PSI - Issue 33

M.P. Tretyakov et al. / Procedia Structural Integrity 33 (2021) 1089–1094 Tretyakov M.P. et al/ Structural Integ ity P ocedia 00 (2019) 000–0 0

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Fig. 4. Tension diagram of a specimen at a loading system stiffness of 50 MN/m (a) and an enlarged fragment of the supercritical stage of deformation (b).

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Fig. 5. Tension diagram of a specimen with a loading system stiffness of 18 MN/m (a) and an enlarged fragment of the diagram (b).

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Fig. 6. Tension diagram of a specimen at a minimum stiffness of the loading system of 5 MN/m (a) and an enlarged fragment of the diagram (b).