Journal
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS
Volume 74, Issue 9, Pages 2117-2134Publisher
SPRINGER INDIA
DOI: 10.1007/s12666-021-02309-3
Keywords
High-density BMGs; W plus BMG composites; Kinetic energy penetrator
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Funding
- DRDO
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This review focuses on the application of high-density bulk metallic glass (BMG) composites in kinetic energy penetrators, highlighting the concept of self-sharpening behavior caused by shear band formation to enhance penetration depth. The paper discusses materials requirements, formability, processing, mechanical properties, evolution of high-density BMG, composites, and their possible application in ammunition, as well as the contribution of the present group in processing and evaluation of high-density BMG composites for the mentioned application.
A review of the present understanding on high-density bulk metallic glass (BMG) composites with a specific emphasis on their application in kinetic energy (KE) penetrators is presented. The paper deals with materials requirement for producing KE penetrator and the need to use high-density BMG to enhance the depth of penetration using the concept of self-sharpening behavior caused by shear band formation. The initial sections have been devoted to the description of different BMGs, their formability, processing and mechanical properties. This is followed by a brief account on the evolution of high-density BMG, their composites and their possible application in ammunition. Finally, the contribution of the present group in light of processing and evaluation of high-density BMG composites for above-mentioned application have been highlighted.
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