A Modified Glass Formation Criterion for Various Glass Forming Liquids with Higher Reliability
查看参考文献37篇
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文摘
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A modified indicator of the glass forming ability (GFA) from the previous γ = T_x/(T_l+T_g) for various glass forming liquids is proposed based on a conceptual approach which combines more acceptable physical metallurgy views in terms of the time-temperature-transformation diagrams. It is found that the glass forming ability for glass forming liquids is closely associated mainly with two factors, i.e. (2T_x-T_g) and T_l (wherein T_x is the onset crystallization temperature, T_g the glass transition temperature, and T_l the liquidus temperature), and could be predicated by a unified parameter γm defined as (2T_x-T_g)/T_l. This approach is confirmed and validated by experimental data in various glass forming systems including oxide glasses, cryoprotectants and metallic glasses, which all shows a higher reliability when their glass forming ability is predicted by the modified parameter. |
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来源
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Chinese Physics Letters
,2007,24(5):1335-1338 【核心库】
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DOI
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10.1088/0256-307x/24/5/058
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关键词
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Formation
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Forming
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Reliability
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地址
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Institute of Materials Science and Engineering, National Sun Yat-Sen University
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语种
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英文 |
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ISSN
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0256-307X |
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学科
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物理学 |
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基金
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台湾国家科学委员会资助（NSC）
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台湾国家科学委员会资助（NSC）
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文献收藏号
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CSCD:3131747
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参考文献 共
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