High-strength Cu-based crystal-glassy composite with enhanced ductility

Louzguine, Dmitri V.; Kato, Hidemi; Inoue, Akihisa
February 2004
Applied Physics Letters;2/16/2004, Vol. 84 Issue 7, p1088
Academic Journal
Low ductility of glassy alloys prevents their technical application as structural materials. In this work, we study the Cu-based crystal-glassy composite material with good mechanical properties. Formation of the Cu[sub 10]Zr[sub 7] phase in the glassy matrix of a high-strength Cu[sub 50]Zr[sub 30]Ti[sub 10]Nb[sub 10] bulk alloy upon solidification led to higher Young’s modulus and enhanced ductility of such a composite compared to Cu-based glassy alloys. The as-cast structure was studied by x-ray diffraction and scanning electron microscopy. © 2004 American Institute of Physics.


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