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Micromechanical modeling of martensitic transformation induced plasticity (TRIP) in austenitic single crystals by M. Cherkaoui; M. Berveiller; H. Sabar is a Engineering article available to read on EtoBox.

What is Micromechanical modeling of martensitic transformation induced plasticity (TRIP) in austenitic single crystals about?

Thermoelastic martensitic transformation can be controlled by external stress and/or temperature to produce the thermoelastie shape memory effect. The thermomechanieal behavior of shape memory alloys has been modeled in the framework of continuum mechanics and micromechanics. Martensitie phase transformation in ductile materials, like iron-base alloys, has allowed the development of steels with high ductility and ultimate tensile strength. In ductile materials exhibiting nonthermoelastic martensitie transformation, the problem is more complicated because of the coupling between the different strain mechanisms (plastic flow of product and parent phases, transformation strain field) at the microscale. Except some phenomenological descriptions and finite element calculations, the study of the constitutive law for the TRIP steels is as yet much Iess developed as compared with shape memory alloys. The aim of this work is to derive the behavior for an austenitic single crystal from which the overall behavior of polycrystalline TRIP steels can be deduced using classical scale transition method. The micromechanical modeling is based on the kinematics, kinetics and continuum-thermodynamics

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Author

M. Cherkaoui; M. Berveiller; H. Sabar

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0749-6419)

Published

1998

Language

EN

Field

Engineering (Physical Sciences)