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Multi-metal sulfide pre-blend combination on the tribological performance of the brake friction material
Industrial Lubrication and Tribology ( IF 1.6 ) Pub Date : 2020-11-04 , DOI: 10.1108/ilt-07-2020-0249
Sathickbasha K. , Selvakumar A.S. , Surya Rajan Balachandran , Hariharasakthisudhan P.

Purpose

The purpose of this study is the influence of various combinations of metal sulfides on the tribological performance of brake pads.

Design/methodology/approach

Three brake pads were prepared using the possible combination of any two of the solid lubricants from Bismuth trisulfide (Bi2S3); Tin disulfide (SnS2) and Antimony trisulfide (Sb2S3) are chosen and blended with molybdenum disulfide and graphite. The tribological performance was compared with the brake pad containing aftermarket sulfide mixture. The tribological performance parameters such as performance coefficient of friction, fade percent, recovery percent, wear thickness loss, time is taken to reach the maximum temperature and fluctuation of friction were investigated using Chase tribometer adopting IS 2742 Part-4 (1994) test procedure.

Findings

The friction stability of the brake pad with 4Wt% of MoS2, Bi2S3 and SnS2 was observed to be better, but it showed poor wear performance and aggressive towards the rotor, whereas the brake pad contained 4Wt% of MoS2, Bi2S3 and Sb2S3 exhibited improved wear performance.

Originality/value

This paper explains the influence of the combination of multiple metal sulfide in the tribological performance of the copper-free brake friction composite.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-07-2020-0249/



中文翻译:

多金属硫化物预混组合对制动摩擦材料的摩擦学性能的影响

目的

这项研究的目的是金属硫化物的各种组合对制动片的摩擦学性能的影响。

设计/方法/方法

使用来自三硫化铋(Bi 2 S 3)的任何两种固体润滑剂的可能组合,制备了三个制动衬块。选择二硫化锡(SnS 2)和三硫化锑(Sb 2 S 3),并将其与二硫化钼和石墨混合。将摩擦性能与包含售后硫化物混合物的刹车片进行了比较。使用Chase摩擦计,采用IS 2742 Part-4(1994)测试程序,研究了摩擦学性能参数,例如摩擦性能系数,褪色百分比,恢复百分比,磨损厚度损失,达到最高温度所需的时间以及摩擦波动。

发现

与MO的4重量%的制动衬垫的摩擦稳定性2,铋2小号3和SNS 2,观察到更好,但它显示出磨损性能差并朝向转子侵略性,而制动垫所含的MoS的4重量%2, Bi 2 S 3和Sb 2 S 3表现出改善的磨损性能。

创意/价值

本文解释了多种金属硫化物的组合对无铜制动摩擦复合材料摩擦学性能的影响。

同行评审

本文的同行评审历史记录可在以下网址获得:https://publons.com/publon/10.1108/ILT-07-2020-0249/

更新日期:2020-11-04
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