1–10 von 374 Ergebnissen
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    Research on the Support and Gravitational Deformation of Large Aperture Primary Mirror of Space Telescopes

    Peng, Yang-Lin / Dai, Yi-Fan / Chen, Shan-Yong | Tema Archiv | 2012
    telescopes are used in weightless environments, which is different from the ground environment for optical machining and testing. Therefore the ...

    Defect free spinel ceramics of high strength and high transparency

    Sepulveda, Juan L. / Loutfy, Raouf O. / Chang, Sekyung | Tema Archiv | 2009
    for armored vehicles, aircrafts, and missiles. The novel spinel material exhibits high optical and IR transparency in the 0.3 - 5.5 my m ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Instrumented hertzian indentation study of two commerical silicon carbides

    Miller, H.T. / McCuiston, R.C. / LaSalvia, J.C. | Tema Archiv | 2009
    ballistic threats. Pressureless-sintered SiCs are attractive alternatives to hot-pressed variants for some particular applications based upon cost ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Microstructural examination and quasi-static property determination of sintered armor grade SiC

    Demirbas, Memduh V. / Haber, Richard A. / Brennan, Raymond E. | Tema Archiv | 2009
    in a sintered armor SiC tile. A set of several tiles had been previously scanned by ultrasound and one tile from that set was selected for ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Antimony-based superlattices for high-performance infrared imagers

    Walther, M. / Rehm, R. / Schmitz, J. et al. | Tema Archiv | 2008
    InAs/GaSb short-period superlattices (SL) for the fabrication of mono- and bispectral thermal imaging systems in the mid-wavelength ...

    A study of active thermography approaches for the non-destructive testing and evaluation of aerospace structures

    Avdelidis, N.P. / Ibarra-Castanedo, C. / Marioli-Riga, Z.P. et al. | Tema Archiv | 2008
    The prerequisite for more competent and cost effective aircraft has led to the evolution of innovative testing and evaluation procedures ...

    A MEMS-based infrared emitter array for combat identification

    San, Haisheng / Chen, Xuyuan / Xu, Peng et al. | Tema Archiv | 2008
    decreased. In experiment, the surface temperature distribution of IR emitter arrays were measured by thermal imaging system, and the optical ...

    Fiber optic sensor-based SHM technologies for aerospace applications in Japan

    Takeda, N. | Tema Archiv | 2008
    Optical fiber sensors are promising as tools for damage and structural health monitoring (SHM) of aerospace composite structures. Hence ...

    Hybrid, contact, and no contact measurement system for industry

    Sitnik, R. / Sladek, J. / Kupiec, M. et al. | Tema Archiv | 2008
    the paper we present a concept that combines the accuracy of coordinate measurement machines (CMM) and the speed of full-field optical methods ...

    Damage quantification using attenuation based signal processing for health monitoring in carbon fiber composites

    Reynolds, W. / Chattopadhyay, A. | Tema Archiv | 2008
    conditions. In the current research, a structural health monitoring (SHM) and prognosis framework is being developed for heterogeneous material ...