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Dependence of GFA and Crystallization Behaviors of Al 86 Ni 9 La 5 Metallic Glass on Its Original Liquid State
Author(s) -
Wang ZhiZhi,
Zu FangQiu,
Zhang Zhang,
Cui Xiao,
Wang LiFang,
Sun GuoDong
Publication year - 2012
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201200071
Subject(s) - crystallization , amorphous metal , materials science , intermetallic , glass transition , electrical resistivity and conductivity , atmospheric temperature range , amorphous solid , liquid state , alloy , differential thermal analysis , analytical chemistry (journal) , metallurgy , thermodynamics , composite material , crystallography , polymer , chemistry , chromatography , diffraction , physics , optics , electrical engineering , engineering
Abstract During the heating process the temperature‐induced liquid–liquid structure transition (LLST) of Al 86 Ni 9 La 5 melt from 1320 to 1490 K was identified by both electrical resistivity and differential thermal analysis measurement. The effects of liquid structural change on the crystallization behavior and glass forming ability (GFA) of Al 86 Ni 9 La 5 alloy were investigated. The amorphous samples prepared at different melt temperatures according to the liquid states were obtained. The results showed that the formation of intermetallic compounds during the crystallization process of the samples prepared below and within the LLST temperature range was earlier than that prepared above the LLST temperature range. The sample prepared above the LLST temperature range had the lowest GFA.

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