Microstructure and Wear Property of In-Situ Oxide Reinforced CrMnFeCoNi High Entropy Alloy Composite Fabricated by Selective Laser Melting

• Autorzy: Park So-Yeon , Park Joon Pyo , Lee Kee-Ahn

Identyfikatory

DOI

10.24425/amm.2024.149764

• Języki publikacji: EN

Abstrakty

EN

CrMnFeCoNi high entropy alloy (HEA) which had nano oxide particles formed during additive manufacturing process was fabricated using a selective laser melting (SLM) process (hereinafter SLM Cantor HEA). The microstructure of the fabricated SLM Cantor HEA and the wear properties according to the applied load (5 N, 15 N) were investigated. SLM Cantor HEA was consist of nano-size oxides and high dislocation density, resulting in superior hardness compared to conventional processed CrMnFeCoNi HEA. As a result of the wear test, it showed abrasive and oxidative wear behavior regardless of applied load. But in case of 15 N load condition, it showed more finer worn microstructure with increased wear load, and had a contradictory effect on each friction coefficient and wear rate. Based on the above results, the wear mechanism of in-situ oxide reinforced SLM Cantor HEA was discussed in relation with the microstructure.

Słowa kluczowe

EN

selective laser melting; CrMnFeCoNi high entropy alloy; in-situ formed oxide; wear; microstructure

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2024
• Tom: Vol. 69, iss. 2
• Strony: 447--452
• Opis fizyczny: Bibliogr. 27 poz., fot., rys.

Twórcy

autor

Park So-Yeon

• Inha University, Department of Materials Science and Engineering, Incheon, Korea

• https://orcid.org/0000-0001-6012-2294

autor

Park Joon Pyo

• Inha University, Department of Materials Science and Engineering, Incheon, Korea

• https://orcid.org/0009-0004-6834-8529

autor

Lee Kee-Ahn

• Inha University, Department of Materials Science and Engineering, Incheon, Korea

• https://orcid.org/0000-0003-2149-3871

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Uwagi

1. This study was supported by National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2022R1A2C3006964).

2. Błędna numeracja bibliografii.