Modeling of Deformation and Failure of Heat-Resistant Alloys under Cyclic Thermal-Mechanical Loading

Ivan Volkov; Leonid A. Igumnov; Svetlana Litvinchuk; Ivan Markov

doi:10.4028/www.scientific.net/SSP.258.198

Paper Titles

Analysis of Micro-Cracks Using Modified Couple-Stress Elasticity under Anti-Plane Deformation
p.182

Prediction of the Traction Separation Law of Ceramics Using Iterative Finite Element Modelling
p.186

Influence of Particle Attributes on Residual Stresses in Particulate Ceramic Composites
p.190

Model of the Damaged Medium for the Assessment of Resource Characteristics of Structural Alloys for Degradation Mechanisms that Combine Fatigue and Creep of Material
p.194

Modeling of Deformation and Failure of Heat-Resistant Alloys under Cyclic Thermal-Mechanical Loading
p.198

Polarizable Models in Molecular Dynamics
p.202

Complete Williams Asymptotic Expansion near the Crack Tips of Collinear Cracks of Equal Lengths in an Infinite Plane
p.209

Behavior of Lode Dependent Plasticity at Plane Strain Condition and its Implication to Ductile Fracture
p.213

Fretting High-Cycle Fatigue Assessment through a Multiaxial Critical Plane-Based Criterion in Conjunction with the Taylor’s Point Method
p.217

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Modeling of Deformation and Failure of Heat-Resistant Alloys under Cyclic Thermal-Mechanical Loading

Abstract:

The results of numerically modeling fatigue damage accumulation in heat-resistant alloys (Nimonic 80A, Haynes 188) under combined thermal mechanical loading are presented. Special attention is paid to the issues of modeling the processes of cyclic thermal plastic deformation and fatigue damage accumulation for complex deformation processes accompanied by the rotation of the main sites of stress and strain tensors.