Abstract
Ti-Cu-Ni-Sn quaternary amorphous alloys of Ti50Cu32Ni15Sn3, Ti50Cu25Ni20Sn5, and
Ti50Cu23Ni20Sn7 composition were prepared by mechanical alloying in a planetary high-energy ballmill
(AGO-2). The amorphization of all three alloys was found to set in after milling at 300rpm speed
for 2h. A complete amorphization was observed for Ti50Cu32Ni15Sn3 and Ti50Cu25Ni20Sn5 after 30h and
20h of milling, respectively. Differential scanning calorimetry analyses revealed that the thermal
stability increased in the order of Ti50Cu32Ni15Sn3, Ti50Cu25Ni20Sn5, and Ti50Cu23Ni20Sn7.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
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