MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Formation and Properties of Zr-(Ti, Nb)-Cu-Ni-Al Bulk Metallic Glasses
Wei Hua WangRu Ju WangGuo Jiang FanJuergen Eckert
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2001 Volume 42 Issue 4 Pages 587-591

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Abstract

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.

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© 2001 The Japan Institute of Metals and Materials
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