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Review of Lower-Bound Limit Analysis for Pressure Vessel Intersections
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: On the basis of a study of several recent papers concerned with the lower-bound computation of the collapse load of pressure vessel intersections, a review is made of the satisfaction, or ...
Effect of Creep in Low-Cycle Fatigue of Pressure Vessel Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Low-cycle fatigue tests have been carried out at 2 cpm on a pressure vessel steel at 350 deg C (662 deg F). The total strain range was fixed for each test and the minimum (or mean) strain ...
Limit Analysis of Rotationally Symmetric Shells Under Central Boss Loadings by a Numerical Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new method of limit analysis of rotationally symmetric shells is introduced whereby lower and upper bounds are obtained through a nonlinear programming code. Bounds for an ideal sandwich shell ...
Cyclic Stress-Strain Behavior and Low-Cycle Fatigue of Ti 6-4 at 260°C
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Low-cycle fatigue tests on Ti 6-4 (Ti-6Al-4V) have been carried out at 260°C under strain-controlled conditions with constant strain amplitude and increasing multistep strain levels. The ...
Cumulative Fatigue Damage on Large Steel Specimens Under Axial Programmed Loading With Nonzero Mean Stress
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Large specimens of an ASTM E-373-58T steel were subjected to zero-tension cyclic loading, hence with nonzero mean stress, under a repeated programmed pattern of nine stress levels. With the ...
Multilevel Strain Controlled Fatigue on a Type 304 Stainless Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A series of cumulative damage strain-controlled fatigue tests at 20°C has been carried out on a Type 304 stainless steel with two, three, and five strain levels, both in an increasing ...
Effect of Mean Stress and of Mean Strain in Low-Cycle Fatigue of A-517 and A-201 Steels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A number of low-cycle fatigue tests has been carried out at room temperature on two materials commonly used in pressure vessel fabrication. For strain-controlled tests, the influence of different ...
Cumulative Fatigue Damage Under Stress-Controlled Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A theoretical analysis of uniaxial cumulative fatigue damage is presented together with a large number of experimental results on unnotched specimens of A-201 and A-517 steels. The theory developed ...
Analysis of Type 316 Stainless Steel Behavior Under Fatigue, Creep and Combined Fatigue-Creep Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A phenomenological approach, already used for other materials, is applied for the prediction of the behavior of 316 stainless steel under fatigue, creep or combined fatigue-creep loadings. The ...