the scale conversion rules. It is found that the matching tribocouple exhibits low wear loss, a reliable friction factor, and high heat resistance. The friction film maintains its continuity and stability at high braking speeds and temperatures, effectively protecting the surface of SiCp/Al composite materials from damage, minimizing wear, and stabilizing the friction coefficient. The excellent reliability of the lightweight SiCp/Al brake disk performance confirms its high technical feasibility to replace heavy iron and steel brake disks in urban rail vehicles that normally travel at 220 km/h.

引用

页码：875 / 885

页数：11

共 20 条

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