The Size Effect of SiO2 Particles on Friction Mechanisms of a Composite Friction Material

被引：24
|
作者：
Sun, Weitao [1 ]
Zhou, Wenlong [1 ]
Liu, Jianfa [1 ]
Fu, Xuesong [1 ]
Chen, Guoqing [1 ]
Yao, Shan [1 ]
机构：
[1] Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116085, Peoples R China
来源：
TRIBOLOGY LETTERS | 2018年 / 66卷 / 01期
关键词：
Particle size; Friction mechanisms; Friction materials; Physical model; Predictability; BRAKE LINING MATERIALS; TRIBOLOGICAL PROPERTIES; PERFORMANCE; WEAR; ZIRCON; FIBER; PADS;
D O I：
10.1007/s11249-018-0987-0
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this paper, the effect of - SiO2 particle size on friction mechanisms was investigated. Five different size scales (10 mu m, 80 mu m, 180-700 mu m, 700 mu m-2.0 mm, and 3.0 mm) were selected to prepare non-commercial friction materials. Friction testing for these materials was conducted on a pad-on-disc-type friction tester under certain conditions. In order to identify the friction behaviour during the friction process, worn surfaces after test were observed using SEM. Results revealed that the friction mechanisms changed with particle size. In addition, a simple physical model was developed to provide quantitative analysis for the friction coefficient of materials containing large particles. Further, the predictability of this model was investigated across a range of formulations and controlling factors.
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页数：10
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