Evolution of temperature gradients during rolling of Cu54Ni6Zr22Ti18 bulk metallic glass in the super cooled liquid region

H. J. Kim; J. C. Bae; E. S. Park; J. C. Lee; M. Y. Huh; D. H. Kim

doi:10.1016/j.jmatprotec.2006.11.085

Evolution of temperature gradients during rolling of Cu₅₄Ni₆Zr₂₂Ti₁₈ bulk metallic glass in the super cooled liquid region

H. J. Kim, J. C. Bae, E. S. Park, J. C. Lee, M. Y. Huh, D. H. Kim

Department of Materials Science and Engineering

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

2 Citations (Scopus)

Abstract

Bulk metallic glass (BMG) strips of Cu₅₄Ni₆Zr₂₂Ti₁₈ were produced by warm rolling of the amorphous powder canned with copper. Controlling of temperatures of the rolled sample and rolls was essential for the successive rolling process. Because improper controlling of the sample temperature gave rise to the crystallization of BMG leading to the catastrophic fracture of BMG strips, the temperature of rolls should be properly controlled for achieving successful powder rolling of BMG. The variations of the strain state and temperature in the roll gap was simulated by the finite element method (FEM) using various roll temperatures.

Original language	English
Pages (from-to)	798-800
Number of pages	3
Journal	Journal of Materials Processing Technology
Volume	187-188
DOIs	https://doi.org/10.1016/j.jmatprotec.2006.11.085
Publication status	Published - 2007 Jun 12

Bibliographical note

Funding Information:
This work is supported by the next generation new technology development program of ministry of commerce, industry and energy in Korea.

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Computer Science Applications
Metals and Alloys
Industrial and Manufacturing Engineering

Access to Document

10.1016/j.jmatprotec.2006.11.085

Cite this

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title = "Evolution of temperature gradients during rolling of Cu54Ni6Zr22Ti18 bulk metallic glass in the super cooled liquid region",

abstract = "Bulk metallic glass (BMG) strips of Cu54Ni6Zr22Ti18 were produced by warm rolling of the amorphous powder canned with copper. Controlling of temperatures of the rolled sample and rolls was essential for the successive rolling process. Because improper controlling of the sample temperature gave rise to the crystallization of BMG leading to the catastrophic fracture of BMG strips, the temperature of rolls should be properly controlled for achieving successful powder rolling of BMG. The variations of the strain state and temperature in the roll gap was simulated by the finite element method (FEM) using various roll temperatures.",

author = "Kim, {H. J.} and Bae, {J. C.} and Park, {E. S.} and Lee, {J. C.} and Huh, {M. Y.} and Kim, {D. H.}",

note = "Funding Information: This work is supported by the next generation new technology development program of ministry of commerce, industry and energy in Korea.",

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AU - Kim, H. J.

AU - Bae, J. C.

AU - Park, E. S.

AU - Lee, J. C.

AU - Huh, M. Y.

AU - Kim, D. H.

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PY - 2007/6/12

Y1 - 2007/6/12

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AB - Bulk metallic glass (BMG) strips of Cu54Ni6Zr22Ti18 were produced by warm rolling of the amorphous powder canned with copper. Controlling of temperatures of the rolled sample and rolls was essential for the successive rolling process. Because improper controlling of the sample temperature gave rise to the crystallization of BMG leading to the catastrophic fracture of BMG strips, the temperature of rolls should be properly controlled for achieving successful powder rolling of BMG. The variations of the strain state and temperature in the roll gap was simulated by the finite element method (FEM) using various roll temperatures.

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