Forecast of Adiabatic Shear Band Formation in Two Commercial Ultra-high-Strength Armor Steels by Split Hopkinson Pressure Bar

Formation possibilities of adiabatic shear bands (ASBs) or cracks in two commercial ultra-high-strength armor steels composed of martensite were evaluated by a split Hopkinson pressure bar so that a plausible forecasting method of ASB formation and cracking during the dynamic compression or ballisti...

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Bibliographic Details
Published in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2020-07, Vol.51 (7), p.3384-3391
Main Authors: Jo, Min Cheol, Kim, Selim, Park, Hyung Keun, Hong, Sung Suk, Kim, Hong Kyu, Kim, Hyoung Seop, Lee, Sunghak
Format: Article
Language:English
Subjects:
Adiabatic flow
Armor
Ballistic impact tests
Characterization and Evaluation of Materials
Chemistry and Materials Science
Communication
Compression tests
Cracks
Edge dislocations
Heat treating
High strength
High strength steels
Martensite
Materials Science
Metallic Materials
Nanotechnology
Shear bands
Split Hopkinson pressure bars
Structural Materials
Surfaces and Interfaces
Thin Films
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Summary:Formation possibilities of adiabatic shear bands (ASBs) or cracks in two commercial ultra-high-strength armor steels composed of martensite were evaluated by a split Hopkinson pressure bar so that a plausible forecasting method of ASB formation and cracking during the dynamic compression or ballistic impact might be suggested. The present dynamic compressive test effectively investigated the ASB formation behavior and provided a good idea on how many ASBs or cracks form during the ballistic impact.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-020-05814-0