Journal
SURFACE & COATINGS TECHNOLOGY
Volume 441, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2022.128532
Keywords
Magnetron sputtering; HEA coating; Corrosion resistance
Funding
- National Natural Science Foundation of China [U2067218]
- Central Government Funds of Guiding Local Scientific and Technological Development for Sichuan Province [2021ZYD0028]
- State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization [2020P4FZG02A]
- Open Foundation of State Key Laboratory of Electronic Thin Films and Integrated Devices [KFJJ202004]
- Key Science and Technology Project of Zigong City [2019GYCX19]
- Opening Project of Material Corrosion and Protection Key Laboratory of Sichuan Province [2020CL17]
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This study prepared TiVZrCrAl high entropy alloy (HEA) coatings on Zr-4 alloys using radio frequency magnetron sputtering (RFMS) technology and investigated the effect of deposition temperature on the properties of the coatings. The results showed that the coating deposited at 300 degrees C exhibited excellent corrosion resistance in static pure water.
The TiVZrCrAl high entropy alloy (HEA) coatings with different deposition temperatures were prepared on Zr-4 alloys by using radio frequency magnetron sputtering (RFMS) technology. The effect of the deposition temperature on the microstructure and mechanical performance of the coatings was studied. In addition, the corrosion properties of the coating deposited at 300 degrees C were tested in static pure water at 320 degrees C and 11.3 MPa for 45 days. The mechanism for the corrosion progress of the TiVZrCrAl HEA coating was assessed in detail. The result shows that AlVO4 formation is beneficial to prevent the dissolution of Al in the form of AlOOH, and finally enhance the anti-corrosion properties of the Zr-4 substrate.
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