Effect of adding W particles on the crystallization behaviour of Zr55Cu30Al10Ni5 amorphous alloy

被引：2

作者：

Chi, Junhan ^{[1
]}

Hu, Huie ^{[1
]}

Jin, Haoyu ^{[1
]}

Ma, Yunfei ^{[2
]}

Su, Xiaohong ^{[1
]}

机构：

[1] Naval Univ Engn, Dept Chem & Mat, 717 Jiefang Ave, Wuhan 430033, Hubei, Peoples R China

[2] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2024年 / 625卷

关键词：

Amorphous alloy; Zr-based amorphous composites; Thermal stability; Crystallization process; BULK METALLIC-GLASS; KINETICS; TEMPERATURE; FRAGILITY;

D O I：

10.1016/j.jnoncrysol.2023.122777

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The influence of W particles (Wp) addition on the crystallization behaviour was studied by comparing crystallization processes of Zr55Cu30Al10Ni5 amorphous alloy and Wp/Zr55Cu30Al10Ni5 amorphous composites by DSC, In-situ XRD and SEM/EDS. Results showed that Wp addition increased Tg, decreased Tx, Tp, and Delta T, resulting in a decrease in the thermal stability of the amorphous alloy. Wp could play a role of non-spontaneous nucleation and promoted the crystallization process. At the same time, Wp increased the internal viscosity, hindered the growth process of grains and led to a higher crystallization-activation energy. The nucleation growth process was mainly controlled by diffusion, and the nucleation rate decreased with increasing time. The crystallization products are primarily comprised the Zr2Cu phase, accompanied by a small amount of the Zr6Ni8Al15 phase as well as some unknown phases.

引用

页数：9

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