OBRABOTKAMETALLOV Vol. 23 No. 3 2021 MATERIAL SCIENCE EQUIPMENT. INSTRUMENTS 6 2 4 a b Fig. 7. Simulation in the QForm program of plastic strain of a porous bushing being settled on a spherical bearing of a hinge unit: 1 – strain resistance force; 2 – strain energy Fig. 8. Distribution of the relative strain degree of the ring section elements εxx (a), εyy (b) and εxy (c) with coordinates Kh = 0.5 (3; 4) and 0.85 (1; 2) as a function of Kr, determined: 1 and 3 – experimentally; 2 and 4 – by simulation a b c d
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