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Alternative experimental method for characterizing the deformation behavior of Ti6Al4V at constant strain rates over the full elastoplastic range

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Academic year: 2021

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Fig  1.  Deflection  of  the  servo-hydraulic  400  kN  universal  testing  machine  (Schenck  Hydropuls) and deformation of a Ti6Al4V specimen in a constant cross head speed test  at  v  0
Fig 2. Example of a load-deflection curve of the testing machine (SCHENCK Hydropuls  400 kN press) for a specific compression configuration at RT
Fig. 3. Displacement vs. load curves at identical load sampling frequencies: (a) constant  cross  head  speed  test  (test  1),  (b)  deflection  vs
Fig. 4 shows the stress–strain and strain–time curves obtained in test 1. Fig. 4b shows  that the strain rate reached during test 1 is far from constant
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