 | | 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 |
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| In English (Mech. Solids): | | 4810 |
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| V.R. Ganieva, F.U. Enikeev, and A.A. Kruglov, "Identification of Phenomenological Superplasticity Models Based on the Results of Technological Experiments," Mech. Solids. 53 (2), 138-146 (2018) |
| Year |
2018 |
Volume |
53 |
Number |
2 |
Pages |
138-146 |
| DOI |
10.3103/S0025654418020036 |
| Title |
Identification of Phenomenological Superplasticity Models Based on the Results of Technological Experiments |
| Author(s) |
V.R. Ganieva (Ufa State Petroleum Technological University, ul. Kosmonavtov 1, Ufa, Bashkortostan, 450062 Russia, venera5577@mail.ru)
F.U. Enikeev (Ufa State Petroleum Technological University, ul. Kosmonavtov 1, Ufa, Bashkortostan, 450062 Russia)
A.A. Kruglov (Ufa State Petroleum Technological University, ul. Kosmonavtov 1, Ufa, Bashkortostan, 450062 Russia; Institute for Metals Superplasticity Problems of the Russian Academy of Sciences, ul. Stepana Khalturina 39, Ufa, 450001 Russia) |
| Abstract |
A general scheme for identifying the constitutive equations of superplasticity, according to which the values of material constants are calculated by the results of technological experiments using interpretation techniques based on the adoption of additional hypotheses of the stress-strain state nature in the deformation region, is proposed. The verification of the result is carried out by comparing the experimental data with the corresponding solutions of the boundary problems for superplasticity mechanics obtained using software complexes such as ANSYS and ABAQUS. The obtained result is used as input data for a program, and the solution of the boundary value problem is found without additional hypotheses of the stress-strain state nature. The practical application of the proposed approach for the standard power model of superplasticity shows that the accuracy of the forming duration simulation is no less than 4%. |
| Keywords |
superplasticity, constitutive equations, identification, boundary value problem, ANSYS, technological experiment |
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|
| Received |
14 March 2016 |
| Link to Fulltext |
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