 | | 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
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| In English (Mech. Solids): | | 4760 |
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| Sevast'yanov G.M., "Plastic torsion at high pressure with non-uniform stress state," Mech. Solids. 56 (3), 368-375 (2021) |
| Year |
2021 |
Volume |
56 |
Number |
3 |
Pages |
368-375 |
| DOI |
10.3103/S0025654421030109 |
| Title |
Plastic torsion at high pressure with non-uniform stress state |
| Author(s) |
Sevast'yanov G.M. (Khabarovsk Federal Research Center of the Far Eastern Branch of the Russian Academy of Sciences, Komsomolsk-on-Amur, 681005 Russia, akela.86@mail.ru) |
| Abstract |
An analytical solution for high-pressure torsion of a cylindrical sample placed in a rigid gasket is obtained. The sample material is assumed to be isotropic ideally plastic. The dependence of the yield strength on pressure is taken into account. A non-associated plastic flow model is used, which includes the Tresca plastic potential and the Mohr-Coulomb yield condition. The solution predicts the non-uniform stress in the sample. The stress state corresponds to the Haar-von Karman hypothesis. The torque, the average normal stress at the end of the cylindrical sample, and the distribution of the mean stress along the radius of the sample are determined. The conditions under which there is no slippage on the contact surface are indicated. |
| Keywords |
high-pressure torsion, severe plastic deformation, pressure-sensitive materials, non-associated plastic flow, inhomogeneous materials, Haar-von Karman hypothesis |
| Received |
18 June 2020 | Revised |
04 July 2020 | Accepted |
13 August 2020 |
| Link to Fulltext |
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