Abstract

Deformation-induced crystallization is correlated with thermal-induced crystallization in alloys with different compositions in a single amorphous alloy system. In Al87Y6Ni5Co2 and Al85Y8Ni5Co2 alloys, which undergo primary crystallization during heating, deformation-induced crystallization of fcc-Al has been observed. In Al83Y10Ni5Co2 alloy, which undergoes eutectic-like crystallization, no deformation-induced crystallization was observed. These observations can be explained by the presence or absence of quenched-in nuclei and the work required for the creation of an amorphous/crystalline interface under compressive stress.

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