Research Catalog

New! Try our Article Search to discover online journals, books, and more from home with your library card.

Selected filters.Clear Filters

  • Evaluation of advanced lubricants for aircraft applications using gear surface fatigue tests [microform] / Dennis P. Townsend and John Shimski.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command, Aviation R&T Activity ; [Springfield, Va. : For sale by the National Technical Information Service, distributor, 1991]
    • 1991

  • Analysis of the effects of surface pitting and wear on the vibrations of a gear transmission system [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Analytical and experimental vibration analysis of a faulty gear system [microform] / F.K. Choy ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Adelphi, Md. : U.S. Army Research Laboratory ; Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Detecting gear tooth fracture in a high contact ratio face gear mesh [microform] / James J. Zakrajsek ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Adelphi, Md.] : U.S. Army Research Laboratory ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • A review of transmission diagnostics research at NASA Lewis Research Center [microform] / James J. Zakrajsek.

    • Text
    • Cleveland, Ohio : The Center ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Final report on evaluation of load tracks and wear of two sets of bearings from space shuttle main engine high pressure oxygen turbopumps [microform] / by J.W. Kannel and K.F. Dufrane.

    • Text
    • Columbus, Ohio : Battelle, Columbus Division ; Marshall Space Flight Center, Ala. : National Aeronautics and Space Administration, George C. Marshall Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor, 1985]
    • 1985

  • The surface fatigue life of contour induction hardened AISI 1552 gears [microform] / Dennis P. Townsend, Alan Turza, Mike Chaplin.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [Adelphi, Md.] : U.S. Army Research Laboratory ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Study of localized corrosion in aluminum alloys by the scanning reference electrode technique [microform] / M.D. Danford.

    • Text
    • MSFS, Ala. : National Aeronautics and Space Administration, Marshall Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Minimizing load effects on NA4 gear vibration diagnostic parameter [microform] / Paula J. Dempsey and James J. Zakrajsek.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
    • 2001
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS26801

  • Gear damage detection using oil debris analysis [microform] / Paula J. Dempsey.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
    • 2001
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS26895

  • Gear tooth wear detection algorithm / Irebert R. Delgado.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, July 2015.
    • 2015-7
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo82371

  • Minimizing load effects on NA4 gear vibration diagnostic parameter / Paula J. Dempsey and James J. Zakrajsek.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, February 2001.
    • 2001-2
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/LPS26801

  • Corrosivity of water-soluble sulfate ions in simulated pore water solutions and different types of grout samples / Seung-Kyoung Lee.

    • Text
    • McLean, VA : United States Department of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center, May 2021.
    • 2021-5
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo157038

No results found from Digital Research Books Beta

Digital books for research from multiple sources world wide- all free to read, download, and keep. No Library Card is Required. Read more about the project.

digital-research-book
Explore Digital Research Books Beta