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Metals 2015, 5(3), 1279-1305; doi:10.3390/met5031279

Toughness of Bulk Metallic Glasses

CSIR-National Metallurgical Laboratory, Jamshedpur 831007, India
Academic Editors: K. C. Chan and Jordi Sort Viñas
Received: 1 June 2015 / Revised: 6 July 2015 / Accepted: 10 July 2015 / Published: 17 July 2015
(This article belongs to the Special Issue Metallic Glasses)
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Abstract

Bulk metallic glasses (BMGs) have desirable properties like high strength and low modulus, but their toughness can show much variation, depending on the kind of test as well as alloy chemistry. This article reviews the type of toughness tests commonly performed and the factors influencing the data obtained. It appears that even the less-tough metallic glasses are tougher than oxide glasses. The current theories describing the links between toughness and material parameters, including elastic constants and alloy chemistry (ordering in the glass), are discussed. Based on the current literature, a few important issues for further work are identified. View Full-Text
Keywords: bulk metallic glasses; toughness; elastic properties; shear transformation zones; plasticity; indentation bulk metallic glasses; toughness; elastic properties; shear transformation zones; plasticity; indentation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Madge, S.V. Toughness of Bulk Metallic Glasses. Metals 2015, 5, 1279-1305.

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