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  • 1
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    Unknown
    Titanium honeycomb structure (1972)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: A brazed titanium honeycomb sandwich system for supersonic transport wing cover panels provides the most efficient structure spanwise, chordwise, and loadwise. Flutter testing shows that high wing stiffness is most efficient in a sandwich structure. This structure also provides good thermal insulation if liquid fuel is carried in direct contact with the wing structure in integral fuel tanks.
    Keywords: AIRCRAFT
    Type: NASA. Langley Res. Center Proc. of the Symp. on Welding, Bonding, and Fastening; 21 p
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Service evaluation of aluminum-brazed titanium (ABTi) (1981)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Long term creep-rupture, flight service and jet engine exhaust tests on aluminum-brazed titanium (ABTi), originally initiated under the DOT/SST follow-on program, were completed. These tests included exposure to natural airline service environments for up to 6 years. The results showed that ABTi has adequate corrosion resistance for long time commercial airplane structural applications. Special precautions are required for those sandwich structures designed for sound attenuation that utilize perforated skins. ABTi was also shown to have usable creep-rupture strength and to be metallurgically stable at temperatures up to 425 C (800 F).
    Keywords: INORGANIC AND PHYSICAL CHEMISTRY
    Type: NASA-CR-3418 , D6-48609
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Unknown
    Service evaluation of Aluminum-Brazed Titanium (ABTi) jet engine tailpipe extensions (1982)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Aluminum-brazed titanium (ABTi) jet engine tailpipe extensions were evaluated in commercial service over a 3-year period. The purpose of the evaluation was to determine the corrosion resistance of ABTi in acoustic applications (i.e., honeycomb sandwich incorporating a perforated inner skin). The results showed that ABTi does not have acceptable corrosion resistance in acoustic applications under severe operating conditions, but may be acceptable for acoustic applications in less severe environments.
    Keywords: METALLIC MATERIALS
    Type: NASA-CR-3617 , NAS 1.26:3617 , D6-51416
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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