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 › peer-review

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

Bibliographical note

Funding Information:
The authors are grateful for the financial support of the Creative Research Initiatives of the Korean Ministry of Science and Technology.

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

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).",

author = "Kim, {Ji Hun} and Park, {Joon Sik} and Lim, {Hyun Kyu} and Kim, {Won Tae} and Kim, {Do Hyang}",

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AU - Kim, Ji Hun

AU - Park, Joon Sik

AU - Lim, Hyun Kyu

AU - Kim, Won Tae

AU - Kim, Do Hyang

N1 - Funding Information: The authors are grateful for the financial support of the Creative Research Initiatives of the Korean Ministry of Science and Technology.

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