41–60 von 148 Ergebnissen
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    Overview of photonic materials and components for application in space environments

    Taylor, E.W. / Osinski, M. / Watson, M. et al. | Tema Archiv | 1999
    . Optically based sensors, inertial guidance, tracking systems, communications, diagnostics, imaging and high speed optical processing are but a few ...

    Dynamic holographic interferometry with photorefractive crystals: review of applications and advanced techniques

    Georges, M.P. / Thizy, C. / Scauflaire, V.S. et al. | Tema Archiv | 2003
    destructive testing (defect detection), displacement metrology, vibration mode shape visualization, as well as a study for the use of photorefractive ...

    Electroactive-polymer-based MEMS for aerospace and medical applications

    Xu, Tian-Bing / Su, Ji / Zhang, Qiming | Tema Archiv | 2003
    magneostrictive materials for electromechanical device applications due to their high strain, light weight, flexibility, and low cost. Electroactive ...

    Surface-mounted periodic field eddy current sensors for structural health monitoring

    Goldfine, N.J. / Zilberstein, V.A. / Schlicker, D.E. et al. | Tema Archiv | 2001
    mounted, like a strain gage, at critical locations for detection of crack initiation and monitoring of crack growth. This can be accomplished on a ...

    Miniature vibration isolation system for space applications

    Quenon, D. / Boyd, J. / Buchele, P. et al. | Tema Archiv | 2001
    Laboratory along with its partner DARPA, have initiated an aggressive program to develop a Miniature Vibration Isolation System (MVIS) for space ...

    Soil moisture and electrical conductivity prediction and their implication for landmine detection technologies

    Katsube, T.J. / Keating, P.K. / McNairn, H. et al. | Tema Archiv | 2004
    Physical properties, such as soil moisture, magnetic susceptibility and electrical conductivity (EC) are sources of signal interference for ...

    Shape memory alloy TiNi actuators for twist control of smart wing designs

    Jardine, A.P. / Kudva, J.N. / Martin, C. et al. | Tema Archiv | 1996
    being studied for a subscale model of a fighter aircraft. The use of the SME (Shape Memory Alloy) TiNi for wing twist actuation was investigated ...

    Materials and actuators for the shape control of structures

    des Rochettes, H.M. / Petitniot, J.L. | Tema Archiv | 2001
    Smart materials and actuators meet a noticeable requirement for the shape control of aerodynamic surfaces. This interest is borne as well ...

    Air vehicle integration issues and considerations for CLAS successful. implementation

    Lockyer, A.J. / Alt, K.H. / Kudva, J.N. et al. | Tema Archiv | 2001
    solved for final technology inclusion in an operational air-vehicle. Presented are some key results from the Air Force Research Laboratory's ...

    Aluminum nitride coatings for protection of diamond at high-temperature in air

    McGeoch, S.P. / Waddell, E.M. / Clark, C.C. et al. | Tema Archiv | 1999
    . Advances in the performance of synthetic diamond made by chemical vapor deposition promise an expanding range of applications for the material. An ...

    Fabrication and testing of diamond coatings on infrared windows for the Harrier GR7 and AV8-B systems

    Hudson, M.D. / Brierley, C.J. / Miller, A.J. et al. | Tema Archiv | 1997
    Forward looking infrared windows on aircraft suffer damage from liquid and solid particle impact. Diamond is a suitable material for ...

    Noiseless propulsion for swimming robotic structures using polyelectrolyte ion-exchange membrane

    Mojarrad, M. / Shahinpoor, M. | Tema Archiv | 1996
    frequency and amplitude, K for this experimental robotic swimmer using a rectangular strip of polyelectrolyte ion-exchange-metal-composite membrane ...

    Smart fastener for KC-135 structural integrity monitoring

    Schoess, J.N. / Seifert, G. | Tema Archiv | 1997
    Hidden and inaccessible corrosion in aircraft structures is the number-one logistics problem for the U.S. Air Force, with an estimated ...

    Frontiers in Infrared Windows and Dome Materials

    Harris, D.C. | Tema Archiv | 1995
    discussed. Engineering alternatives must be considered for extending the range of operating conditions for infrared windows and dome materials. ...

    NDE applications in an anchor bolt and sign bridge inspection program

    Fish, P.E. | Tema Archiv | 1998
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Smart materials for turbomachinery quieting

    Jonson, M.L. / Lysak, P.D. / Willits, S.M. | Tema Archiv | 2000
    materials for quieting turbomachinery. The team is composed of representatives from Pennsylvania State University, General Dynamics Electric Boat ...

    Thermal investigation of real aircraft components

    Dal Toe, S. / Bison, P.G. / Marinetti, S. et al. | Tema Archiv | 2001
    Composite materials are prone to various damages, particularly if used for aeronautic fuselage components. These parts are increasingly ...

    Piezoelectric ceramic assembly tubes for torsional actuators (and application to helicopter rotor blade control)

    Kim, C. / Glazounov, A.E. / Flippen, F.D. et al. | Tema Archiv | 1999
    The efforts described here are intended to provide a basis for the utilization of novel piezoelectric actuators in smart materials and ...

    Investigating the use of ultrasonic guided waves for aging wire insulation assessment

    Anastasi, R.F. / Madaras, E.I. | Tema Archiv | 2002
    becomes brittle and cracks. This exposes the underlying conductive wire to the potential for short circuits and fire. The difficulty is that ...