On the crystallization kinetics of Zr-(Co, Ni)-Al bulk metallic glasses

被引：2

作者：

Qin, X. M. ^{[1
]}

Zhang, Q. F. ^{[1
]}

Duan, X. Y. ^{[1
]}

Wang, X. C. ^{[1
]}

Jiang, Y. H. ^{[1
]}

Zhou, R. ^{[1
]}

Tan, J. ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Sch Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2017年 / 31卷 / 16-19期

基金：

高等学校博士学科点专项科研基金;

关键词：

Metallic glass; anti-crystallization; kinetics; glass transition activation energy; METASTABLE SOLID SOLUTIONS; MECHANICAL-PROPERTIES; ALLOYS; STRENGTH; PLASTICITY; EVOLUTION;

D O I：

10.1142/S021797921744012X

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Zr-based amorphous alloys are promising materials applied in engineering field, due to their strong glass-forming ability, outstanding mechanical properties and relatively low cost. In this work, the crystallization kinetics of Zr56Co18-xNixAl16 (x = 0, 2, 4 and 8; marked as Ni0, Ni2, Ni4 and Ni8, respectively) alloys are investigated in detail. The results show that, due to the addition of Ni, the glass transition of the alloys presents obvious dynamic characteristics, i.e., with the increasing heating rate, all characteristic temperatures are shifted to higher temperature. By fitting the Kissinger equation, the glass transition activation energy of Ni8 is the highest, indicating that Ni8 is much more difficult to crystallize. Therefore, the Ni8 alloy has the strongest anti-crystallization ability in the Zr56Co18-xNixAl16 alloys investigated.

引用

页数：5

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