Accession Number : AD0783985

Title :   Tungsten-Reinforced Oxidation-Resistant Columbium Alloys.

Descriptive Note : Final rept. 20 Feb 73-20 Feb 74,

Corporate Author : SOLAR SAN DIEGO CALIF

Personal Author(s) : Klein,Mark J. ; Metcalfe,Arthur G.

Report Date : MAY 1974

Pagination or Media Count : 113

Abstract : Optimization of the columbium alloy/tungsten composites has continued for general gas turbine application in the temperature range 2000 to 2400F. Major improvements have been made in hot transverse strength, control of structural stability, Izod and ballistic impact strength, creep strength, hot corrosion at 2200F, and thermal shock resistance. These improvements have been accomplished at the expense of some loss of fail-safe life for severely damaged specimens. This composite system can be optimized for specific applications by adjustment of the matrix composition and selection of tungsten filaments with specific properties. (Modified author abstract)

Descriptors :   *Composite materials, Niobium alloys, Matrix materials, Tungsten, Oxidation resistance, Filaments, Reinforcing materials, Titanium alloys, Aluminum alloys, Chromium alloys, Vanadium alloys, Tensile properties, Thermal stability, Impact strength, Creep strength, Fabrication, Gas turbines

Subject Categories : Laminates and Composite Materials
      Jet and Gas Turbine Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE