Effect of Ti and Al ratio on glass forming ability and crystallization behavior of Zr-Cu-Al-Ti alloy powders

被引：4
|
作者：
An, Q. [1 ]
Zhou, Guang [1 ]
Cai, A. H. [1 ]
Li, P. W. [1 ]
Ding, D. W. [2 ,3 ]
Zhou, G. J. [1 ]
Yang, Q. [1 ]
Mao, H. [1 ]
机构：
[1] Hunan Inst Sci & Technol, Coll Mech Engn, Yueyang 414000, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
[3] Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China
来源：
THERMOCHIMICA ACTA | 2022年 / 710卷
基金：
中国国家自然科学基金;
关键词：
Amorphous alloy composite powder; Al and Ti ratio; Crystallization; Zr-based alloys; BULK METALLIC-GLASS; ISOTHERMAL CRYSTALLIZATION; MECHANICAL-PROPERTIES; THERMAL-STABILITY; KINETICS; NI; CONSOLIDATION; CORROSION; PLASTICITY; AG;
D O I：
10.1016/j.tca.2022.179163
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The effect of Al and Ti ratio on glass forming ability and crystallization characteristics of the ball milled Zr-Al-TiCu amorphous alloy composite powders are systematically investigated. The evolution of crystallization phases for the studied alloys during ball milling is CuZr2 +Al2Zr+Ti(Al,Cu)(2) -> Al2Zr+Ti(Al, Cu)(2)+Fe1.945C0.055+Amorphous -> Amorphous+Fe1.945C0.055. However, the duration for the formation of amorphous phase is longer for high Al and Ti ratio alloy than for low Al and Ti ratio alloy. The thermal stability of low Al and Ti ratio amorphous alloy composite powders is lower than that of high Al and Ti ratio ones. The crystallization is more difficult for high Al and Ti ratio alloy composite powders than for low Al and Ti ratio ones. The crystallization mechanism for the two alloys nearly depends on the heating rates and the annealing temperatures. The detailed crystallization mechanism of isochronal and isothermal modes are discussed.
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收藏
页数：14
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