期刊
SURFACE & COATINGS TECHNOLOGY
卷 218, 期 -, 页码 127-136出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2012.12.041
关键词
HVAF; WC-CoCr coating; Abrasive wear; Sliding wear; Electrochemical corrosion
资金
- Project of Training Targets of Young Key Teachers of Common College & University in Hunan Province
- Fundamental Research Funds for the Central University
- Projection of Young Teacher's Growth
This study compares three types of WC-10Co4Cr coatings deposited with high-velocity oxygen fuel (HVOF) and high-velocity air fuel (HVAF) spraying processes. The experimental results indicated that the decarburisation of the WC in the WC-10Co4Cr coating was dramatically influenced by the spraying equipment, and the non-WC phase content in the as-sprayed coatings greatly influenced their performances. The HVAF-sprayed WC-10Co-4Cr coating revealed the lowest degree of decarburisation, achieving the best properties in terms of hardness, fracture toughness, abrasive and sliding wear as well as electrochemical corrosion resistance when compared to the two HVOF-sprayed WC-10Co-4Cr coatings. (C) 2013 Elsevier B.V. All rights reserved.
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