Crystallization Behavior of Mg60Ni23.6La16.4 Metallic Glass

Wei Zhuang; Yu Lei Du

doi:10.4028/www.scientific.net/AMR.476-478.85

Paper Titles

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478Crystallization Behavior of Mg60Ni23.6La16.4...

Crystallization Behavior of Mg₆₀Ni_23.6La_16.4 Metallic Glass

Abstract:

Mg60Ni23.6La16.4 amorphous ribbon was prepared by melting-spinning method and the crystallization behavior was investigated by differential scanning calorimetry (DSC). The Mg60Ni23.6La16.4 crystallization process exhibits two stages of crystallization and shows an obviously kinetic nature. Isothermal DSC curves indicate that the crystallization is a nucleation-and-growth procedure. The activation energy analysis based on Kissinger Method shows that the growth process for the first crystallization procedure is more difficult than that for the second one. Calculation based on the Johnson-Mehl-Avrami (JMA) model shows that the primary crystallization starts from small crystalline grains with an increasing nucleation rate.

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Advanced Materials Research (Volumes 476-478)

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85-88

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https://doi.org/10.4028/www.scientific.net/AMR.476-478.85

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February 2012

Authors:

Wei Zhuang, Yu Lei Du

Keywords:

Crystallization Behavior, Metallic Glass, Thermal Analysis

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