不同摩擦配副对PEEK及CF/PEEK复合材料摩擦学性能的影响

doi:10.11896/cldb.23030275

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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.

Key words： PEEK composites Al₂O₃ ceramic GCr15 bearing steel Si₃N₄ ceramic dry friction

Published: 25 August 2024 Online: 2024-09-10

CLC number:

TB332

Fund:National Natural Science Foundation of China (92266205, 52105181),Ningbo’s Key Research and Development Plan and ‘Unveiling and Commanding’ (2022Z050), and Henan University of Science and Technology Undergraduate Research and Training Program (2022183).

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	XIE Jinmeng
	PANG Xianjuan
	ZHAO Ruofan
	LIU Yating
	HUANG Suling
	WANG Shuai
	ZHANG Yongzhen

Cite this article:

XIE Jinmeng,PANG Xianjuan,ZHAO Ruofan, et al. Effects of Different Friction Pairs on the Friction Properties of PEEK and CF/PEEK Composites[J]. Materials Reports, 2024, 38(16): 23030275-9.

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http://www.mater-rep.com/EN/10.11896/cldb.23030275 OR http://www.mater-rep.com/EN/Y2024/V38/I16/23030275

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