Metal Forming -

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Résumé :
Extrusion.- Study of Flow Through Conical Converging Dies.- Selection of Operating Parameters to Prevent Central Bursting Defects During Cold Extrusion.- The Effect of Material Properties on Tension Zone and Boundary Shear-Stress in Extrusion.- Application of Visioplasticity Techniques to Axisymmetric Extrusions.- The Extrusion of Rate Sensitive Materials.- Deformation Criteria for Predicting the Cold-Extrusion Pressures of Metals.- Drawing and Sheet Metal Forming.- The Effect of Homogeneity on the Formability of 7000 Series Aluminum Alloys for Cartridge Cases.- Effect of Plastic Anisotropy on Drawing Characteristics of Aluminum Alloy Sheet.- Analyses of Deformation and Texture as Functions of Fabrication in Mandrel-Drawn Tubing.- Experimental Evaluation of Theoretically Ideal Drawing Dies.- The Application of the Avitzur Upper Bound Equation to Tungsten Wire Drawing and Its Use in Die-Line Design.- Forming Loads and Friction.- Computer Simulation to Predict Load, Stress, and Metal Flow in an Axisymmetric Closed-Die Forging.- The Validity of Simulating Tests in Evaluating Lubricants for Deformation Processes.- A New Method for the Determination of Material Flow Stress Values under Metalworking Conditions.- Force Requirements and Friction in Warm Working Operations.- Workability.- Theories and Experiments on Friction, Deformation, and Fracture in Plastic Deformation Processes.- The Use of Workability Test Results to Predict Processing Limits.- Hot Workability Testing Techniques.- Simulation of Extrusion Structures by Means of Torsion Testing for a High Strength Nickel-Base Alloy, Udimet 700.- Prediction and Effects of Material Damage During Deformation Processing.- The Relationship Between Superplasticity and Formability.