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RISMaterial Modeling for Autofrettage Stress Analysis Including the “Single Effective Material”
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Analytical and numerical stress analyses of the autofrettage process have made great strides in the last few years. The major challenge is no longer the stress analysis process but the ...
Investigation of Driving Force Variation During Swage Autofrettage, Using Finite Element Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Swaging is one method of autofrettage, a means of prestressing high-pressure vessels to increase their fatigue lives and load bearing capacity. Swaging achieves the required deformation through ...
A Comparison of Methods for Predicting Residual Stresses in Strain-Hardening, Autofrettaged Thick Cylinders, Including the Bauschinger Effect
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High-pressure vessels, such as gun barrels, are autofrettaged in order to increase their operating pressure and fatigue life. Autofrettage causes plastic expansion of the inner section of the ...
Implementing Realistic, Nonlinear, Material Stress–Strain Behavior in ANSYS for the Autofrettage of Thick-Walled Cylinders
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High-pressure vessels are autofrettaged to introduce favorable, compressive, residual stresses around their inner diameters. The efficacy of autofrettage is limited by a phenomenon called the ...