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论文类型： 期刊论文

发表时间： 2011-10-01

发表刊物： MATERIALS RESEARCH INNOVATIONS

收录刊物： Scopus、SCIE、EI

卷号： 15

期号： 5

页面范围： 310-313

ISSN号： 1432-8917

关键字： Glassy alloy; Thermal stability; Glass forming ability; Mechanical property

摘要： 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%.