Rheology, Physical and Mechanical Behavior of Materials 2

Maurice Leroy is a lecturer and professor at the University of Nantes, France, as well as director of the Composite and Metallic Formations research laboratory at the IUT. He was instrumental in the creation of France’s first Materials Science and Engineering department.

• Preface ixChapter 1 Dynamics from Electromagnetic Effects 11.1 Electromagnetic shocks and applications 11.1.1 Introduction 11.1.2 Electromagnetic shocks 21.1.3 Magnetic field and induced current in metals 91.1.4 Current and magnetic field measurement 181.1.5 Skin thickness 191.1.6 Electromagnetic pressure 201.1.7 Orders of magnitude of the magnetic field and the electromagnetic energy density to obtain a deformation 211.2 Deformation by electromagnetic pulses 231.2.1 Displacement, kinetic energy and deformation rate 231.2.2 Pulse of the electromagnetic stress 311.2.3 Publications 43Chapter 2 Dynamics from Electrohydraulic Effects 592.1 Introduction 592.2 Forming tanks 602.3 The electrohydraulic effect 622.3.1 Primary shock wave and secondary pressure waves 652.4 Actions of the wave pressures in the fluid: fluid-plate acoustic effect 692.4.1 Fluid-plate interaction 692.5 Electrohydraulic forming 73Chapter 3 Elastic Limit Deflection, Plastic Hinge, Dynamics of Movement 773.1 Plastic bending 773.1.1 Case: doubly symmetrical shaped section beam 773.1.2 Any potential section with double symmetry 783.2 Plastic hinges 823.2.1 The case of rectangular beams or sheets 833.2.2 Dynamic in distributed loading of rectangular beams or sheets 913.2.3 Bending of circular plates: bending of symmetrically uniformly loaded circular plates 1023.2.4 Electrodynamics and hydrodynamics of plates 117Chapter 4 Dynamic Actions, Technologies and Applications 1254.1 Mechanical shocks 1254.1.1 Structural memory 1254.1.2 Dynamic powder compacting, sintering 1384.2 Electromagnetic shocks and applications 1694.2.1 Shock inductors 1694.2.2 Dynamic assemblies 1924.3 Dynamic plating solders 2084.3.1 Introduction 2084.3.2 Magnetic welding 2114.3.3 Plate dynamics 2164.3.4 Micrographs of the solders obtained by the electromagnetic impact and an analysis of the connection 2194.3.5 Electrohydraulic soldering 221Appendices 227Appendix A: Electromagnetism 229Appendix B : Joining, Dynamic Hooping: Transmissible Force and Torque 257Appendix C: Tables of Characteristics of Metals 273Appendix D: Publications 281References 303Index 305