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RISPrediction of Fretting Fatigue Behavior of Metals Using a Fracture Mechanics Approach with Special Consideration to the Contact Problem
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A fracture mechanics model has been developed to estimate the fretting fatigue strength and the service life of structural components. Integrated in this model is a contact problem solver that ...
A Fracture Mechanics Approach to the Prediction of Tool Wear in Dry High-Speed Machining of Aluminum Cast Alloys—Part 1: Model Development
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The utilization of cast aluminum alloys in automotive industry continues to rise because of consumer demand for a future generation of vehicles that will offer excellent fuel efficiency and ...
A Fracture Mechanics Approach to the Prediction of Tool Wear in Dry High Speed Machining of Aluminum Cast Alloys—Part 2: Model Calibration and Verification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Background. Aluminum alloys are extensively used in the automotive industry and their utilization continues to rise because of the environmental, safety and driving performance advantages. Experimental ...
Identification of Material Constitutive Laws for Machining—Part II: Generation of the Constitutive Data and Validation of the Constitutive Law
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an integral methodology to obtain a wide range of constitutive data required for the identification of the constitutive equation used in simulating cutting processes. This ...
Identification of Material Constitutive Laws for Machining—Part I: An Analytical Model Describing the Stress, Strain, Strain Rate, and Temperature Fields in the Primary Shear Zone in Orthogonal Metal Cutting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To achieve high performance machining, modeling of the cutting process is necessary to predict cutting forces, residual stresses, tool wear, and burr formation. A major difficulty in the modeling ...
Development of a New Model for the Varying Dynamics of Flexible Pocket-Structures During Machining
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Many of the aerospace components are characterized by having pocket-shaped thin-walled structures. During milling, the varying dynamics of the workpiece due to the change of thickness affects the ...
A New Analytical Formulation for the Dynamics of Multipocket Thin-Walled Structures Considering the Fixture Constraints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Milling of thin-walled aerospace structures is a critical and challenging process. Available models for the prediction of the effect of the fixture on the dynamic response of flexible workpieces ...
Dynamics Modeling and Analysis of Thin-Walled Aerospace Structures for Fixture Design in Multiaxis Milling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Milling of thin-walled aerospace structures is a critical process due to the high flexibility of the workpiece. Current practices in the fixture design and the choice of cutting parameters rely ...