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

• DOI: 10.1142/s021797921744012x
• Publication Date: 2017-04-27T10:22:52Z
• Authors: X. M. Qin; Q. F. Zhang; X. Y. Duan; X. C. Wang; Y. H. Jiang; R. Zhou; J. Tan
• Keywords: 02 engineering and technology; 0210 nano-technology

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 Zr[Formula: see text]Co[Formula: text]Ni[Formula: text]Al[Formula: text] ([Formula: text], 2, 4 8; marked as Ni0, Ni2, Ni4 Ni8, respectively) investigated detail. The results show that, addition Ni, glass transition presents obvious dynamic characteristics, i.e., with increasing heating rate, all characteristic temperatures shifted higher temperature. By fitting Kissinger equation, activation energy Ni8 is highest, indicating that much more difficult crystallize. Therefore, alloy has strongest anti-crystallization ability investigated.