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10.3390/ma17133136
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Article

Glass-Forming Ability, Mechanical Properties, and Energetic Characteristics of ZrCuNiAlNbHfY Bulk Metallic Glasses

by
Xin Yu
1,
Jianbin Li
1,*,
Kaichuang Zhang
1,
Huijie Zhang
2,
Hao Wang
1,
Yuanhang Fang
3,
Yusong Ma
1,
Zhenxiong Wang
1,
Xinggao Zhang
1 and
Xiqiang Gai
1,*
1
Chemical Defense Institute, Academy of Military Sciences, Beijing 102205, China
2
School of Chemical Engineering/Xi’an Key Laboratory of Special Energy Materials, Northwest University, Xi’an 710069, China
3
School of Electromechanical Engineering, North University of China, Taiyuan 030051, China
*
Authors to whom correspondence should be addressed.
Materials 2024, 17(13), 3136; https://doi.org/10.3390/ma17133136
Submission received: 19 May 2024 / Revised: 16 June 2024 / Accepted: 21 June 2024 / Published: 26 June 2024
(This article belongs to the Section Metals and Alloys)
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Abstract

The effects of partially substituting Al for Cu in Zr59.62Cu18.4-xNi12Al6+xNb3Hf0.78Y0.2 (x = 0, 2, 4, 6, 8 at.%) bulk metallic glasses (BMGs) on their glass-forming ability (GFA), quasi-static and dynamic mechanical properties, and energy characteristics were investigated. The results showed that an appropriate substitution of Al for Cu can improve GFA and reach a critical casting size up to 10 mm. Additionally, with Al replacement of Cu, the change in the distribution and content of free volume inside the BMGs was the main reason for the quasi-static compression plasticity. In contrast, the BMGs exhibited no plasticity during dynamic compression and high-speed impact, owing to the short loading time and thermal softening effect. In terms of energy characteristics, all alloys have a high combustion enthalpy. And on the surface of the fragments collected from impact, the active elements Zr, Al, and Nb reacted because of the adiabatic temperature rise. Further, x = 4 at.% Zr-based BMG with its superior overall performance could penetrate a 6 mm Q235 plate at a speed of 1038 m/s, combining excellent mechanical properties and energy characteristics. This study contributes to the development of Zr-based BMGs as novel energetic structural materials.
Keywords: Zr-based bulk metallic glasses; glass-forming ability; mechanical properties; energetic characteristics Zr-based bulk metallic glasses; glass-forming ability; mechanical properties; energetic characteristics

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MDPI and ACS Style

Yu, X.; Li, J.; Zhang, K.; Zhang, H.; Wang, H.; Fang, Y.; Ma, Y.; Wang, Z.; Zhang, X.; Gai, X. Glass-Forming Ability, Mechanical Properties, and Energetic Characteristics of ZrCuNiAlNbHfY Bulk Metallic Glasses. Materials 2024, 17, 3136. https://doi.org/10.3390/ma17133136

AMA Style

Yu X, Li J, Zhang K, Zhang H, Wang H, Fang Y, Ma Y, Wang Z, Zhang X, Gai X. Glass-Forming Ability, Mechanical Properties, and Energetic Characteristics of ZrCuNiAlNbHfY Bulk Metallic Glasses. Materials. 2024; 17(13):3136. https://doi.org/10.3390/ma17133136

Chicago/Turabian Style

Yu, Xin, Jianbin Li, Kaichuang Zhang, Huijie Zhang, Hao Wang, Yuanhang Fang, Yusong Ma, Zhenxiong Wang, Xinggao Zhang, and Xiqiang Gai. 2024. "Glass-Forming Ability, Mechanical Properties, and Energetic Characteristics of ZrCuNiAlNbHfY Bulk Metallic Glasses" Materials 17, no. 13: 3136. https://doi.org/10.3390/ma17133136

APA Style

Yu, X., Li, J., Zhang, K., Zhang, H., Wang, H., Fang, Y., Ma, Y., Wang, Z., Zhang, X., & Gai, X. (2024). Glass-Forming Ability, Mechanical Properties, and Energetic Characteristics of ZrCuNiAlNbHfY Bulk Metallic Glasses. Materials, 17(13), 3136. https://doi.org/10.3390/ma17133136

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