Title of Paper:An analytical method for studying the stress-strain relations of bulk metallic glass matrix composites under tension

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Affiliation of Author(s):航空学院

Journal:Adv. Compos. Lett.

Abstract:In this contribution, an analytical model was formulated to predict the tensile stress-strain relations of bulk metallic glass matrix composites (BMGCs) based on Weng’s theoretical frame for dual-ductile composites. For in-situ BMGCs, BMG matrix also exhibits the elastic-plastic deform response as well as the dendrite phases during the stretching. The shear bands are regarded as Mode-I cracks, and whereby the strain-softening stage in the stress-strain curves can be well reflected. Furthermore, multi-particle representative volume element based FEM modelling was employed to clearly explain the failure mechanisms in BMGCs as a necessary complement. The predictions are in reasonable agreement with the experimental results. The presented analytical method will shed some light on optimizing the microstructures, and is of convenience in the engineering applications. © 2018 Adcotec Ltd. All rights reserved.

ISSN No.:0963-6935

Translation or Not:no

Date of Publication:2018-11-01

Correspondence Author:姜云鹏