Award Data

Viewing the horizon is helpful in reducing the symptoms of motion sickness in ship board personnel. Many of a ship's complement are required to constantly monitor visual displays that are fixed to the deck and provide no view of the horizon. Virtual i-O! proposes a research study where horizon information is provided in combination with a visual display mounted on the head. This information ...

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Dense, high-performance electronic systems employ advanced substrate materials, such as ceramics, for maximum heat dissipation. During the fabrication of these ceramic packages various thick-film and thin-film materials are bonded to the substrate and subsequently serve as circuit paths and attachment points for the integrated circuit die. Rapid, high-resolution bond integrity measurements must ...

The proposed study will evaluate the effectiveness of combining polishing and doping to reduce twin nucleation sites and to prevent twin boundary movement in sapphire to improve its thermal shock resistance. Doped and undoped single-crystal sapphire will be grown by the Czochralski method. The crystal surfaces will be mechanically and chemically polished. Dopant diffusion into the surface l ...

The development of an intelligent shearography optical inspection system with an innovative and robust excitation technique for detecting weak bonds, delamination, and disbonds in composite materials and structures is proposed. This development will be conducted with the collaboration of Sandia National Laboratories, which manages the Federal Aviation Administration Aging Aircraft NDI Validat ...

A one degree of freedom high-frequency aerodynamic bearing-balance will be developed for force, moment, and orientation measurements under non-steady-state flight conditions. A cylindrical bearing-balance three inches in diameter using displacement sensing will be considered as the best candidate for the design. To satisfy the requirement for achieving a natural frequency of 800Hz, the balance m ...

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