Effect of strain rate on the nature of failure in static and cyclic loading. Report 1. Formulation of general approaches |
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Authors: | B Z Margolin V A Shvetsova |
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Affiliation: | (1) Prometei Central Scientific Research Institute of Structural Materials, Leningrad |
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Abstract: | On the basis of the processes of initiation and growth of voids at grain boundaries, the authors develop a physicomechanical model of intergranular cavitation failure of polycrystalline materials. The model can be used to predict endurance in static and cyclic loading structural members in a multiaxial stress state and at a variable strain rate. An approach to describing the effect of this rate on the nature of failure of the material and transition from intragranular to intergranular failure is formulated.Translated from Problemy Prochnosti, No. 2, pp. 3–14, February, 1991. |
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