Effects of nickel on the crystallization of Zr70Cu20Ni10 amorphous alloy
Wang Huan-Rong (王焕荣)a, Ye Yi-Fu (叶以富)ab, Zhang Jun-Yan (张均艳)a, Teng Xin-Ying (滕新营)a, Min Guang-Hui (闵光辉)a, Shi Zhi-Qiang (石志强)a, Tian Xue-Lei (田学雷)a,
a Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China; b College of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
Abstract Differential scanning calorimetry (DSC) and x-ray diffraction (XRD) are employed to investigate the effects of nickel on the crystallization of the amorphous Zr70Cu20Ni10 alloy. We have found that the crystallization process of the amorphous Zr70Cu20Ni10 alloy is strongly influenced by the addition of nickel. Addition of 10 at% Ni to the Zr70Cu30 amorphous alloy makes the crystallization process proceed from a single-stage mode to a double-stage mode. The activation energy for crystallization of the amorphous Zr70Cu20Ni10 alloy is calculated to be about 388kJ·mol-1 on the basis of the Kissinger equation. The effects of nickel on the crystallization of the amorphous Zr70Cu20Ni10 alloy are discussed in terms of the genetics of metals.
Received: 06 December 2001
Revised: 28 February 2002
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant No 59871025).
Cite this article:
Wang Huan-Rong (王焕荣), Ye Yi-Fu (叶以富), Zhang Jun-Yan (张均艳), Teng Xin-Ying (滕新营), Min Guang-Hui (闵光辉), Shi Zhi-Qiang (石志强), Tian Xue-Lei (田学雷) Effects of nickel on the crystallization of Zr70Cu20Ni10 amorphous alloy 2002 Chinese Physics 11 592
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