RESEARCH PAPER
Constitutive Modelling and Identification of Parameters of 316L Stainless Steel at Cryogenic Temperatures
1
Institute of Applied Mechanics, Faculty of Mechanical Engineering, Cracow University of Technology, Al. Jana Pawla II 37, 31-864 Kraków, Poland
Online publication date: 2014-12-20
Publication date: 2014-09-01
Acta Mechanica et Automatica 2014;8(3):136-140
KEYWORDS
ABSTRACT
In this work, a macroscopic material model for simulation two distinct dissipative phenomena taking place in FCC metals and alloys at low temperatures: plasticity and phase transformation, is presented. Plastic yielding is the main phenomenon occurring when the yield stress is reached, resulting in nonlinear response of the material during loading. The phase transformation process leads to creation of two-phase continuum, where the parent phase coexists with the inclusions of secondary phase. An identification of the model parameters, based on uniaxial tension test at very low temperature, is also proposed.
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| eISSN: | 2300-5319 |
| ISSN: | 1898-4088 |
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