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Glass Forming Ability and Non-Isothermal Crystallization Kinetics of Zr64Al10.1Cu11.7Ni14.2 Metallic Glass

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Abstract:

The glass forming ability, thermal stability and non-isothermal crystallization kinetics of Zr64Al10.1Cu11.7Ni14.2 glass forming alloy were investigated. Its maximum glass forming dimension is up to 5mm and its critical cooling rate is less than 40Ks-1. The apparent activation energies derived from the Kissinger for Eg, Ex, Ep1 and Ep2 are 244.97±12.90, 264.63±10.18, 268.75±40.10 and 222.34±24.12 KJmol-1, respectively. The fragility parameter m is about 20.27, indicating its better thermal stability and glass forming ability.

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Periodical:

Advanced Materials Research (Volumes 139-141)

Pages:

493-497

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.139-141.493

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Online since:

October 2010

Authors:

Wei Ke An, An Hui Cai, Yun Luo, Tie Lin Li, Xiao Song Li

Keywords:

Glass Forming Ability (GFA), Metallic Glass, Non-Isothermal Crystallization, Thermal Stability

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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