 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 12804 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8044
|
| In English (Mech. Solids): | | 4760 |
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| << Previous article | Volume 58, Issue 3 / 2023 | Next article >> |
| V.Yu. Marina, "Regularities of Changing the Limiting Values of Stress and Strain Invariants in Microinhomogeneous Media," Mech. Solids. 58 (3), 727-747 (2023) |
| Year |
2023 |
Volume |
58 |
Number |
3 |
Pages |
727-747 |
| DOI |
10.3103/S0025654423700085 |
| Title |
Regularities of Changing the Limiting Values of Stress and Strain Invariants in Microinhomogeneous Media |
| Author(s) |
V.Yu. Marina (Technical University of Moldova, Chisinau, MD-2004 Republic of Moldova, vasilemarina21@yahoo.com) |
| Abstract |
By using nonlinear equations of constraints between macro- and micro-states, the regularities of changes in the limiting values of stress and strain invariants in microinhomogeneous media are studied. It is shown that the extreme relative moduli of stress tensor deviators in polycrystals with a cubic lattice are invariant with respect to external conditions of reversible force and depend only on the crystal anisotropy factor. In the irreversible region of deformation, analytical relations are obtained for bulk and tensile normal stresses. The effect of cyclic change in bulk and tensile stresses in some subelements under external monotonic loading has been established. It is shown that, on the basis of nonlinear equations of constraints, a complex pattern of material failure can be described using the theory of maximum normal stresses at the local level. |
| Keywords |
structure, stress, deformation, fracture, hardening, energy, microinhomogeneity, state, subelement |
| Received |
22 February 2022 | Revised |
19 July 2022 | Accepted |
25 July 2022 |
| Link to Fulltext |
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