On the Effect of Loading System Rigidity on Strain Resistance and the Fracture of Alloy Specimens on Deep Cooling |
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| Authors: | Vorob'ev E. V. |
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| Affiliation: | (1) Institute of Problems of Strength, National Academy of Sciences of Ukraine, Kiev, Ukraine |
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| Abstract: | The results of investigating the effect of loading system stiffness on the parameters of low-temperature intermittent yield and the mechanical characteristics of the steels 03Kh20N16AG6 and 12Kh18N10T and the titanium alloy 3M at 4.2 K at different development stages of plastic strain instability are presented. Criteria of fracture by the adiabatic-shear mechanism are considered. An analysis of the stiffness components of an electrohydraulically driven testing machine is given. The necessity of laying down stiffness regulations for conventional mechanical tests of materials has been shown. |
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| Keywords: | intermittent yield deformation jump testing machine stiffness compliance deformation rate mechanical characteristics |
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