Estimation of critical cooling rates for glass formation in bulk metallic glasses through non-isothermal thermal analysis

Ji Hun Kim; Joon Sik Park; Eun Soo Park; Won Tae Kim; Do Hyang Kim

doi:10.1007/BF03027478

Estimation of critical cooling rates for glass formation in bulk metallic glasses through non-isothermal thermal analysis

Ji Hun Kim, Joon Sik Park, Eun Soo Park, Won Tae Kim, Do Hyang Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Critical cooling rate (R_c) for glass formation has been calculated from an integrated transformation curve, constructed by combining continuous cooling transformation (CCT) and continuous heating transformation (CHT) curves. The CCT and CHT curves were calculated from experimental measurements on cooling rate dependence of solidification onset temperature using classical nucleation kinetics and heating rate dependence of crystallization onset temperature using Kissinger method, respectively. The critical cooling rate was calculated from the intersection point of the two curves, corresponding to an apparent nose point in the integrated transformation curve. The calculated critical cooling rates were in good agreement with those measured for five different bulk glass forming alloys of Ca-Mg-Zn, Pd-Ni-Cu-P, Zr-Ti-Cu-Ni-Be and Mg-Cu-Y alloys.

Original language	English
Pages (from-to)	1-9
Number of pages	9
Journal	Metals and Materials International
Volume	11
Issue number	1
DOIs	https://doi.org/10.1007/BF03027478
Publication status	Published - 2005 Feb

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. W.T. Kim also thanks for the financial support from the Center for Advanced Materials Processing (CAMP) of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Republic of Korea.

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys
Materials Chemistry

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title = "Estimation of critical cooling rates for glass formation in bulk metallic glasses through non-isothermal thermal analysis",

abstract = "Critical cooling rate (Rc) for glass formation has been calculated from an integrated transformation curve, constructed by combining continuous cooling transformation (CCT) and continuous heating transformation (CHT) curves. The CCT and CHT curves were calculated from experimental measurements on cooling rate dependence of solidification onset temperature using classical nucleation kinetics and heating rate dependence of crystallization onset temperature using Kissinger method, respectively. The critical cooling rate was calculated from the intersection point of the two curves, corresponding to an apparent nose point in the integrated transformation curve. The calculated critical cooling rates were in good agreement with those measured for five different bulk glass forming alloys of Ca-Mg-Zn, Pd-Ni-Cu-P, Zr-Ti-Cu-Ni-Be and Mg-Cu-Y alloys.",

author = "Kim, {Ji Hun} and Park, {Joon Sik} and Park, {Eun Soo} and Kim, {Won Tae} and Kim, {Do Hyang}",

note = "Funding Information: The authors are grateful for the financial support of the Creative Research Initiatives of the Korean Ministry of Science and Technology. W.T. Kim also thanks for the financial support from the Center for Advanced Materials Processing (CAMP) of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Republic of Korea.",

year = "2005",

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doi = "10.1007/BF03027478",

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AU - Kim, Ji Hun

AU - Park, Joon Sik

AU - Park, Eun Soo

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. W.T. Kim also thanks for the financial support from the Center for Advanced Materials Processing (CAMP) of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Republic of Korea.

PY - 2005/2

Y1 - 2005/2

N2 - Critical cooling rate (Rc) for glass formation has been calculated from an integrated transformation curve, constructed by combining continuous cooling transformation (CCT) and continuous heating transformation (CHT) curves. The CCT and CHT curves were calculated from experimental measurements on cooling rate dependence of solidification onset temperature using classical nucleation kinetics and heating rate dependence of crystallization onset temperature using Kissinger method, respectively. The critical cooling rate was calculated from the intersection point of the two curves, corresponding to an apparent nose point in the integrated transformation curve. The calculated critical cooling rates were in good agreement with those measured for five different bulk glass forming alloys of Ca-Mg-Zn, Pd-Ni-Cu-P, Zr-Ti-Cu-Ni-Be and Mg-Cu-Y alloys.

AB - Critical cooling rate (Rc) for glass formation has been calculated from an integrated transformation curve, constructed by combining continuous cooling transformation (CCT) and continuous heating transformation (CHT) curves. The CCT and CHT curves were calculated from experimental measurements on cooling rate dependence of solidification onset temperature using classical nucleation kinetics and heating rate dependence of crystallization onset temperature using Kissinger method, respectively. The critical cooling rate was calculated from the intersection point of the two curves, corresponding to an apparent nose point in the integrated transformation curve. The calculated critical cooling rates were in good agreement with those measured for five different bulk glass forming alloys of Ca-Mg-Zn, Pd-Ni-Cu-P, Zr-Ti-Cu-Ni-Be and Mg-Cu-Y alloys.

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SN - 1598-9623

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Estimation of critical cooling rates for glass formation in bulk metallic glasses through non-isothermal thermal analysis

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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