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- Title
Fabrication and Characterization of Thermal-Sprayed Fe-Based Amorphous/Nanocrystalline Composite Coatings: An Overview.
- Authors
Guo, Wenmin; Wu, Yuping; Zhang, Jianfeng; Hong, Sheng; Li, Gaiye; Ying, Guobing; Guo, Ji; Qin, Yujiao
- Abstract
This review focuses on the recent development of iron (Fe)-based amorphous/nanocrystalline composite coatings, which have attracted much attention due to their attractive combination of high hardness/strength, elevated abrasive wear resistance, and enhanced corrosion resistance. Accompanying the advancements in various thermal spray technologies, industrial application fields of Fe-based amorphous/nanocrystalline composite coatings are becoming more diverse. In the main part, the typical empirical rules for the design of amorphous alloys with high glass-forming ability are generalized and discussed at first. Then various thermal spray technologies for the fabrication of Fe-based amorphous/nanocrystalline composite coatings, such as high velocity oxygen/air spray (HVOF/HVAF), air plasma spray (APS), low-pressure plasma spray (LPPS), high-energy plasma spray (HPS), and high velocity arc spray (HVAS) processes, are introduced. The microstructures, hardness, wear resistance, and corrosion resistance of Fe-based amorphous/nanocrystalline composite coatings formed using these thermal spray technologies are reviewed and compared. Finally, the existing challenges and future prospects are proposed.
- Subjects
METAL spraying; CORROSION resistance; NANOCOATINGS; FRETTING corrosion; IRON; NANOFABRICATION
- Publication
Journal of Thermal Spray Technology, 2014, Vol 23, Issue 7, p1157
- ISSN
1059-9630
- Publication type
Article
- DOI
10.1007/s11666-014-0096-z