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Zr-based bulk metallic glasses possess a unique combination of strength and toughness along with high elastic modulus. This property can be exploited in various defence applications. Glassy phase in Zr-(Ti,Nb,Pd)-Al-(Ni,Cu), Zr-Al-TM (Co,Ni,Cu)-M (Pd,Au,Pt) and (Zr,Ti)-Be-(Ni,Cu) alloys has been produced in ~10 mm diameter rod by Cu mould casting. Nanocrystalline/ nano-quasicrystalline precipitates can be incorporated in the amorphous matrix through a suitable heat treatment. It has been shown that the nanocrystalline embedded glassy matrix can be bent up to 180o without fracture.

Produktbeschreibung
Zr-based bulk metallic glasses possess a unique combination of strength and toughness along with high elastic modulus. This property can be exploited in various defence applications. Glassy phase in Zr-(Ti,Nb,Pd)-Al-(Ni,Cu), Zr-Al-TM (Co,Ni,Cu)-M (Pd,Au,Pt) and (Zr,Ti)-Be-(Ni,Cu) alloys has been produced in ~10 mm diameter rod by Cu mould casting. Nanocrystalline/ nano-quasicrystalline precipitates can be incorporated in the amorphous matrix through a suitable heat treatment. It has been shown that the nanocrystalline embedded glassy matrix can be bent up to 180o without fracture.
Autorenporträt
Dr. Syed Mujahed Hussaini, Ph.D Professor, Dept. of Mech. Engg, Vignan Institute of Tech. and Science, Hyderabad, India