Effects of Different Friction Pairs on the Friction Properties of PEEK and CF/PEEK Composites
XIE Jinmeng1,2, PANG Xianjuan1,2,*, ZHAO Ruofan1, LIU Yating1,2, HUANG Suling1,2, WANG Shuai1, ZHANG Yongzhen1
1 National United Engineering Laboratory for Advanced Bearing Tribology, Henan University of Science and Technology, Luoyang 471023, Henan, China 2 School of Chemistry & Chemical Engineering, Henan University of Science and Technology, Luoyang 471023, Henan, China
Abstract: In order to select the matching materials more suitable for PEEK and CF modified composite materials to adapt to harsh dry friction conditions, this paper selected PEEK and CF/PEEK composite materials as the research object. The dry friction tests of PEEK, CF/PEEK composite and Al2O3 ball, GCr15 ball and Si3N4 ball are carried out by filling modified PEEK matrix composites improved the tribological properties of the composites. By studying the effects of speed and load on the tribological properties, it is found that the friction pairs composed of three kinds of grinding balls still maintain good tribological and wear properties under fixed load and high speed or fixed speed and heavy load. The friction coefficient and wear rate of GCr15 bearing steel ball with PEEK and CF/PEEK are the highest. Si3N4 ceramic ball friction pair has the lowest friction coefficient and the lowest wear rate. The friction coefficient of GCr15-CF/PEEK friction pair is 0.275 at 50 N and 400 r/min, and 0.254 at 0 N and 300 r/min under heavy load. The friction coefficient of Si3N4-CF/PEEK friction pair is 0.265 at high speed of 50 N and 400 r/min, and 0.231 at heavy load of 90 N and 300 r/min. The samples of GCr15-CF/PEEK friction secondary disk have severe abrasive wear and adhesive wear under the harsh working conditions of high speed and high load, while the samples of Si3N4-CF/PEEK friction secondary disk mainly have abrasive wear and slight adhesive wear.
通讯作者:
*逄显娟,硕士研究生导师,2010 年7月毕业于中国科学院兰州化学物理研究所物理化学专业,获理学博士学位。现为河南科技大学材料科学与工程学院副教授、河南科技大学青年学术带头人。长期从事材料摩擦和表面工程方面的科学研究与教学工作,在Wear、Surface Coatings and Technology、Surface and Interface、Surface an Interface Analysis、《摩擦学学报》等国内外重要期刊发表论文20余篇。xjpang2001@haust.edu.cn
谢金梦, 逄显娟, 赵若凡, 刘亚婷, 黄素玲, 王帅, 张永振. 不同摩擦配副对PEEK及CF/PEEK复合材料摩擦学性能的影响[J]. 材料导报, 2024, 38(16): 23030275-9.
XIE Jinmeng, PANG Xianjuan, ZHAO Ruofan, LIU Yating, HUANG Suling, WANG Shuai, ZHANG Yongzhen. Effects of Different Friction Pairs on the Friction Properties of PEEK and CF/PEEK Composites. Materials Reports, 2024, 38(16): 23030275-9.
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