Effect of mullite on the friction stability of carbon fiber-reinforced friction material

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL

Industrial Lubrication and Tribology Pub Date : 2024-08-02 DOI:10.1108/ilt-04-2024-0136

Peng Cai, Pingjie Zhang, Xiong Xiao, Wenneng Yang, Xiaohan Wu, Lingli Ni, Fei Zheng

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引用次数: 0

Abstract

Purpose

The purpose of this paper is to investigate the effect of mullite on the mechanical properties and friction of carbon fiber (CF)-reinforced friction material.

Design/methodology/approach

CF-reinforced friction materials with varying content of mullite were fabricated by hot press molding, and then the tribological properties were tested on the MRH-3-type tribometer under ambient conditions with the ring-on-block configuration.

Findings

The experimental results indicated that the addition of mullite increased the density and compressive strength of friction material. However, the flexural strength of friction material decreased by 16% with the addition of 15 Wt.% mullite. The friction coefficient was proportional to the mullite content. Friction material with 12.5 Wt.% mullite showed the highest friction stability under different loads, whereas friction material with 10 Wt.% mullite exhibited the highest friction stability under different sliding speeds.

Originality/value

By boosting the resistance to deformation under load and increasing the specific heat capacity, mullite contributed significantly to the friction stability of the friction material.

查看原文本刊更多论文

莫来石对碳纤维增强摩擦材料摩擦稳定性的影响

本文的目的是研究莫来石对碳纤维（CF）增强摩擦材料的机械性能和摩擦力的影响。设计/方法/途径通过热压成型制造出不同莫来石含量的碳纤维增强摩擦材料，然后在MRH-3型摩擦磨损试验仪上进行摩擦学性能测试，测试条件为环境条件下的环块配置。然而，添加 15 重量%的莫来石后，摩擦材料的抗弯强度降低了 16%。摩擦系数与莫来石含量成正比。含有 12.5 重量%莫来石的摩擦材料在不同载荷下表现出最高的摩擦稳定性，而含有 10 重量%莫来石的摩擦材料在不同滑动速度下表现出最高的摩擦稳定性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Industrial Lubrication and Tribology 工程技术-工程：机械

CiteScore

3.00

自引率

18.80%

发文量

129

审稿时长

1.9 months

期刊介绍： Industrial Lubrication and Tribology provides a broad coverage of the materials and techniques employed in tribology. It contains a firm technical news element which brings together and promotes best practice in the three disciplines of tribology, which comprise lubrication, wear and friction. ILT also follows the progress of research into advanced lubricants, bearings, seals, gears and related machinery parts, as well as materials selection. A double-blind peer review process involving the editor and other subject experts ensures the content''s validity and relevance.