Microstructure and Micromechanical Behaviors of Bulk Amorphous Alloy Prepared by Spark Plasma Sintering

• Autorzy: Ge Yaqiong , Chang Zexin , Wang Wenxian , Hou Qingling

Identyfikatory

DOI

10.24425/amm.2023.141468

• Języki publikacji: EN

Abstrakty

EN

This study aimed to prepare Zr55Cu30Al10Ni5 bulk amorphous alloys by spark plasma sintering of raw amorphous alloy powders and investigate their microstructure and micromechanical behaviors. When the sintering temperature (T_s) was 675K, which was lower than the glass transition temperature (T_g) of the material, the sintered sample was almost fully amorphous but the density was lower. However, when T_s was 705K, which was higher than T_g, partial crystallization occurred, but the density was higher. The hardness of the bonding zone of the sintered sample at 675K was 5.291 GPa due to the lower density, which was lower than that at 705K, and the hardness at 705K was 8.836 GPa. The generation of thermodynamically stable intermetallic phases, the hardness, and the elastic modulus of the samples sintered above T_g were higher due to the higher density.

Słowa kluczowe

EN

bulk amorphous alloy; spark plasma sintering; microstructure; micromechanical behaviors

• 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: 2023
• Tom: Vol. 68, iss. 1
• Strony: 31--36
• Opis fizyczny: Bibliogr. 19 poz., fot., rys., tab., wykr.

Twórcy

autor

Ge Yaqiong

• Taiyuan University of Science and Technology, College of Materials Science and Engineering, Taiyuan 030024, China

autor

Chang Zexin

• Taiyuan University of Science and Technology, College of Materials Science and Engineering, Taiyuan 030024, China

autor

Wang Wenxian

• Taiyuan University of Science and Technology, College of Materials Science and Engineering, Taiyuan 030024, China

autor

Hou Qingling

• Taiyuan University of Science and Technology, College of Materials Science and Engineering, Taiyuan 030024, China

Bibliografia

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Uwagi

1. This project was supported by Supported by Fundamental Research Program of Shanxi Province (No.202103021224266, No.202103021223297), Shanxi Scholarship Council of China (No. 2021-139) and Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (No. 2021L307).

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).