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Indexed by:期刊论文

Date of Publication:2011-10-01

Journal:MATERIALS RESEARCH INNOVATIONS

Included Journals:Scopus、SCIE、EI

Volume:15

Issue:5

Page Number:310-313

ISSN No.:1432-8917

Key Words:Glassy alloy; Thermal stability; Glass forming ability; Mechanical property

Abstract:For developing bulk metallic glasses with high glass forming ability (GFA) and good mechanical properties, Cu92-xZrxAl8 (x=35-65 at-%) alloys have been studied by means of tilt mould casting method. The largest glassy rod with a critical diameter of 18 mm in this alloy series was obtained for Cu42Zr50Al8 alloy. The Hruby factor is appropriate for evaluating GFA in the cast Zr-Cu-Al bulk glassy alloy. The bulk metallic glasses with high GFA exhibit good mechanical properties, i.e. compressive fracture strength of 1783-2240 MPa, Young's modulus of 90-123 GPa and plastic strain of 0-0.73%.