Fracture of a commercial r41.2Ti13.8 Cu12.5Ni10.0Be22.5 bulk-metallic glass

G. J. Fan, H. H. Liao, H. Choo, P. K. Liaw, N. Mara, A. V. Sergueeva, A. K. Mukherjee, E. J. Lavernia

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Abstract

The fracture behavior of a commercial Zr41.2Ti13.8 Cu12.5 Ni10.0Be22.5 bulk-metallic glass (BMG) during the uniaxial compressive deformation was investigated. It was reported that fracture in this alloy causes a temperature rise, which is high enough to initiate a viscous flow in the vicinity of the fractured surface (the fracture-affected zone (FAZ)). Based on the finite-element analysis of the one-dimensional heat transfer from the fractured surface into the FAZ, it is estimated that the instant temperature rise during the fracture of the Zr41.2 Ti13.8Cu12.5Ni10.0Be22.5 BMG alloy could reach as high as 2770 K.

Original languageEnglish (US)
Pages (from-to)2001-2005
Number of pages5
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume38 A
Issue number9
DOIs
StatePublished - Sep 2007

Bibliographical note

Funding Information:
The authors, GJF, HHL, HC, and PKL, appreciate the financial support by the National Science Foundation International Materials Institutes (IMI) Program (Grant No. DMR-0231320), Dr. Carmen Huber, Program Director. EJL acknowledges the support from the Office of Naval Research (Grant No. N00014-04-1-0370).

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