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Some Friction and Lubrication Problems in the Metalworking of the Superalloys
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present paper discusses some of the friction related problems associated with the upsetting and sheet forming of nickel chromium base superalloys at temperatures between ambient and 1200 F. ...
Prediction of Press Loads in Deep Drawing Ti–6Al–4V, Stainless Steel AISI 304 and Inconel X Alloy Under Various Conditions of Lubrication at Room Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Attempts have been made to predict loads in deep drawing Ti–6Al–4V, AISI 304, and Inconel X taking into account anisotropy and work-hardening characteristics. This has been accompanied by a ...
Microstructural and Macrostructural Modeling of the Fracture Behavior of Pearlitic Gray Irons
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An attempt is made to rationalize the fracture behavior of pearlitic gray irons on both the microstructural and macrostructural levels. Along with the effects of inoculation, those of as-cast ...
A Three-Dimensional Finite Element Analysis of the Double-Torsion Test
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A special three-dimensional crack-tip element has been developed to investigate a simple and widely applicable fracture toughness test method. Previous experimental work with the double-torsion ...
The Application of the Double Ligament Tensile Test in Deformation Processing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The foundation of the double ligament tensile test for determining mechanical properties of wrought as well as cast materials has been established. With the aid of the finite element stress ...
The Prediction of Press Loads in Deep Drawing With Various Conditions of Lubrication at Elevated Temperatures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present work is introduced and is shown to be a logical extension of work by Chung and Swift, Ray and Berry, et al. The authors introduce the deep drawing process and analyze the ...
The Double Ligament Tensile Test: Its Development and Application
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Determination of yield and ultimate strengths and elongation in three orthogonal directions by means of the double ligament tensile test permits detailed exploration of anisotropy in rolled plate, ...
Issues in Thermal Contact and Phase Change in Porosity Prediction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the major objectives of solidification modeling is to determine, prior to pouring, whether porosity, such as massive cavities and dispersed pores, are likely to appear in the casting. ...
Pore Formation in Laser-Assisted Powder Deposition Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pore formation remains a concern in the area of rapid manufacturing by the laser engineered net shaping process. Results usually conflict on the origin of these pores; whether it should stem ...