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|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.
|Keywords:||Bulk amorphous materials
|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|
|Appears in Collections:||Staff Publications|
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