Friction and wear behaviors and mechanisms of Fe and SiO2 in Cu-based P/M friction materials

• Published in: Wear Vol. 262; no. 9-10; pp. 1182 - 1186
• Main Authors: Xiong, Xiang, Chen, Jie, Yao, Pingping, Li, Shipeng, Huang, Baiyun
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier Science 10.04.2007; Amsterdam; New York, NY
• Subjects: Applied sciences; Contact of materials. Friction. Wear; Exact sciences and technology; Friction, wear, lubrication; Machine components; Mechanical engineering. Machine design; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology; Metals. Metallurgy; P/M friction materials; Friction and wear; Copper base alloys; Powder metallurgy; Friction material; Friction; Wear rate; Silicon oxides; Wear; Friction coefficient; SiO2; Tribology; Fe
• ISSN: 0043-1648; 1873-2577
• DOI: 10.1016/j.wear.2006.11.001

Cu-based P/M friction materials were prepared and the effects of Fe and SiO2 friction components on the friction and wear behaviors of the materials were studied. The results show that Fe and SiO2 have different wear mechanisms. Fe can decrease wear loss of friction materials and enhance friction coefficient, while SiO2 can remarkably enhance friction coefficient and wear properties of friction materials under the condition of high rotating rate, and increase wear loss under the condition of low rotating rate. The wear behaviors and mechanisms of Fe and SiO2 in Cu-based friction materials have been discussed.