Heating and cooling rate dependence of the parameters representing the glass forming ability in bulk metallic glasses

Ji Hun Kim; Joon Sik Park; Hyun Kyu Lim; Won Tae Kim; Do Hyang Kim

doi:10.1016/j.jnoncrysol.2005.03.020

Heating and cooling rate dependence of the parameters representing the glass forming ability in bulk metallic glasses

Ji Hun Kim, Joon Sik Park, Hyun Kyu Lim, Won Tae Kim, Do Hyang Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

28 Citations (Scopus)

Abstract

A GFA (glass-forming ability) indicator, reduced crystallization temperature (T_rx), has been suggested based on the consideration of both resistance of the amorphous phase against crystallization and stability of the under-cooled liquid against competing crystalline phase formation. The T_rx parameter exhibits the best correlations with critical thickness (Z_c) and critical cooling rate (R_c) for glass formation when compared with those of ΔT_x, T_rg, and γ parameters. The T_rx parameter obtained under higher scanning rate exhibits better linear regression fit with glass forming ability (GFA).

Original language	English
Pages (from-to)	1433-1440
Number of pages	8
Journal	Journal of Non-Crystalline Solids
Volume	351
Issue number	16-17
DOIs	https://doi.org/10.1016/j.jnoncrysol.2005.03.020
Publication status	Published - 2005 Jun 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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10.1016/j.jnoncrysol.2005.03.020

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Kim, J. H., Park, J. S., Lim, H. K., Kim, W. T., & Kim, D. H. (2005). Heating and cooling rate dependence of the parameters representing the glass forming ability in bulk metallic glasses. Journal of Non-Crystalline Solids, 351(16-17), 1433-1440. https://doi.org/10.1016/j.jnoncrysol.2005.03.020

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abstract = "A GFA (glass-forming ability) indicator, reduced crystallization temperature (Trx), has been suggested based on the consideration of both resistance of the amorphous phase against crystallization and stability of the under-cooled liquid against competing crystalline phase formation. The Trx parameter exhibits the best correlations with critical thickness (Zc) and critical cooling rate (Rc) for glass formation when compared with those of ΔTx, Trg, and γ parameters. The Trx parameter obtained under higher scanning rate exhibits better linear regression fit with glass forming ability (GFA).",

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AU - Park, Joon Sik

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AU - Kim, Won Tae

AU - Kim, Do Hyang

PY - 2005/6/1

Y1 - 2005/6/1

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JO - Journal of Non-Crystalline Solids

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