Microstructural Evolution of AlCuFeMnTi-0.75Si High Entropy Alloy Processed by Mechanical Alloying and Spark Plasma Sintering

• Autorzy: Kim Minsu , Sharma Ashutosh , Chae Myoung Jin , Lee Hansung , Ahn Byungmin

Identyfikatory

DOI

10.24425/amm.2021.136365

• Języki publikacji: EN

Abstrakty

EN

In this work, we have designed a new high entropy alloy containing lightweight elements, e.g., Al, Fe, Mn, Ti, Cu, Si by high energy ball milling and spark plasma sintering. The composition of Si was kept at 0.75 at% in this study. The results showed that the produced AlCuFeMnTiSi0.75 high entropy alloy was BCC structured. The evolution of BCC1 and BCC2 phases was observed with increasing the milling time up to 60 h. The spark plasma sintering treatment of milled compacts from 650-950°C showed the phase separation of BCC into BCC1 and BCC2. The density and strength of these developed high entropy alloys (95-98%, and 1000 HV) improved with milling time and were maximum at 850°C sintering temperature. The current work demonstrated desirable possibilities of Al-Si based high entropy alloys for substitution of traditional cast components at intermediate temperature applications.

Słowa kluczowe

EN

high entropy alloy; powder metallurgy; mechanical alloying; spark plasma sintering; high energy ball milling

• 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: 2021
• Tom: Vol. 66, iss. 3
• Strony: 703--707
• Opis fizyczny: Bibliogr. 16 poz., tys., tab., wykr.

Twórcy

autor

Kim Minsu

• Ajou University, Department of Materials Science and Engineering and Department of Energy Systems Research, 206 Worldcup-Ro, Suwon-Si, Gyeonggi 16499, Korea

autor

Sharma Ashutosh

• Ajou University, Department of Materials Science and Engineering and Department of Energy Systems Research, 206 Worldcup-Ro, Suwon-Si, Gyeonggi 16499, Korea

• https://orcid.org/0000-0003-0413-4623

autor

Chae Myoung Jin

• Ajou University, Department of Materials Science and Engineering and Department of Energy Systems Research, 206 Worldcup-Ro, Suwon-Si, Gyeonggi 16499, Korea

autor

Lee Hansung

• Ajou University, Department of Materials Science and Engineering and Department of Energy Systems Research, 206 Worldcup-Ro, Suwon-Si, Gyeonggi 16499, Korea

• https://orcid.org/0000-0001-5936-4114

autor

Ahn Byungmin

• Ajou University, Department of Materials Science and Engineering and Department of Energy Systems Research, 206 Worldcup-Ro, Suwon-Si, Gyeonggi 16499, Korea

• https://orcid.org/0000-0002-0866-6398

Bibliografia

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• [13] M. J. Chae, A. Sharma, M. C. Oh, B. Ahn, Met. Mater. Int. 27, 629 (2021).
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Uwagi

1. This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2021R1A2C1005478).

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).