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RISThe Stress-Sensitivity, Mesh-Dependence, and Convergence of Continuum Damage Mechanics Models for Creep
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The classic Kachanov–Rabotnov (KR) creep damage model is a popular model for the design against failure due to creep deformation. However, the KR model is a local approach that can exhibit numerically unstable damage with ...
Finite Element Analysis of Waspaloy Using Sinh Creep Damage Constitutive Model Under Triaxial Stress State
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The creep deformation and damage evolution of nickel base superalloy (Waspaloy) at 700 آ°C are studied using the classic Kachanov–Rabotnov (KR) and a recently developed Sinhyperbolic (Sinh) model. Uniaxial creep ...