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Glass-forming ability and mechanical properties of Cu50Zr50−xTix alloys

✍ Scribed by H. Men; S.J. Pang; T. Zhang

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
320 KB
Volume
408
Category
Article
ISSN
0921-5093

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✦ Synopsis

Glass-forming ability (GFA) of Cu 50 Zr 50-x Ti x (x = 0-50 at.%) alloys was investigated by melt-spinning and copper mould casting methods. Bulk metallic glasses can be formed in the composition range of 0-15 and 35-45 at.% Ti. The x = 7.5 and 40 alloys show the best GFA in the local compositional vicinity, and critical diameters for glass formation is 5 and 3 mm, respectively. The GFA of the x = 20-30 alloys was degraded due to appearance of a Mg 2 Zn-type Laves phase in the center portion of Cu-Zr-Ti diagram. The supercooled liquid temperature region and reduced glass transition temperature are 40 K, 0.

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