Abstract
In order to realize biomedical applications of bulk glassy alloys, Pd-based glassy alloys with Ni-free composition were developed. The alloy with the highest glass-forming ability was obtained at a composition of Pd30Pt17.5Cu32.5P20. The critical cooling rate for glass formation was measured to be 0.050–0.067K∕s. It is also recognized that the crystallization of the undercooled alloy is mainly dominated by surface nucleation. The apparent crystal growth rate of the alloy was slightly higher than that of the previously reported Pd40Cu30Ni10P20 alloy at the same degree of undercooling. The highly processable feature of the alloy has potential for biomedical applications.
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