Results Comparison for Hat-shaped, Double-notch and Punch Testing of Split Hopkinson Shear Bar Technique

Authors

  • Bagus Budiwantoro Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jalan Ganesha No. 10, Bandung 40132,
  • Iffah Faizah Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jalan Ganesha No. 10, Bandung 40132,
  • Dini A. Prabowo Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jalan Ganesha No. 10, Bandung 40132,
  • Burhan Febrinawarta Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung
  • Muhammad Agus Kariem Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung

DOI:

https://doi.org/10.5614/j.eng.technol.sci.2019.51.6.5

Keywords:

double-notch, hat-shaped, Hopkinson bar, punch, SHSB

Abstract

The split Hopkinson shear bar (SHSB) test is a modification of the high rate-impact test using a split Hopkinson pressure bar (SHPB). The SHSB has been developed for a variety of techniques, for example, the hat-shaped (circular or flat), double-notch, and punch (with or without notch) techniques. The main purpose of this study was to compare these three techniques to determine the shear stress-shear strain of aluminum alloy 2024-T351. The study was conducted using the Abaqus/CAE software. The circular hat-shaped and punch (with and without notch) techniques used a quarter-section solid 3D model. The flat hat-shaped and double-notch techniques used a half-section solid 3D model. This study successfully tested and compared the three SHSB techniques, with a number of considerations, i.e. the same parameter values for kinetic energy, shear area and shear angle. Each technique has its own advantages and disadvantages in terms of force equilibrium, flow stress fluctuation, constant strain rate, machine-ability, ease of experiment, etc. The optimum technique among the three is the hat-shaped technique.

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Published

2019-12-31

How to Cite

Budiwantoro, B., Faizah, I., Prabowo, D. A., Febrinawarta, B., & Kariem, M. A. (2019). Results Comparison for Hat-shaped, Double-notch and Punch Testing of Split Hopkinson Shear Bar Technique. Journal of Engineering and Technological Sciences, 51(6), 805-823. https://doi.org/10.5614/j.eng.technol.sci.2019.51.6.5

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