Enhancement of oxidation resistance of the supercooled liquid in Cu-Zr-based metallic glass by forming an amorphous oxide layer with high thermal stability

Ka Ram Lim; Jin Man Park; Suk Jun Kim; Eun Sung Lee; Won Tae Kim; Annett Gebert; Jürgen Eckert; Do Hyang Kim

doi:10.1016/j.corsci.2012.09.018

Enhancement of oxidation resistance of the supercooled liquid in Cu-Zr-based metallic glass by forming an amorphous oxide layer with high thermal stability

Ka Ram Lim, Jin Man Park, Suk Jun Kim, Eun Sung Lee, Won Tae Kim, Annett Gebert, Jürgen Eckert, Do Hyang Kim

Department of Materials Science and Engineering

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

43 Citations (Scopus)

Abstract

In the present study, we propose that the formation of amorphous oxide layers with an enhanced thermal stability can significantly improve the oxidation resistance of metallic glass in the supercooled liquid (SCL) state. Addition of a small amount of Be (2at.%) in Cu₄₆Zr₄₆Al₈ widens the SCL region and simultaneously improves the oxidation resistance of the SCL. For Cu₄₆Zr₄₆Al₈, the initial amorphous oxide completely transforms into the crystalline oxide far below the glass transition temperature during continuous heating, while for Cu₄₅Zr₄₅Al₈Be₂, the amorphous oxide remains after heating up to the SCL region, thus significantly improving the oxidation resistance of the SCL.

Original language	English
Pages (from-to)	1-4
Number of pages	4
Journal	Corrosion Science
Volume	66
DOIs	https://doi.org/10.1016/j.corsci.2012.09.018
Publication status	Published - 2013 Jan

Bibliographical note

Funding Information:
This work was supported by the Global Research Laboratory Program of the Korean Ministry of Education, Science and Technology. K.R. Lim acknowledges the support from the Second Stage of Brain Korea 21 Project.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

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10.1016/j.corsci.2012.09.018

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@article{32f137926062428b912436dff0d8c220,

title = "Enhancement of oxidation resistance of the supercooled liquid in Cu-Zr-based metallic glass by forming an amorphous oxide layer with high thermal stability",

abstract = "In the present study, we propose that the formation of amorphous oxide layers with an enhanced thermal stability can significantly improve the oxidation resistance of metallic glass in the supercooled liquid (SCL) state. Addition of a small amount of Be (2at.%) in Cu46Zr46Al8 widens the SCL region and simultaneously improves the oxidation resistance of the SCL. For Cu46Zr46Al8, the initial amorphous oxide completely transforms into the crystalline oxide far below the glass transition temperature during continuous heating, while for Cu45Zr45Al8Be2, the amorphous oxide remains after heating up to the SCL region, thus significantly improving the oxidation resistance of the SCL.",

author = "Lim, {Ka Ram} and Park, {Jin Man} and Kim, {Suk Jun} and Lee, {Eun Sung} and Kim, {Won Tae} and Annett Gebert and J{\"u}rgen Eckert and Kim, {Do Hyang}",

note = "Funding Information: This work was supported by the Global Research Laboratory Program of the Korean Ministry of Education, Science and Technology. K.R. Lim acknowledges the support from the Second Stage of Brain Korea 21 Project.",

year = "2013",

month = jan,

doi = "10.1016/j.corsci.2012.09.018",

language = "English",

volume = "66",

pages = "1--4",

journal = "Corrosion Science",

issn = "0010-938X",

publisher = "Elsevier Limited",

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T1 - Enhancement of oxidation resistance of the supercooled liquid in Cu-Zr-based metallic glass by forming an amorphous oxide layer with high thermal stability

AU - Lim, Ka Ram

AU - Park, Jin Man

AU - Kim, Suk Jun

AU - Lee, Eun Sung

AU - Kim, Won Tae

AU - Gebert, Annett

AU - Eckert, Jürgen

AU - Kim, Do Hyang

N1 - Funding Information: This work was supported by the Global Research Laboratory Program of the Korean Ministry of Education, Science and Technology. K.R. Lim acknowledges the support from the Second Stage of Brain Korea 21 Project.

PY - 2013/1

Y1 - 2013/1

N2 - In the present study, we propose that the formation of amorphous oxide layers with an enhanced thermal stability can significantly improve the oxidation resistance of metallic glass in the supercooled liquid (SCL) state. Addition of a small amount of Be (2at.%) in Cu46Zr46Al8 widens the SCL region and simultaneously improves the oxidation resistance of the SCL. For Cu46Zr46Al8, the initial amorphous oxide completely transforms into the crystalline oxide far below the glass transition temperature during continuous heating, while for Cu45Zr45Al8Be2, the amorphous oxide remains after heating up to the SCL region, thus significantly improving the oxidation resistance of the SCL.

AB - In the present study, we propose that the formation of amorphous oxide layers with an enhanced thermal stability can significantly improve the oxidation resistance of metallic glass in the supercooled liquid (SCL) state. Addition of a small amount of Be (2at.%) in Cu46Zr46Al8 widens the SCL region and simultaneously improves the oxidation resistance of the SCL. For Cu46Zr46Al8, the initial amorphous oxide completely transforms into the crystalline oxide far below the glass transition temperature during continuous heating, while for Cu45Zr45Al8Be2, the amorphous oxide remains after heating up to the SCL region, thus significantly improving the oxidation resistance of the SCL.

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DO - 10.1016/j.corsci.2012.09.018

M3 - Letter

AN - SCOPUS:84869500601

SN - 0010-938X

VL - 66

SP - 1

EP - 4

JO - Corrosion Science

JF - Corrosion Science

ER -

Enhancement of oxidation resistance of the supercooled liquid in Cu-Zr-based metallic glass by forming an amorphous oxide layer with high thermal stability

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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