ASD Technical Report, Numéro 61,Partie 559

alloyed powders annealed arc cast material arc cast sheet arc-plasma spraying argon bend ductility bend tests billet to sheet carbon columbium alloys columbium base alloy columbium powder compacts comparable to arc consolidation cracks F cracks No cracks deposits ductility elemental blend elemental powders Evendale F-48 BILLET F-48 HYDRIDE POWDER Figure FLIGHT PROPULSION LABORATORY forging formable and weldable grain boundaries GREEN DENSITY hot-pressed sheet product hydropressing and sintering inch thick sheet ingots Kennametal Kpsi Low oxygen material the sheet mechanical properties Mesh F-48 Powder METALLURGY OF COLUMBIUM method of consoli molybdenum Niobium nitrogen oxygen content particles Powder metallurgy production ppm oxygen pre-alloyed powder processing arc cast production of four-inch PROPULSION LABORATORY DEPARTMENT Pugh rollability rolling room temperature samples sheet of F-48 sheet was workable swaging Table tantalum Thomas L tungsten Union Carbide vacuum hot pressing Wah Chang weld weldable comparable yield of material Yield Strength yttrium Zirconium