Translated from the German, this is a practical book for engineers which explains the trials, development and manufacturing processes involved in electron beam welding.
Operation of the electron-beam process for welding, melting, and achining is described. The different classes of equipment for each of the 3 processes are dicussed, and commercialy available equipment, both domestic and foreign, is described and illustrated.
Key articles from over 10 separate ASM publications are brought together as a practical reference on weld integrity crack prevention. This book thoroughly covers the essentials of weld solidification and cracking, weldability and material selection, process control and heat treatment, failure analysis, and fatigue and fracture mechanics weldments. Contents also include an appendix for quick reference of tabular data on weldability of alloys, process selection, recommended interpass and heat treatment temperatures, and qualification codes and standards.
High-voltage electron beam welding techniques capable of producing butt welds of optimum strength and ductility were developed for B120VCA titanium, D6AC steel, molybdenum-0.5% titanium to tungsten, and beryllium. Welds were produced in material thicknesses of 0.125 inch for the B120VCA titanium; 0.290 inch and 0.090 inch for the D6AC steel; 0.100 inch, 0.050 inch, and 0.005 inch for the molybdenum-0.5% titanium welded to tungsten; and 0.040 inch for the beryllium. The effects of thermal treatments (aging and heat treating) were investigated in the B120VCA and D6AC by welding and testing a variety of weld/thermal treatment combinations. A comprehensive preliminary welding phase was conducted during which the effects of various welding conditions on weld-zone characteristics were evaluated by visual, radiographic or dye penetrant, and metallographic inspection. Welds were evaluated for extent of fusion, grain size, cracking, porosity, and other pertinent effects.
CRC Handbook of Materials Science is a readily accessible guide to the physical properties of solid state and structural materials. Inter-disciplinary in approach and content, it covers a broad variety of types of materials, including materials of present commercial impor-tance plus new biomedical, composite, and laser materials.