Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.actamat.2004.05.025
Title: Effect of a controlled volume fraction of dendritic phases on tensile and compressive ductility in La-based metallic glass matrix composites
Authors: Lee, M.L.
Li, Y. 
Schuh, C.A.
Keywords: Bulk amorphous materials
Composites
Mechanical properties
Issue Date: 16-Aug-2004
Citation: Lee, M.L., Li, Y., Schuh, C.A. (2004-08-16). Effect of a controlled volume fraction of dendritic phases on tensile and compressive ductility in La-based metallic glass matrix composites. Acta Materialia 52 (14) : 4121-4131. ScholarBank@NUS Repository. https://doi.org/10.1016/j.actamat.2004.05.025
Abstract: A systematic study has been carried out to identify the effect of crystalline second phase reinforcements on the mechanical properties of amorphous alloys based on the composition La86-yAl14(Cu, Ni)y (y = 1-24). By varying the composition in a controlled manner, composites with a tailorable fraction of in situ dendritic reinforcements were produced. Tension, compression and impact tests showed considerably improved mechanical properties with a large amount of plasticity when the reinforcement volume fraction exceeded a critical value near 40%, and the tension/compression asymmetry associated with glass plasticity is reduced as the volume fraction of crystalline reinforcements rises. © 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Source Title: Acta Materialia
URI: http://scholarbank.nus.edu.sg/handle/10635/107009
ISSN: 13596454
DOI: 10.1016/j.actamat.2004.05.025
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