期刊
SCRIPTA MATERIALIA
卷 53, 期 6, 页码 681-685出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2005.05.025
关键词
glass transition; primary crystallization; heating rate; Al-based metallic glass
The kinetics of glass transition and the primary crystallization of Al88Gd6Er2Ni4 metallic glass have been investigated by differential scanning calorimetry. The crystallization kinetics have a stronger dependence on the heating rate than the glass transition does and hence T-g is only detectable at heating rates above 0.67 K/s. The activation energies for the primary crystallization are different depending on the state of the matrix phase, i.e. amorphous solid or supercooled liquid. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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