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Experimental study of the high strain rate shear behaviour of Ti6Al4V

Jan Peirs (UGent) , Patricia Verleysen (UGent) and Joris Degrieck (UGent)
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Abstract
Three different high strain rate shear test techniques are applied on the titanium alloy Ti6Al4V. Two techniques for testing of bulk materials and one technique for sheet materials are used: torsion of thin-walled tubes, compression of hat-shaped specimens and tension of planar shear specimens. The tests are carried out on respectively torsion, compression and tensile split Hopkinson bar setups. Although shear stresses dominate the stress state in these three tests, the local stress state and its distribution and evolution are different. Therefore, the three techniques are considered to be rather complementary than equivalent tests. In this work, the value of the three test techniques for material characterization is evaluated. Where possible, digital image correlation (DIC) is used to clarify the test results. In addition, parameters difficult to assess experimentally are estimated through finite element simulations of the three tests.
Keywords
high strain rate, DIC, shear, Hopkinson, Ti6Al4V, finite element simulation

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Chicago
Peirs, Jan, Patricia Verleysen, and Joris Degrieck. 2011. “Experimental Study of the High Strain Rate Shear Behaviour of Ti6Al4V.” In Applied Mechanics and Materials, ed. Ezio Cadoni and Marco di Prisco, 82:130–135. Stafa-Zürich, Switzerland: Trans Tech.
APA
Peirs, J., Verleysen, P., & Degrieck, J. (2011). Experimental study of the high strain rate shear behaviour of Ti6Al4V. In E. Cadoni & M. di Prisco (Eds.), Applied Mechanics and Materials (Vol. 82, pp. 130–135). Presented at the 3rd International Workshop on Performance, Protection and Strengthening of Structures Under Extreme Loading, Stafa-Zürich, Switzerland: Trans Tech.
Vancouver
1.
Peirs J, Verleysen P, Degrieck J. Experimental study of the high strain rate shear behaviour of Ti6Al4V. In: Cadoni E, di Prisco M, editors. Applied Mechanics and Materials. Stafa-Zürich, Switzerland: Trans Tech; 2011. p. 130–5.
MLA
Peirs, Jan, Patricia Verleysen, and Joris Degrieck. “Experimental Study of the High Strain Rate Shear Behaviour of Ti6Al4V.” Applied Mechanics and Materials. Ed. Ezio Cadoni & Marco di Prisco. Vol. 82. Stafa-Zürich, Switzerland: Trans Tech, 2011. 130–135. Print.
@inproceedings{1927440,
  abstract     = {Three different high strain rate shear test techniques are applied on the titanium alloy Ti6Al4V. Two techniques for testing of bulk materials and one technique for sheet materials are used: torsion of thin-walled tubes, compression of hat-shaped specimens and tension of planar shear specimens. The tests are carried out on respectively torsion, compression and tensile split Hopkinson bar setups. Although shear stresses dominate the stress state in these three tests, the local stress state and its distribution and evolution are different. Therefore, the three techniques are considered to be rather complementary than equivalent tests. In this work, the value of the three test techniques for material characterization is evaluated. Where possible, digital image correlation (DIC) is used to clarify the test results. In addition, parameters difficult to assess experimentally are estimated through finite element simulations of the three tests.},
  author       = {Peirs, Jan and Verleysen, Patricia and Degrieck, Joris},
  booktitle    = {Applied Mechanics and Materials},
  editor       = {Cadoni, Ezio and di Prisco, Marco},
  isbn         = {9783037852170},
  issn         = {1660-9336},
  keyword      = {high strain rate,DIC,shear,Hopkinson,Ti6Al4V,finite element simulation},
  language     = {eng},
  location     = {Lugano, Switzerland},
  pages        = {130--135},
  publisher    = {Trans Tech},
  title        = {Experimental study of the high strain rate shear behaviour of Ti6Al4V},
  url          = {http://dx.doi.org/10.4028/www.scientific.net/AMM.82.130},
  volume       = {82},
  year         = {2011},
}

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