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  • Exponential integration algorithms applied to viscoplasticity [microform] / A.D. Freed and K.P. Walker.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service, 1991]
    • 1991

  • From differential to difference equations for first order ODEs [microform] / Alan D. Freed and Kevin P. Walker.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service, 1991]
    • 1991

  • Asymptotic integration algorithms for first-order ODEs with application to viscoplasticity [microform] / Alan D. Freed and Minwu Yao and Kevin P. Walker.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service, 1992]
    • 1992

  • On the thermodynamics of stress rate in the evolution of back stress in viscoplasticity [microform] / A.D. Freed, J.-L. Chaboche, and K.P. Walker.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service, distributor, 1991]
    • 1991

  • Natural strain [microform] / Alan D. Freed.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Viscoplastic model development with an eye toward characterization [microform] / Alan D. Freed, Kevin P. Walker.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Designing ROW methods [microform] / Alan D. Freed.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • Model development in viscoplastic ratchetting [microform] / Alan D. Freed and Kevin P. Walker.

    • Text
    • [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service, 1990]
    • 1990
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS62885

  • A viscoplastic model with application of LiF-22%CaF₂ hypereutectic salt [microform] / A.D. Freed and K.P. Walker ; prepared for the 3rd International Conference on Constitutive Laws for Engineering Materials, theory and applications and workshop on innovative use of materials in industrial and infrastructure design and manufacturing sponsored by the University of Arizona, Tucson, Arizona, January 7-12, 1991.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service, 1990]
    • 1990
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS65429

  • Stress versus temperature dependent activation energies in creep [microform] / A.D. Freed, S.V. Raj, and K.P. Walker ; prepared for the 3rd International Conference on Constitutive Laws for Engineering Materials, Theory and Applications and Workshop on Innovative Use of Materials in Industrial and Infrastructure Design and Manufacturing sponsored by the University of Arizona, Tucson, Arizona, January 7-12, 1991.

    • Text
    • [Washington, D.C.] : NASA ; [Springfield, Va. : For sale by the National Technical Information Service, 1990?]
    • 1990
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS68891

  • Refinements in a viscoplastic model / A.D. Freed and K. P. Walker.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration, [1989]
    • 1989
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/LPS107974

  • Refinements in a viscoplastic model [microform] / A.D. Freed and K. P. Walker.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration, [1989]
    • 1989
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS107974

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