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Tribological behaviour at various temperatures of WC-Co coatings prepared using different thermal spraying techniques
Geng, Z; Hou, SH; Shi, GL; Duan, DL; Li, S; Duan, DL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2016-12-01
发表期刊TRIBOLOGY INTERNATIONAL
ISSN0301-679X
卷号104页码:36-44
摘要Tribological performance of WC-12Co coatings prepared via air plasma spraying (APS), low-pressure plasma spraying (LPPS) and high-velocity air-fuel spraying (HVAF) at temperatures ranging from room temperature (RT, similar to 25 degrees C) to 650 degrees C was investigated. Relationships between the microstructure and tribological behaviour of coatings were discussed. Results show that the plasma-sprayed coatings exhibited more brittle phases, pores and microcracks, which provided the coatings with low hardness, toughness and oxidation resistance, promoted the coating splat delamination during friction and consequently led to the high wear rate. The HVAF coating had fewer brittle phases, fewer pores and more WC particles, which improved the mechanical properties and oxidation resistance, avoided the coating splat delamination, promoted CoWO4 formation and consequently exhibited the better wear resistance. (C) 2016 Elsevier Ltd. All rights reserved.
部门归属[geng, zhe ; shi, gaolian] suzhou inst ind technol, dept precis mfg engn, suzhou 215104, peoples r china ; [hou, sihan ; duan, deli ; li, shu] chinese acad sci, inst met res, shenyang 110016, peoples r china
关键词Wc-co Coating High Temperature Friction And Wear Microstructure
学科领域Engineering, Mechanical
资助者Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP) [PPZY2015B186]; Natural Science Foundation of Jiangsu Province, China [BK20160353]; Natural Science Foundation of the Jiangsu Higher Education Institutions of China [16KJB460032]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76171
专题中国科学院金属研究所
通讯作者Duan, DL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Geng, Z,Hou, SH,Shi, GL,et al. Tribological behaviour at various temperatures of WC-Co coatings prepared using different thermal spraying techniques[J]. TRIBOLOGY INTERNATIONAL,2016,104:36-44.
APA Geng, Z,Hou, SH,Shi, GL,Duan, DL,Li, S,&Duan, DL .(2016).Tribological behaviour at various temperatures of WC-Co coatings prepared using different thermal spraying techniques.TRIBOLOGY INTERNATIONAL,104,36-44.
MLA Geng, Z,et al."Tribological behaviour at various temperatures of WC-Co coatings prepared using different thermal spraying techniques".TRIBOLOGY INTERNATIONAL 104(2016):36-44.
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