Experimental Study on Piston Pin Coating
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CHEN Bo; ZHANG Limin; ZHAO Zhiqiang; GAO Liying

doi:10.3969/j.issn.1001-2222.2019.02.009

Vehicle Engine >

2019 , Vol. 0 >Issue 2: 56 - 59

DOI: https://doi.org/10.3969/j.issn.1001-2222.2019.02.009

Experimental Study on Piston Pin Coating

CHEN Bo ,
ZHANG Limin ,
ZHAO Zhiqiang ,
GAO Liying

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（1.North University of China,Taiyuan 030051,China;〖JZ〗2.China North Engine Research Institute（Tianjin）,Tianjin 300400,China）

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Abstract

Based on the endurance test plan of piston pin coating, piston pin coated with CrN and DLC was tested with the swing friction pair test rig. The friction temperature increase and macroscopic wear morphology were then analyzed. The results indicated that temperature increase of piston pin with CrN and DLC coating was obviously lower than that without coating. In addition, the piston pin with CrN coating had a better wear resistance and antiadhesive performance and the piston pin with DLC coating had a better antifriction performance.

Key words： piston pin; coating; friction test

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CHEN Bo , ZHANG Limin , ZHAO Zhiqiang , GAO Liying . Experimental Study on Piston Pin Coating [J]. Vehicle Engine, 2019 , 0(2) : 56 -59 . DOI: 10.3969/j.issn.1001-2222.2019.02.009

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