A parameter governing the plasticity of Cu-Zr containing bulk metallic glasses

Seok W. Lee, Chang Myun Lee, Jae Pyoung Ahn, Yu Chan Kim, Jae-chul Lee

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Experiments were conducted on bulk metallic glasses (BMGs) to identify a crucial factor that governs the degree of the plasticity shown by these alloys. It was found that in situ formation of nanocrystallites, which is known as the deformation-induced nanocrystallization, play a key role in providing initiation sites of the local deformation, indicating that a high degree of plasticity could be achieved from BMGs in which deformation facilitates nanocrystallization. The degree of this deformation-induced nanocrystallization was found to be strongly dependent on the activation energy for crystallization. In this paper, we report that a factor governing the plasticity of BMGs lies in the activation energy for crystallization.

Original languageEnglish
Pages (from-to)172-175
Number of pages4
JournalMaterials Science and Engineering A
Volume448-451
DOIs
Publication statusPublished - 2007 Mar 25

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Metallic glass
metallic glasses
Nanocrystallization
plastic properties
Plasticity
Crystallization
Activation energy
crystallization
activation energy
Nanocrystallites
Experiments

Keywords

  • Bulk metallic glass
  • Deformation-induced crystallization
  • Plasticity

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

A parameter governing the plasticity of Cu-Zr containing bulk metallic glasses. / Lee, Seok W.; Lee, Chang Myun; Ahn, Jae Pyoung; Kim, Yu Chan; Lee, Jae-chul.

In: Materials Science and Engineering A, Vol. 448-451, 25.03.2007, p. 172-175.

Research output: Contribution to journalArticle

Lee, Seok W. ; Lee, Chang Myun ; Ahn, Jae Pyoung ; Kim, Yu Chan ; Lee, Jae-chul. / A parameter governing the plasticity of Cu-Zr containing bulk metallic glasses. In: Materials Science and Engineering A. 2007 ; Vol. 448-451. pp. 172-175.
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