Experimental Mechanics

, Volume 31, Issue 3, pp 232–235 | Cite as

A direct-tension split Hopkinson bar for high strain-rate testing

  • G. H. Staab
  • A. Gilat
Article

Abstract

A direct-tension split-Hopkinson-bar apparatus is introduced. In this apparatus the specimen is loaded by a tensile wave that is generated by the release of a stored load in a section of the input bar. The system can be used for experiments with test durations of up to 500 μs. The effect of specimen geometry (length to diameter ratio) is investigated. Consistent results are obtained when the ratio is larger than about 1.60. Results from tests with 6061-T651 aluminum are in agreement with published data.

Keywords

Aluminum Mechanical Engineer Fluid Dynamics Test Duration Diameter Ratio 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    Kolsky, H., “An Investigation of the Mechanical Properties of Materials at Very High Rates of Loading,”Proc. Phys. Soc., London,62-B,676–700 (1949).Google Scholar
  2. 2.
    Lindholm, U.S. andYeakley, L.M., “High Strain-rate Testing: Tension and Compression,”Experimental Mechanics,8 (1),1–9 (1968).CrossRefGoogle Scholar
  3. 3.
    Nicholas, T., “Tensile Testing of Materials at High Rates of Strain,”Experimental Mechanics,21 (5),177–185 (1981).Google Scholar
  4. 4.
    Harding, J. andWelsh, L.M., “A Tensile Testing Technique for Fibre-Reinforced Composites at Impact Rates of Strain,”J. Mat. Sci.,18,1810–1826 (1983).CrossRefGoogle Scholar
  5. 5.
    Nicholas, T. andBless, S.J., “High Strain Rate Tension Testing,”Metals Handbook, 9th Ed., Amer. Soc. Metals,8,208–214 (1985).Google Scholar
  6. 6.
    Nicholas, T., “Material Behavior at High Strain Rates,” Chapt. 8, Impact Dynamics, ed. J.A. Zukas, T. Nicholas, H.F. Swift, L.B. Greszczuk and D.R. Curran, John Wiley and Sons (1982).Google Scholar
  7. 7.
    Gilat, A. andPao, Y.H., “High-Rate Decremental-Strain-Rate Test,”Experimental Mechanics,28 (3),322–325 (1988).Google Scholar
  8. 8.
    Bertholf, L.D. andKarnes, C.H., “Two-Dimensional Analysis of the Split Hopkinson Pressure Bar System,”J. Mech. Phys. Solids,23,1–19 (1975).Google Scholar
  9. 9.
    Follansbee, P.S. andFrantz, C., “Wave Propagation in the Split Hopkinson Pressure Bar,”ASME J. Eng. Mat. and Tech.,105,61–66 (1983).Google Scholar
  10. 10.
    Lindholm, U.S., Bessey, R.L. andSmith, G.V., “Effect of Strain Rate on Yield Strength, Tensile Strength, and Elongation of Three Aluminum Alloys,”J. Mat.,6,119–133 (1971).Google Scholar

Copyright information

© Society for Experimental Mechanics, Inc. 1991

Authors and Affiliations

  • G. H. Staab
    • 1
  • A. Gilat
    • 1
  1. 1.Department of Engineering, Boyd LaboratoryThe Ohio State UniversityColumbus

Personalised recommendations