Mechanical charecterization and analytical modeling of the thermo-viscoplastic behaviour AISI 304 steel under wide ranges of strain rates at room temperature
In this investigation, the thermo-viscoplastic behaviour of the steel AISI 304 has been examined. The experimental characterization of the material has been conducted in tension under wide ranges of strain rates.An analytical description of the macroscopic behaviour of this metal is reported. For such goal, the extended Rusinek-Klepaczko model to viscous drag effects is applied.It allows for proper description of the material behaviour within the whole range of loading conditions considered.In addition, the analytical formulation proposed gathers limited number of material constants and simple calibration procedure.
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Numerical Simulation of the effect adiabatic temperature increase in martensitic transformation of austenitic steels ZAERA, Ramon; CASADO, Alvaro; RODRIGUEZ-MARTINEZ, José A.; RUSINEK, Alexis; PESCI, Raphaël; FERNANDEZ-SAEZ, José (2011)The predictions of the constitutive model agree with experimental results in terms of macroscopy stress-strain curves and volume fraction of martensite formed during loading
Numerical simulation of the effect of adiabatic temperature increase in martensitic transformation of austenitic steels ZAERA, Ramon; CASADO, Alvaro; RODRIGUEZ-MARTINEZ, José Antonio; RUSINEK, Alexis; PESCI, Raphaël; FERNANDEZ-SAEZ, José (2011)This work presents a constitutive model for metastable austenitic steels exhibiting Strain Induced Martensitic Transformation (SIMT). Based on the description of the kinetics of phase transformation proposed by Olson and ...
Experimental characterisation and modelling of the thermo-viscoplastic behaviour of steel AISI 304 within wide ranges of strain rate at room temperature RUSINEK, Alexis; RODRIGUEZ-MARTINEZ, José A.; PESCI, Raphaël; CAPELLE, Julien (Polish Society of Theoretical and Allied Mechanics, 2010)In this investigation, thermo-viscoplastic behaviour of austenitic steel AISI 304 has been characterised in tension under wide ranges of strain rate at room temperature. This metal possesses an elevated strain hardening ...
A constitutive model for analyzing martensite formation in austenitic steels deforming at high strain rates ZAERA, Ramon; RODRIGUEZ-MARTINEZ, J. A.; CASADO, Ana Maria; FERNANDEZ-SAEZ, José; RUSINEK, Alexis; PESCI, Raphaël (Elsevier, 2012)This study presents a constitutive model for steels exhibiting SIMT, based on previous seminal works, and the corresponding methodology to estimate their parameters. The model includes temperature effects in the phase ...
Thermo-mechanical behaviour of TRIP 1000 steel sheets subjected to low velocity perforation by conical projectiles at different temperatures RODRIGUEZ MARTINEZ, José Antonio; PESCI, Raphaël; RUSINEK, Alexis; ARIAS, Angel; ZAERA, Ramon; PEDROCHE, David Arias (Elsevier, 2012)This paper presents and analyzes the behaviour of TRIP 1000 steel sheets subjected to low velocity perforation by conical projectiles. The relevance of this material resides in the potential transformation of retained ...