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RISEffect of Stress Ratio on Short Fatigue Crack Growth
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model of short fatigue crack growth is proposed, which is based on the blocked slip concept and the shear decohesion mechanism. The analysis is extended to the case of mean stress loading. ...
Life Prediction Techniques for Variable Amplitude Multiaxial Fatigue—Part 2: Comparison With Experimental Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An extensive multiaxial random fatigue test programme was conducted at room temperature using tubular specimens. Experiments were performed under combined tension/torsion and triaxial loading, ...
Life Prediction Techniques for Variable Amplitude Multiaxial Fatigue—Part 1: Theories
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fatigue life prediction under multiaxis random loading is an extremely complex and intractable topic; only a few methods have been proposed in the literature. In addition, experimental results ...
On Perturbation Solutions for Nearly Circular Inclusion Problems in Plane Thermoelasticity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An approximate analytical solution to the nearly circular inclusion problems of arbitrary shape in plane thermoelasticity is provided. The shape of the inclusion boundary considered in the present ...
On the Characterization of Fatigue Crack Growth in a Plate With a Single-Sided Repair
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An unsupported cracked plate repaired with a reinforcement bonded on one side may experience considerable out-of-plane bending due to the load-path eccentricity. This out-of-plane bending causes ...
A Method for Determining the Elastic-Plastic Response Ahead of a Notch Tip
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stress distribution ahead of a notch tip is the prerequisite to calculating the driving force for cracks emanating from notches. This article first examines whether two commonly used ...
A Closure Model to Crack Growth Under Large-Scale Yielding and Through Residual Stress Fields
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a closure model for predicting the growth behavior of short cracks in the presence of large-scale yielding and residual compressive stresses, representative of structures that ...
Simulation of Fuel Droplet Gasification in SI Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The heating and gasification of a fuel droplet during the intake and compression strokes of an SI engine are modeled. Results show that the simultaneous increases in the gas temperature and ...
Transient Thermoelastic Contact of Sliding Rings With Axisymmetric Surface Roughness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Many devices such as seals, clutches, and brakes involve the thermomechanical contact of rough surfaces in sliding motion. The asperity level interactions which are highly localized depend upon ...
Evaluation of DC Servo Machine Tool Feed Drives as Force Sensors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Unmanned machine tools as part of an automated factory require reliable, inexpensive sensors to provide machine and process information to the controller. The electric current in the DC motor ...