1. Non-isothermal crystallization behavior of Cr50Fe6Co7Mo14C15B6Y2 metallic glass with super high content of Cr and integrated merits
- Author
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Jiahui Li, Xiaorong Fan, Yinghui Geng, Limei Zhang, Xiaorong Huang, Hengyue Xie, Tao Xu, Meng Li, Longchao Zhuo, Zhenting Liu, and Zengyun Jian
- Subjects
Metallic glass with high content of Cr ,Non-isothermal crystallization behavior ,Avrami exponent ,Activation energy ,Kinetic fragility parameter ,Mining engineering. Metallurgy ,TN1-997 - Abstract
In present work, non-isothermal crystallization behavior for novel Cr50Fe6Co7Mo14C15B6Y2 metallic glass (MG) with super high content of Cr and excellent merits was investigated by differential scanning calorimeter and X-ray diffraction. Both of the Kissinger and Ozawa methods show that the present glass transition is much harder than other transitions for a much larger apparent activation energy (E). While, the growth process of present second crystallization event is the easiest process, since it possesses the smallest E. Meanwhile, the local activation energy established by Kissinger-Akahira-Sunose and Ozawa-Flynn-Wall methods both exhibit a trend of increasing to the maximum value at first and then gradual decrease until the finish of the crystallization, indicating that the difficulty increases until to the maximum at first and then gradually decreases during crystallization. Moreover, all the local Avrami exponent n(x) possesses a value of about 0 < n(x)
- Published
- 2024
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