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Lamellar bonding enhanced NiCr-Mo coating with comparable erosion resistance to similar bulk by plasma-spraying shell-core-structured powders

  • Xi'an Jiaotong University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

NiCr-Mo composite coating was prepared by plasma spraying of shell-core-structured NiCr-Mo powders. The morphologies of the NiCr-Mo powders and microstructure of the corresponding NiCr-Mo coating were characterized by SEM. Furthermore, the erosion behavior of the NiCr-Mo coating at impact angles of both 30° and 90° was investigated, and was further compared with that of the Ni20Cr coating and the ln-738 alloy bulk. Results showed that fully-dense and homogenous NiCr-Mo coating with excellent interface bonding and no pure Mo inclusions was obtained. Furthermore, the erosion test results showed that the erosion rate of the optimized NiCr-Mo coating is lower than that of NiCr coating at both impact angles. Moreover, the NiCr-Mo coating presented excellent erosion resistance which was comparable as that of ln-738 alloy bulk, attributing to the fully-dense microstructure and metallurgical interface bonding within coating.

源语言英语
主期刊名International Thermal Spray Conference and Exposition, ITSC 2017
出版商ASM International
193-199
页数7
ISBN(电子版)9781510858220
出版状态已出版 - 2017
活动International Thermal Spray Conference and Exposition, ITSC 2017 - Dusseldorf, 德国
期限: 7 6月 20179 6月 2017

出版系列

姓名Proceedings of the International Thermal Spray Conference
1

会议

会议International Thermal Spray Conference and Exposition, ITSC 2017
国家/地区德国
Dusseldorf
时期7/06/179/06/17

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