Experimental study and mathematical modeling of the behavior of St.3, 20Kh13, and 08Kh18N10T steels in wide ranges of strain rates and temperatures

Results of an experimental study of the behavior of St.3, 20Kh13, and 08Kh18N10T steels under static and dynamic loading are reported. The influence of the strain rate and temperature on characteristics of strength and plasticity is studied. Based on the data obtained, the parameters of the Johnson–...

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Bibliographic Details
Published in:Journal of applied mechanics and technical physics 2015-11, Vol.56 (6), p.977-983
Main Authors: Bragov, A. M., Igumnov, L. A., Kaidalov, V. B., Konstantinov, A. Yu, Lapshin, D. A., Lomunov, A. K., Mitenkov, F. M.
Format: Article
Language:English
Subjects:
Applications of Mathematics
Austenitic stainless steels
Chromium steels
Classical and Continuum Physics
Classical Mechanics
Computer programs
Dynamic tests
Fluid- and Aerodynamics
Loads (forces)
Mathematical analysis
Mathematical Modeling and Industrial Mathematics
Mathematical models
Mechanical Engineering
Physics
Physics and Astronomy
Plasticity
Steels
Strain rate
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Summary:Results of an experimental study of the behavior of St.3, 20Kh13, and 08Kh18N10T steels under static and dynamic loading are reported. The influence of the strain rate and temperature on characteristics of strength and plasticity is studied. Based on the data obtained, the parameters of the Johnson–Cook model are determined. This model is used in commercial software to describe the yield surface radius as a function of loading parameters. The adequacy of the identified model is verified in a series of special test experiments.
ISSN:0021-8944
1573-8620
DOI:10.1134/S0021894415060073