Journal
MATERIALS TRANSACTIONS
Volume 59, Issue 10, Pages 1591-1595Publisher
JAPAN INST METALS
DOI: 10.2320/matertrans.M2018141
Keywords
plasma spray; high velocity oxy-fuel spray; detonation spray; iron-based amorphous coating
Funding
- Open-End Fund for the Valuable and Precision Instruments of Central South University
- Planned Science and Technology Project of Hunan Province, China [2015WK3013]
- Natural Science Foundation of Hunan Province [2016JJ5029]
- Military and Civilian Integration Industry Development foundation of Hunan Province [B116J1]
- China Postdoctoral Science Foundation [2013M531804, 2014T70784]
- Foundation of State Key Laboratory of Advanced Technology for Materials Synthesis and Processing (Wuhan University of Technology) [2015-KF-14]
- Foundation of State Key Laboratory of Powder Metallurgy (Central South University) [2014-SKL-33]
- Foundation of State Key Laboratory of Materials Processing and Die & Mould Technology (Huazhong University of Science and Technology) [P2016-20]
- Foundation of National Engineering Research Center of Near-Net-Shape Metal Materials (South China University of Technology) [2016003]
- Foundation of Guangdong Provincial Key Laboratory for Technology and Application of Metal Toughening (Guangdong Institute of Materials and Processing) [GKL201610]
- Scientific Research Project of Education Department of Hunan Province [13C314]
- West Light Foundation of the Chinese Academy of Sciences
- National Natural Science Foundation of China [51302272]
- Open-End Fund for the Valuable and Precision Instruments of Central South University (CSUZC) [201715]
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The microstructure and tribological properties of Fe-based amorphous coatings fabricated by plasma spray, high-velocity oxygen-fuel (HVOF) spray and detonation spray have been compared. The relationship between spray technique, amorphous content, porosity and wear resistance behavior was investigated. The microstructures of the coatings were mainly composed of amorphous phase. The amorphous content of the coatings made by various spray techniques were 79.39%, 85.26% and 88.14%, respectively. The coatings exhibited better wear resistance than the stainless steel substrate. The detonation sprayed coating obtained the best wear properties, and the wear mechanism was typical fatigue wear.
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