Influence of molten salt with or without V2O5 on hot corrosion and high-temperature tribological performance of HVOF-sprayed Ni-based self-lubricating composite coating | |
Enkang Hao2,3; Yijing Wang2,3; Xiaoqin Zhao3; Meizhen Gao1; Jianmin Chen2,3; Yulong An2,3; Fengyuan Yan2 | |
刊名 | Surface & Coatings Technology |
2021 | |
期号 | 417页码:1-12 |
关键词 | Molten salt Hot corrosion High-temperature friction and wear Interaction mechanism |
DOI | https://doi.org/10.1016/j.surfcoat.2021.127210 |
英文摘要 | The NiCoCrAlYTa/10Ag/5Mo self-adaptive lubricating composite coating was designed and prepared by high velocity oxy-fuel (HVOF) spraying technology, and its hot corrosion and high-temperature tribological behaviors as well as the interaction mechanisms were investigated. A tremendous amount of β -Ag2MoO4 generated on the surface and acted as a lubricant film during friction when the composite coating was oxidized in no salt condition. The oxidizing process would be accelerated while the composite coating was exposed to molten salt mixtures. The boundaries between the reinforcement and matrix phases in the coating were firstly corroded and then produced NiO, Al2O3, Cr2O3 and the other porous oxides. And there was a continuous and protective rich-(Al, Cr) oxide scale on the surface of composite coating after molten 75Na2SO4 + 25NaCl and 75Na2SO4 +20NaCl +5V2O5 (wt%) salts corrosion. Besides, the mechanical and tribological properties of the corroded |
URL标识 | 查看原文 |
语种 | 英语 |
WOS记录号 | WOS:000655577700020 |
内容类型 | 期刊论文 |
源URL | [http://ir.licp.cn/handle/362003/27923] |
专题 | 兰州化学物理研究所_先进润滑与防护材料研究发展中心 |
通讯作者 | Xiaoqin Zhao; Yulong An |
作者单位 | 1.Key Lab for Magnetism and Magnetic Materials of MOE, School of Physical Science and Technology, Lanzhou University 2.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences 3.Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences |
推荐引用方式 GB/T 7714 | Enkang Hao,Yijing Wang,Xiaoqin Zhao,et al. Influence of molten salt with or without V2O5 on hot corrosion and high-temperature tribological performance of HVOF-sprayed Ni-based self-lubricating composite coating[J]. Surface & Coatings Technology,2021(417):1-12. |
APA | Enkang Hao.,Yijing Wang.,Xiaoqin Zhao.,Meizhen Gao.,Jianmin Chen.,...&Fengyuan Yan.(2021).Influence of molten salt with or without V2O5 on hot corrosion and high-temperature tribological performance of HVOF-sprayed Ni-based self-lubricating composite coating.Surface & Coatings Technology(417),1-12. |
MLA | Enkang Hao,et al."Influence of molten salt with or without V2O5 on hot corrosion and high-temperature tribological performance of HVOF-sprayed Ni-based self-lubricating composite coating".Surface & Coatings Technology .417(2021):1-12. |
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