Accession Number : AD0845760

Title :   Joining of Superalloy Foils for Hypersonic Vehicles.

Descriptive Note : Summary technical rept. 1 Dec 66-30 Jun 68,

Corporate Author : SOLAR TURBINES INTERNATIONAL SAN DIEGO CA

Personal Author(s) : Brentnall, William D. ; Stetson, Alvin R. ; Metcalfe, Arthur G.

Report Date : OCT 1968

Pagination or Media Count : 204

Abstract : The article presents a review of joining techniques for candidate foil gage superalloys for use as hypersonic vehicle honeycomb heat shields. Four superalloys, Inconel 625, L605, TD Nickel, and TD Nickel/chromium, were selected; two joining methods, brazing and either TIG welding or diffusion bonding, were evaluated for each of these four superalloys. In the brazed joint evaluations, four braze alloys were initially selected for each superalloy and were reduced to one braze alloy per superalloy by simulated exposure tests. (Author)

Descriptors :   (*HEAT SHIELDS, HONEYCOMB CORES), (*HONEYCOMB CORES, THERMAL JOINING), HYPERSONIC FLIGHT, WELDING, BRAZING, METAL JOINTS, SANDWICH CONSTRUCTION, FOILS(MATERIALS), CRACK PROPAGATION, TENSILE PROPERTIES, DIFFUSION BONDING, STRESSES, RUPTURE, COATINGS, METALLOGRAPHY, PHOTOMICROGRAPHY, HIGH TEMPERATURE.

Subject Categories : Metallurgy and Metallography
      Fabrication Metallurgy
      Structural Engineering and Building Technology

Distribution Statement : APPROVED FOR PUBLIC RELEASE