On the variability in fracture toughness of `ductile' bulk metallic glasses


Autoria(s): Narayan, RL; Tandaiya, Parag; Garrett, GR; Demetriou, MD; Ramamurty, U
Data(s)

2015

Resumo

The mode I fracture toughness, K-Ic, of ductile bulk metallic glasses (BMGs) exhibits a high degree of specimen-to-specimen variability. By conducting fracture experiments in modes I and II, we demonstrate that the observed high variability in mode I, vis-a-vis mode II, is a result of highly variable propensity for the conversion of shear bands into cracks in mode I whereas in mode II, crack growth direction is fixed. Thus, the measured variability in K-Ic is intrinsic to the nature of BMGs. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Formato

application/pdf

Identificador

http://eprints.iisc.ernet.in/51549/1/scr_mat-102_75_2015.pdf

Narayan, RL and Tandaiya, Parag and Garrett, GR and Demetriou, MD and Ramamurty, U (2015) On the variability in fracture toughness of `ductile' bulk metallic glasses. In: SCRIPTA MATERIALIA, 102 . pp. 75-78.

Publicador

PERGAMON-ELSEVIER SCIENCE LTD

Relação

http://dx.doi.org/10.1016/j.scriptamat.2015.02.017

http://eprints.iisc.ernet.in/51549/

Palavras-Chave #Materials Engineering (formerly Metallurgy)
Tipo

Journal Article

PeerReviewed