Effect of Deposition Temperature on the High‐Temperature Corrosion Resistance of CrMoNbZr Medium‐Entropy Alloys Coatings
Source abstract
Abstract
A near‐equimolar CrMoNbZr coating with low thermal neutron cross sections is prepared on zircaloy‐4 substrate by radio frequency magnetron sputtering. The microstructure, mechanical properties, and surface wettability of the coatings prepared at different deposition temperatures are studied. The high‐temperature corrosion resistance of the CrMoNbZr coatings is investigated by a 40 d autoclave corrosion test with pure water containing 3.5 ppm lithium, 1000 ppm boron at 320 °C. The results indicate that the CrMoNbZr coatings are mainly composed of body‐centered cube‐structured nanocrystals, and the coating deposited at 300 °C has superior high‐temperature corrosion resistance and mechanical properties. Finally, the mechanism of high‐temperature corrosion is elucidated.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: High Entropy Alloys Studies · High-Temperature Coating Behaviors · Nuclear Materials and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Materials and Chemistry & Chemical Engineering Chengdu University of Technology Chengdu 610059 China
The First Affiliated Hospital Department of Medical Cosmetic Hengyang Medical School University of South China Hengyang Hunan 421001 China
College of Materials Science and Engineering Sichuan University of Science and Engineering Zigong 643000 China
Chengdu Qixing Vacuum Coating Technology Co., Ltd. Chengdu 610000 China
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