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Research on tribological behaviors of composite Zn/ZnS coating under dry condition |
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| Authors: | Jia-jie Kang Cheng-biao WangHai-dou Wang Bin-shi XuJia-jun Liu Guo-lu Li |
| Institution: | a School of Engineering and Technology, China University of Geosciences, Beijing 100083, China b National Key Lab for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China c Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China d School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China |
| Abstract: | A composite Zn/ZnS coating was prepared by a novel compound technology-combining high velocity arc spraying and low temperature ion sulfurizing in this paper. The surface and cross-section morphologies were observed by scanning electron microscopy (SEM). The X-ray diffraction (XRD) pattern for the Zn/ZnS coating implies that it mainly consists of Zn and ZnS. The nanohardness and elastic modulus were measured by a nano-indentation tester. The tribological behaviors were investigated on a ball-on-disk wear tester under dry condition. The results showed that the friction coefficient and worn depth of the composite Zn/ZnS coating were low and stable, indicating that it had excellent friction-reduction and anti-wear properties under dry condition. |
| Keywords: | High velocity arc spraying method Low temperature ion sulfurizing Composite Zn/ZnS coating Tribological behavior |
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