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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.42  No.4 (2001)  >  pp.587-591

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Formation and Properties of Zr-(Ti, Nb)-Cu-Ni-Al Bulk Metallic Glasses

Wei Hua Wang1)2), Ru Ju Wang1), Guo Jiang Fan2) and Juergen Eckert2)
1) Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences
2) IFW Dresden, Institut für Metallische Werkstoffe

The effect of composition variations and of B or Si addition on the glass forming ability and thermal stability of Zr–M–Cu–Ni–Al (M=Ti, Nb) bulk metallic glass-forming alloys have been investigated. The structural, acoustic, thermal and elastic properties of the bulk metallic glasses (BMGs) are studied by X-ray diffractmetery (XRD), differential scanning calorimetry (DSC) and ultrasonic method. A small amount of boron and silicon addition can significantly affects the GFA and crystallization behaviors and microstructural nature of the glass-forming alloys. The small changes of the density and acoustic velocities in the BMGs relative to its corrsponding crystallized state indicate a similar electronic state and similar atomic interactions between the glassy and crystalline states.

bulk metallic glass, formation, properties, addition, microstructure

Received: September 04, 2000
Accepted: December 26, 2000 , Published online: September 06, 2005
Copyright (c) 2005 The Japan Institute of Metals



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