Comparison of tribological behavior of nylon composites filled with zinc oxide particles and whiskers |
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| Authors: | Shibo Wang Shirong Ge Dekun Zhang |
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| Affiliation: | 1. College of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, PR China;2. Institute of Tribology and Reliability, China University of Mining and Technology, Xuzhou, Jiangsu 221116, PR China;1. State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China;2. System Engineering Institute of Sichuan Aerospace, Chengdu 610100, China;3. Department of Chemical and Biochemical Engineering, Faculty of Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada;1. Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China;2. University of Chinese Academy of Sciences, Beijing 100049, PR China;1. Centre for Automotive Technology, Cranfield University, Bedford MK43 0AL, UK;2. Institute for Innovation, Design and Sustainability, School of Engineering, Robert Gordon University, Aberdeen AB10 7GJ, UK;3. Laviosa Chimica Mineraria, Via Leonardo da Vinci, 21 I-57123 Livorno, Italy |
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| Abstract: | Mechanical properties and tribological behavior of nylon composites filled with zinc oxides were investigated in this paper. Different effects of ZnO particles and ZnO whiskers filling on the friction and wear behavior of nylon 1010 (PA1010) composites under dry friction condition were observed. The hardness, tensile strength and scratch coefficients of two kinds of nylon composites filled with the ZnO particles and whiskers were measured. Experimental results show that ZnO particles and ZnO whiskers improve the mechanical and tribological properties of nylon composites without affecting the crystallinity of nylon matrix. Hardness, tensile strength and scratch coefficient of composites are increased by the addition of ZnO particles and ZnO whiskers. Filler shape has little effect on the friction coefficients of nylon-based composites. These composites filled with particles and whiskers have nearly the same friction coefficients which locate between 0.4 and 0.45. The wear rates of composites are strongly dependent on filler shape and filler content. Particle-filled composites exhibit the lower wear rates than whisker-filled composites when the content of filler is lower than 10 wt.%. After that, the case is reversed. Ploughing and adhesion are the main wear mechanisms of composites with the addition of both ZnO particles and ZnO whiskers. |
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