Phenomenological Mechanism of Transformation Plasticity and the Constitutive Law Coupled with Thermo-Mechanical Plasticity

Tatsuo Inoue

doi:10.4028/www.scientific.net/AMR.33-37.1351

Paper Titles

Package Warpage and Stress Evaluation for a Plastic Electronic Package
p.1327

Repeatedly Dehiscence and Residual Stress of Liquefied Gas Spherical Vessel
p.1333

Cyclic Oxidation Behavior of Thermal Barrier Coatings Irradiated by High-Intensity Pulsed Ion Beam
p.1337

Evaluation of Optimal Conditions for D-Tube Brazing
p.1345

Phenomenological Mechanism of Transformation Plasticity and the Constitutive Law Coupled with Thermo-Mechanical Plasticity
p.1351

Research on Hardening the Surface of Laser and Anti-Tempering Property of Cast Steel Hot Roller
p.1359

Structure Optimization of a Locomotive Support Vehicle Based on FEM Analysis
p.1365

FEM Analysis and Optimization for Welded Metal Bellows Seal
p.1371

Shape Optimization and Strength Evaluation of Metal Welded Bellows Wave of Mechanical Seal
p.1377

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Phenomenological Mechanism of Transformation Plasticity and the Constitutive Law Coupled with Thermo-Mechanical Plasticity

Abstract:

Phenomenological mechanism of transformation plasticity is proposed in the first part of the paper by use of simple model why stress in mother phase increases to reach yielding due to progressing new phase and to induce plastic deformation even under small applied stress. Based on the discussion, a unified constitutive model including transformation-induced and ordinal thermomechanical plastic strain rates by introducing an effect of varying phases during phase transformation into yield function. Thus derived constitutive equation is applied to describe strain response under varying temperature and stress with some discussions as well as metallo-thermo-mechanical simulation of quenching.