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INVERSE ANALYSIS OF PLANE STRAIN AND UNIAXIAL COMPRESSION TESTS PERFORMED ON GLEEBLE

1 AKSENOV Sergey
Co-authors:
1 PUZINO Yuriy 2 MAZUR Igor
Institutions:
1 National Research University Higher School of Economics, Moscow, Russian Federation, saksenov@hse.ru, ypuzino@hse.ru
2 Lipetsk State Technical University, Lipetsk, Russian Federation, mazur_ip@mail.ru
Conference:
24th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, June 3rd - 5th 2015
Proceedings:
Proceedings 24th International Conference on Metallurgy and Materials
Pages:
170-175
ISBN:
978-80-87294-58-1
ISSN:
2694-9296
Published:
12th January 2015
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
648 views / 320 downloads
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Abstract

Plane strain and uniaxial compression tests are generally used for characterization of a material constitutive behavior during hot forming. Interpretation of the results obtained by such tests is complicated by flow inhomogeneity occurring in a specimen volume and temperature variations. Inverse analysis is an effective instrument allowing one to take these factors into account and obtain more accurate constitutive equations of a material. In this study the constitutive behavior of HC420LA steel was examined by plane strain and uniaxial compression testing on Gleeble 3800. Finite element simulation of the tests was performed in order to evaluate the flow inhomogeneity and its effect on stress-strain curves obtained as a result of testing. Inverse analysis was used to correct the initial Gleeble data and obtain accurate constitutive equations of the material.

Keywords: PSCT, uniaxial compression, plane strain compression, FEM, inverse analysis

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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