Effect of cladding on extrudability and properties of powder-metallurgy tungsten
Thomas P. Herbell, Charles A. Hoffman, John W. Weeton, United States. National Aeronautics and Space Administration
National Aeronautics and Space Administration, 1967 - Technology & Engineering - 20 pages
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3400 Adjusted extrusion actual extrusion temperature Adjusted extrusion temper Adjusted extrusion temperature alloys or composites as-extruded billets as-extruded materials ASTM number ature Billet F Butt length clad and unclad clad extrusions clad or unclad Composites Containing Fibered ductility elevated-temperature tensile strength extruded at 2370 extruded at temperatures extruded billets extruded with preheat F and tensile F Billet F tests Fibered or Reacted fracture function of extrusion grain size grain-size hardness with 1-kg Herbell inches per second independent of extrusion Lewis Research Center lower temperature microstructures molybdenum cladding Molybdenum-clad billets obtained POWDER-METALLURGY TUNGSTEN Quatinetz Reacted Additives reduction in area reduction ratios based Robert Q room-temperature tensile strength shown in figure sintered successfully extruded symbols denote molybdenum Tantalum temperature or technique temperatures below 2800 temperatures of 2400 tensile specimens tensile testing tested at 3500 tested at room tungsten billets Tungsten Composites Containing Tungsten disulfide Tungsten-Base Alloys unclad billets unclad materials Weeton Zirconium dioxide