1–10 of 54 hits
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    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 Archive | 2008
    The prerequisite for more competent and cost effective aircraft has led to the evolution of innovative testing and evaluation procedures ...

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

    Takeda, N. | Tema Archive | 2008
    optical fiber and its fiber Bragg grating (FBG) sensor for embedment inside a lamina of composite laminates without strength reduction. First, the ...

    Hybrid, contact, and no contact measurement system for industry

    Sitnik, R. / Sladek, J. / Kupiec, M. et al. | Tema Archive | 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 Archive | 2008
    conditions. In the current research, a structural health monitoring (SHM) and prognosis framework is being developed for heterogeneous material ...

    Detection of impact damage on thermal protection systems using thin-film piezoelectric sensors for integrated structural health monitoring

    Na, J.K. / Kuhr, S.J. / Jata, K.V. | Tema Archive | 2008
    inspection, and white light interferometry were used for damage verification. Based on the impact test results, an assessment of the impact damage ...

    Detection of disbonds in a honeycomb composite structure using guided waves

    Baid, H. / Banerjee, S. / Joshi, S. et al. | Tema Archive | 2008
    Advanced composites are being used increasingly in state-of-the-art aircraft and aerospace structures. In spite of their many advantages ...

    Inspection of Lamb waves in carbon fiber composites using shearographic interferometry

    Focke, O. / Hildebrand, A. / Kopylow, C. von et al. | Tema Archive | 2008
    realized by a Mach-Zehnder interferometer which combines spatial phase shifting and shearography. The latter is a laser based technique whereby the ...

    Demonstration of detectability of SHM system with FBG/PZT hybrid system in composite wing box structure

    Soejima, H. / Ogisu, T. / Yoneda, H. et al. | Tema Archive | 2008
    We have developed a novel damage monitoring system that can monitor the integrity of composite structures in aircrafts. In this system ...

    Structural health monitoring of composites using integrated ultrasonic transducers

    Kobayashi, M. / Wu, K.T. / Song, L. et al. | Tema Archive | 2008
    technique. The center operation frequency of these sensors ranged from 1.3 MHz to 10.5 MHz. For the first sensor type, piezoelectric films of ...

    Surveillance video with spatially registered graphics for decision support

    Majoros, A. / Ianni, J. / Davies, P. et al. | Tema Archive | 2007
    , and presents a rapidly growing volume of content for those observers to understand and integrate. However, knowing the identity of objects and ...