Abstract
Abstract This study examined the amorphization behavior and thermal stability of mechanically alloyed Cu 60 Zr 24 Ti 10 Y 6 alloy powders synthesized by using high-energy ball mill. Complete amorphization is feasible after 5 h of milling. The thermal stability of the Cu 60 Zr 24 Ti 10 Y 6 amorphous powders was investigated by differential thermal analysis. As the results demonstrated, the temperature interval of the supercooled liquid region defined by the difference between glass transition temperature ( T g ) and crystallization temperature ( T x ), i.e. Δ T x = T x − T g , is 82 K for Cu 60 Zr 24 Ti 10 Y 6 . The glass transition and crystallization temperatures of mechanically alloyed samples are different from those reported in the literature for samples prepared by melt spinning techniques. The different thermal stability is believed to be due to the introduction of impurities into the ball-milled samples during mechanical alloying (MA) process.
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