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Flat bars, Stress-strain, Strain Rate, Carbon Steel, Split Hopkinson Tensile Bar test-SHTBT.


Plastic deformation of metallic materials and alloys is a complex process that depends on a number of factors with the effect of strain rate being of particular importance. Dynamical tests are used for determination of mechanical properties. Split Hopkinson Pressure Bar Test is often used for these experiments. The paper deals with possibilities of testing device for flat bars adapted at Hopkinson test. The aim of this work is concentrated on strain rate influence on DC 01 steel too.


Acta Mechanica Slovaca. Volume 15, Issue 3, Pages 46 – 51, ISSN 1335-2393


  Tensile Tests of Flat Bars at High Strain Rate


[1] Šlais, M., Podaný, K., Šmehlíková, E., Forejt, M. (2009). Statické a dynamické mechanické chování oceli 17 240. International Scientific Conference PRO-TECH-MA 2009, Progressive Technologies and Materials. Rzeszów, Politechnika Rzeszów, pp 262-266

[2] Gómez-del Río, T., et al. (2005). Dynamic Tensile Behaviour at Low Temperature of CFRP Using a Split Honpkinson Pressure Bar. Composites Science and Technology, no. 65, pp. 61-71
[3] Kaiser, M.A. (1998). Advancements in the Split Hopkinson Bar Test, p. 94. aviable at www: <http://scholar.lib.vt.edu/theses/available/etd-41998-18465/unrestricted/ETD.pdf>
[4] SUN, Baozhong, Fang LIU a Bohong GU. Influence of the Strain rate on the Uniaxial Tensile Behaviour of 4-step 3D Braided Composites. Composites : Part A: Applied Science and Manufacturing. 2005, no. 36, s. 1477-1485.
[5] SPIŠÁK, Emil, SLOTA, Ján: Estimating of yield stress of double reduced tinplates. Acta Mechanica Slovaca. Roč. 13, č. 2 (2009), s. 16-21. - ISSN 1335-2393
[6] SLOTA, Ján, SPIŠÁK, Emil: Determination of forming - limit diagrams considering various models for steel sheets. Acta Mechanica Slovaca. Roč. 15, č. 1 (2011), s. 56-62.-ISSN1335-2393

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