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RISCreep Experiments Under Nonproportional Loadings With Stress Reversals for 2618 Aluminum
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experiments on creep of 2618-T61 aluminum under nonproportional loading steps combined with shear stress reversals, are reported. Compared to previous work, the stress levels, under which ...
On Using Stress Relaxation Tests to Characterize Material Behavior
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Stress relaxation tests, in which the gage length of the specimen was maintained constant by servocontrol, were performed on 2618-T61 aluminum. The test results, which were independent of the ...
Simultaneous and Mixed Stress Relaxation in Tension and Creep in Torsion of 2618 Aluminum
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The time dependent behavior of 2618-T61 aluminum under mixed loads and constraints (tension relaxation and torsion creep) is investigated. Experiments include tensile relaxation; simultaneous tension ...
Modified General Equation for the Design of Capillary Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to improve the design efficiency of capillary tubes, capillary tube models have been developed. Yilmaz and Ünal presented a general approximate analytic equation for the design of ...
A Theoretical Study of the Application of the Optical Caustics to High-Temperature Creep Fracture Mechanics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the current study, a theoretical basis is established for interpreting and correlating the optical caustic patterns with the transition of the crack-tip stress and strain fields under ...
Multiaxial Creep of 2618 Aluminum Under Proportional Loading Steps
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Creep data of 2618-T61 aluminum alloy under multistep multiaxial proportional loadings at 200°C (392°F) are reported. Two viscoplastic flow rules were developed using constant stress creep ...
48 Hour Multiaxial Creep and Creep Recovery of 2618 Aluminum Alloy at 200°C
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Data are reported from 48 hour constant multiaxial stress creep followed by 48 hour creep recovery with the magnitudes of the effective stress ranging from 34.5 MPa (5.00 ksi) to 175.5 MPa ...
Nonproportional Loading Steps in Multiaxial Creep of 2618 Aluminum
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental data on the creep behavior of 2618-T61 aluminum alloy under nonproportional loadings are presented. Among the important findings are the anisotropy induced by creep strain, synergistic ...
Creep of Metals and Plastics Under Combined Stresses, A Review
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Prior research on creep of metals and plastics under combined stresses is reviewed. Recent and current research in this area are described. Emphasis of the review is on experimental investigations ...
Predictions of Tensile Behavior and Strengths of a Si3N4 Ceramic at High Temperatures Based on a Viscoplastic Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tensile deformation and rupture behavior were simulated using a viscoplastic model developed recently. The model was formulated based on the state variable approach, which provides flexibility and ...