1–20 von 36 Ergebnissen
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    Ultraviolet-Induced Mirror Degradation

    Bouquet, F. L. / Hasegawa, T. T. / Cleland, E. L. | NTRS | 1982
    Schlagwörter: MATERIALS

    Degradation of Dielectrics in Space

    Bouquet, F. L. | NTRS | 1985
    Schlagwörter: MATERIALS

    Degradation Of Reflectors And Dielectrics

    Bouquet, Frank L. / Cuddihy, Edward F. / Maag, Carl R., Jr. | NTRS | 1987
    Schlagwörter: MATERIALS

    Degradation Of Fluoropolymers by O(3P)

    Wydeven, Theodore / Golub, Morton A. / Lerner, Narcinda R. et al. | NTRS | 1992
    Three reports describe experimental studies of degradation of some fluoropolymers (and few nonfluorinated polymers) by monatomic oxygen in ...
    Schlagwörter: MATERIALS

    Degradation Of Carbon/Phenolic Composites By NaOH

    King, H. M. / Semmel, M. L. / Goldberg, B. E. et al. | NTRS | 1989
    Schlagwörter: MATERIALS

    Accelerated Testing Of Photothermal Degradation Of Polymers

    Kim, Soon Sam / Liang, Ranty Hing / Tsay, Fun-Dow | NTRS | 1989
    photothermal degradation of polymers. Aging accelerated by increasing illumination, temperature, or both. Results of aging tests at temperatures higher ...
    Schlagwörter: MATERIALS

    Interply layer degradation effects on composite structural response

    Chamis, C. C. / Williams, G. C. | NTRS | 1985
    Schlagwörter: COMPOSITE MATERIALS

    Probabilistic material degradation under high temperature, fatigue, and creep

    Boyce, L. | NTRS | 1993
    A methodology has been developed and embodied in two computer codes for quantitatively characterizing the material strength degradation of ...
    Schlagwörter: METALLIC MATERIALS

    LEO degradation of graphite and carbon-based composites aboard Space Shuttle Flight STS-46

    Spady, Blaine R. / Synowicki, R. A. / Hale, Jeffrey S. et al. | NTRS | 1995
    pyrolytic graphite showed significant degradation, and the measured erosion yield was within a factor of two of published values. The erosion yield ...
    Schlagwörter: COMPOSITE MATERIALS

    Parametric Study Of A Ceramic-Fiber/Metal-Matrix Composite

    Murthy, P. L. N. / Hopkins, D. A. / Chamis, C. C. | NTRS | 1992
    Report describes computer-model parametric study of effects of degradation of constituent materials upon mechanical properties of ceramic ...
    Schlagwörter: MATERIALS

    Tests of Solar-Array Encapsulants

    Liang, R. H. / Oda, K. L. / Chung, S. Y. et al. | NTRS | 1986
    Materials tested for degradation by heat and light. Report presents early results of continuing series of photothermal aging tests of some ...
    Schlagwörter: MATERIALS

    Performance Of Perfluoropolyalkylether Lubricant System

    Paciorek, K. / Masuda, S. / Lin, Wen-Huey et al. | NTRS | 1995
    causes severe metal corrosion and fluid degradation when used in oxidizing atmosphere. Reports of interest deal with synthesis of PFPAE-type ...
    Schlagwörter: MATERIALS

    Al(2)O(3)/SiO(2) Coats On Polyimide-Matrix/Carbon-Fiber Composites

    Miller, Larry M. / Gulino, Daniel A. | NTRS | 1996
    Experiments show thin surface coats of silicon dioxide on thin undercoats of aluminum oxide retards thermooxidative degradation of ...
    Schlagwörter: MATERIALS

    Making Thermoplastics Flame-Resistant

    Mueller, W. A. / Ingham, J. D. / Reilly, W. W. | NTRS | 1984
    preventing degradation of impact resistance that results from high filler loadings in thermoplastic. ...
    Schlagwörter: MATERIALS

    Chemiluminescent prediction of service life

    Hassell, J. A. / Mendenhall, G. D. / Nathan, R. A. | NTRS | 1976
    Technique can be used to predict polymer degradation under actual expected-use conditions, without imposing artificial conditions. Smooth ...
    Schlagwörter: MATERIALS

    Preparation of zinc orthotitanate

    Gates, D. W. / Gilligan, J. E. / Harada, Y. et al. | NTRS | 1977
    that is less susceptible to color degradation. ...
    Schlagwörter: MATERIALS

    Experimental data for new fire-retardant materials

    Supkis, D. E. | NTRS | 1977
    in commercial aircraft. Data presented include degradation upon heating, limited oxygen indices, smoke generation, flammability afterglow ...
    Schlagwörter: MATERIALS

    Brazed boron-silicon carbide/aluminum structural panels

    Arnold, W. E., Jr. / Bales, T. T. / Brooks, T. G. et al. | NTRS | 1978
    Fluxless brazing process minimizes degradation of mechanical properties composite material of silicon carbide coated boron fibers in an ...
    Schlagwörter: MATERIALS

    Thermosetting Phthalocyanine Polymers

    Fohlen, G. / Parker, J. / Achar, B. | NTRS | 1985
    Group of phthalocyanine polymers resist thermal degradation. Polymers expected semiconducting. Principal applications probably in molded or ...
    Schlagwörter: MATERIALS

    Amorphous-Carbon Films

    Pouch, John J. / Alterovitz, Samuel A. | NTRS | 1993
    recording media and optical components from degradation by chemical etching or wear, and radiation detectors. ...
    Schlagwörter: MATERIALS