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Abstract

This article describes the techniques involved in measuring the high-strain-rate stress-strain response of materials using a split-Hopkinson pressure bar (SHPB). It focuses on the generalized techniques applicable to all SHPBs, whether compressive, tensile, or torsion. The article discusses the methods of collecting and analyzing compressive high-rate mechanical property data. A review of the critical experimental variables that must be controlled to yield valid and reproducible high-strain-rate stress-strain data is also included. Comparisons and contrasts to the differences invoked when using a tensile Hopkinson bar in terms of loading technique, sample design, and stress-state stability, are discussed.

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George T. (Rusty) Gray, III, Classic Split-Hopkinson Pressure Bar Testing, Mechanical Testing and Evaluation, Vol 8, ASM Handbook, Edited By Howard Kuhn, Dana Medlin, ASM International, 2000, p 462–476, https://doi.org/10.31399/asm.hb.v08.a0003296

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