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RISA Modified Closed Form Energy Based Framework for Axial Isothermal Mechanical Fatigue Life Assessment for Aluminum 6061 T6
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present investigation, the applicability of a previously developed closed form energy based framework to predict low cycle fatigue (LCF) life of aluminum 6061T6 was extended from room temperature to elevated ...
Reliability of Welded Structures Containing Cracks in Heat-Affected Zones
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the reliability of a plate containing a semi-elliptical surface crack intersecting regions of dissimilar material properties. A weakest-link model is developed to express ...
A Robust Optimization Technique for Calculating Scaling Coefficients in an Energy Based Fatigue Life Prediction Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The energybased lifing method is based on the theory that the cumulative energy in all hysteresis loops of a specimens' lifetime is equal to the energy in a monotonic tension test. Based on this theory, fatigue life can ...
Prediction of Nonlinear Evolution of Fatigue Damage Accumulation From an Energy-Based Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An energy-based framework is developed for welded steel and AL6061-T6 for assessment of nonlinear evolution of fatigue damage accumulation along fatigue life. The framework involves interrogation at continuum using a newly ...
An Energy-Based Uniaxial Fatigue Life Prediction Method for Commonly Used Gas Turbine Engine Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new energy-based life prediction framework for calculation of axial and bending fatigue results at various stress ratios has been developed. The purpose of the life prediction framework is ...
A Comparison of Constitutive Equations for the Energy Based Lifing Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Alternatives to quasistatic and dynamic constitutive relationships have been investigated with respect to a previously developed energybased fatigue lifing method for various load profiles, which states: the total strain ...
Development of an Improved High Cycle Fatigue Criterion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An integrated computational-experimental approach for prediction of total fatigue life applied to a uniaxial stress state is developed. The approach consists of the following elements: (1) development ...
An Energy-Based Axial Isothermal-Mechanical Fatigue Lifing Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An energy-based fatigue lifing method for the determination of the full-life and critical-life of in-service structures subjected to axial isothermal-mechanical fatigue (IMF) has been developed. ...
An Energy-Based Axial Isothermal- Mechanical Fatigue Lifing Procedure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An energy-based fatigue lifing procedure for the determination of full-life and critical-life of in-service structures subjected to axial isothermal-mechanical fatigue (IMF) has been developed. The ...
A New Multiaxial Fatigue Testing Method for Variable-Amplitude Loading and Stress Ratio
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new vibration-based multiaxial fatigue testing methodology for assessing high-cycle turbine engine material fatigue strength at various stress ratios is presented. The idea is to accumulate ...