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A modified glass formation criterion for various glass forming liquids with higher reliability
Alternative TitleA Modified Glass Formation Criterion for Various Glass Forming Liquids with Higher Reliability
Du X H1; Huang J C1
2007
Source PublicationCHINESE PHYSICS LETTERS
ISSN0256-307X
Volume24Issue:5Pages:1335-1338
AbstractA modified indicator of the glass forming ability (GFA) from the previous gamma = 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 gamma(m) 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.
Other AbstractA 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.
KeywordBULK METALLIC GLASSES ABILITY ALLOYS STABILITY SYSTEMS PARAMETERS FRAGILITY
Indexed ByCSCD
Language英语
CSCD IDCSCD:3131747
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/144230
Collection中国科学院金属研究所
Affiliation1.Natl Sun Yat Sen University
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Du X H,Huang J C. A modified glass formation criterion for various glass forming liquids with higher reliability[J]. CHINESE PHYSICS LETTERS,2007,24(5):1335-1338.
APA Du X H,&Huang J C.(2007).A modified glass formation criterion for various glass forming liquids with higher reliability.CHINESE PHYSICS LETTERS,24(5),1335-1338.
MLA Du X H,et al."A modified glass formation criterion for various glass forming liquids with higher reliability".CHINESE PHYSICS LETTERS 24.5(2007):1335-1338.
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