Oxidation and Wear Mechanisms of FeCoCrNiMnAlx Cladding Layers at High-Temperature Condition
Source abstract
Abstract
FeCoCrNiMnAlx high-entropy alloy (HEA) cladding layers were successfully fabricated on H13 steel by laser cladding. The microstructure and properties of the FeCoCrNiMnAlx HEA cladding layers were systematically studied. The influence of Al content on high-temperature wear resistance of HEAs was investigated by depth-of-field microscopy, XRD, SEM and EDS. Addition of Al element affected the mechanism of oxidation and strengthening of the cladding layers, and effectively promoted its anti-oxidant and abrasion resistance. Compared with the FeCoCrNiMn cladding layer, the FeCoCrNiMnAl0.75 cladding layer enhanced the anti-plastic deformation capacity by 7.1% and reduced oxidation weight gain and total wear weight loss at high temperature by 36.79% and 79.0%, respectively. The wear mechanisms of the cladding layer at high temperature were mainly oxidation wear and abrasive wear, while adhesive wear took a backseat.
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Research context
OpenAlex topics: High Entropy Alloys Studies · High-Temperature Coating Behaviors · Additive Manufacturing Materials and Processes
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Tianjin Key Laboratory of Advanced Joining Technology, Tianjin University, Tianjin 300354, China
School of Materials Science and Engineering, Tianjin University, Tianjin 300354, China
School of Mechanical Engineering, Tianjin Sino-German University of Applied Sciences, Tianjin 300350, China
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