PSI - Issue 5

Terekhina Alena et al. / Procedia Structural Integrity 5 (2017) 569–576 Terekhina Alena et al. / Structural Integrity Procedia 00 (2017) 000 – 000

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b)

Fig. 3. Geometry of specimens: a) static loading, b) dynamic loading.

The results generated by testing un-notched and notched specimens titanium alloy Grade2 are summarized in Tables 1 in terms of failure force f F , time to failure f T , nominal loading rate F , and nominal strain rate nom  . Table 1. Summary of the experimental results generated by testing cylindrical samples of Grade2. n r (mm) Grip speed (mm/s) F (kN) f T (s) F (kN/s) Displacement (mm) nom  (1/s) S 1 Plain 0.01 28.4 813.8 0.035 3.3939 0.0002 S 2 Plain 0.01 28.7 812.5 0.035 3.2740 0.0002 S 5 Plain 0.1 29.9 72.1 0.415 2.8747 0.002 S 6 Plain 0.1 29.8 70.9 0.420 2.7509 0.002 S 7 Plain 5 32.3 1.6 20.19 0.8956 0.051 S 8 Plain 5 32.5 1.6 20.31 0.7801 0.049 S 10 2 0.01 25.7 553 0.046 1.9571 0.003 S 11 2 0.01 26.2 550.3 0.048 1.9766 0.003 S 12 2 0.01 26 529.2 0.049 1.7608 0.003