Mechanics of Sheet Metal Forming: Material Behavior and Deformation Analysis

Session I-State of the Art.- Chairman: W. Johnson, University of Cambridge.- Sheet Metal Stamping Technology-Need for Fundamental Understanding.- Discussion.- Experimental Studies of Material Behavior as Related to Sheet Metal Forming.- Discussion.- Plasticity Analysis of Sheet Metal Forming.- Discussion.- Session II-Constitutive Relations for Sheet Metal.- Chairman: E. H. Lee, Stanford University.- Plastic Deformation Behavior Under Conditions of Combined Stress.- Discussion.- Sheet Necking-I. Validity of Plane Stress Assumptions of the Long-Wavelength Approximation.- Sheet Necking-II. Time-Independent Behavior.- Discussion.- Session III-Role of Friction.- Chairman: J. J. Jonas, McGill University.- Friction and Lubrication in Sheet Metal Forming.- Discussion.- Drawbead Forces in Sheet Metal Forming.- Discussion.- Session IV-Instability Processes.- Chairman: S. S. Hecker, Los Alamos Scientific Laboratory.- Sheet Metal Forming Limits.- Discussion.- Limits to Ductility Set by Plastic Flow Localization.- Discussion.- Sheet Necking-III. Strain-Rate Effects.- Discussion.- Plastic Flow Properties in Relation to Localized Necking in Sheets.- Discussion.- Session V-Analysis of Deformation in Stamping Operations.- Chairman: B. Budiansky, Harvard University.- Deformation Analysis of Large Sized Panels in the Press Shop.- Discussion.- Deformation Analysis of Axisymmetric Sheet Metal Forming Processes by the Rigid-Plastic Finite Element Method.- Discussion.- Elastic-Viscoplastic Analyses of Simple Stretch Forming Problems.- Discussion.- Symposium Summary.- Participants.