Evaluation of Glass-Forming Ability for Metallic Melts by Phase Field Approach

Abstract:

Evaluation of glass-forming ability (GFA) is important in the development of amorphous alloys. Based on phase field theory, the kinetic model of liquid-to-solid phase transition is build, and the time-temperature-transformation (TTT) diagram is plotted according to the phase field simulations of isothermal phase transformation kinetics for a model system. Furthermore, the critical cooling rate for glass formation is calculated on the basis of the TTT curve and is taken as the intrinsic criteria of reflecting the GFA for metallic melts.

• Periodical: Advanced Materials Research (Volumes 490-495)
• Pages: 3129-3133
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.490-495.3129
• Online since: March 2012
• Authors: Gang Wang, De Chang Zeng, Zhong Wu Liu
• Keywords: Amorphous Alloy, Critical Cooling Rate, Glass Forming Ability (GFA), Phase Field Simulation

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