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Meeting MS&T25: Materials Science & Technology
Symposium High-Entropy Materials: Solid Solutions, Intermetallics, Ceramics, Functional Materials and Beyond VI
Presentation Title Wear and oxidation mechanism transitions in MEAs and HEAs from room temperature to 1,000° C
Author(s) Yu Zou
On-Site Speaker (Planned) Yu Zou
Abstract Scope Many machine components are operated in dry sliding, elevated temperature, and oxidizing environments, leading to material failure or loss of functionality. Despite previous wear studies on conventional alloys, wear-related properties in high-entropy alloys (HEAs) and medium-entropy alloys (MEAs) up to 1000 °C are rarely reported. Here we systematically study the high-temperature hardness, wear behaviours and oxidation mechanisms of MEAs and HEAs from room temperature to 1000 °C. This study provides a fundamental understanding of the effect of principal elements on the wear performance in FeCoNi and CrCoNi-related MEAs and HEAs.

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