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  • Conference paper
    Kang B, Cawley P, 2007,

    Low power PZT exciter for thermosonics

    , 33rd Annual Review of Progress in Quantitative Nondestructive Evaluation, Publisher: AMER INST PHYSICS, Pages: 484-+, ISSN: 0094-243X
  • Conference paper
    Morbidini M, Cawley P, Barden TJ, Almond DP, Duffour Pet al., 2007,

    The relationship between crack damping, vibration amplitude and temperature rise in thermosonics NDT

    , 33rd Annual Review of Progress in Quantitative Nondestructive Evaluation, Publisher: AMER INST PHYSICS, Pages: 492-499, ISSN: 0094-243X
  • Journal article
    Morbidini M, Cawley P, Barden T, Almond D, Duffour Pet al., 2006,

    Prediction of the thermosonic signal from fatigue cracks in metals using vibration damping measurements

    , JOURNAL OF APPLIED PHYSICS, Vol: 100, ISSN: 0021-8979
  • Journal article
    Ma J, Simonetti F, Lowe MJS, 2006,

    Scattering of the fundamental torsional mode by an axisymmetric layer inside a pipe

    , JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, Vol: 120, Pages: 1871-1880, ISSN: 0001-4966
  • Journal article
    Hesse D, Cawley P, 2006,

    Surface wave modes in rails

    , JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, Vol: 120, Pages: 733-740, ISSN: 0001-4966
  • Journal article
    Fromme P, Wilcox PD, Lowe MJS, Canvley Pet al., 2006,

    On the development and testing of a guided ultrasonic wave array for structural integrity monitoring

    , IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, Vol: 53, Pages: 777-785, ISSN: 0885-3010
  • Conference paper
    Fleming M, Lowe MJS, Simonetti F, Cawley Pet al., 2006,

    Super resolution imaging: performance studies

    , Brunswick, Maine (USA), AIP Conference Proceedings, Publisher: AIP, Pages: 736-743, ISSN: 0094-243X
  • Conference paper
    Sposito G, Simonetti F, Cawley P, Nagy PBet al., 2006,

    Potential drop spectroscopy for characterization of complex defects

    , Brunswick, Maine (USA), AIP Conference Proceedings, Publisher: AIP, Pages: 407-414, ISSN: 0094-243X
  • Conference paper
    Ma J, Simonetti F, Lowe MJS, 2006,

    Sludge and blockage characterization inside pipes using guided ultrasonic waves

    , Brunswick, Maine (USA), AIP Conference Proceedings, Publisher: AIP, Pages: 1656-1663, ISSN: 0094-243X
  • Conference paper
    Davies J, Simonetti F, Lowe M, Cawley Pet al., 2006,

    Review of synthetically focused guided wave imaging techniques with application to defect sizing

    , Brunswick, Maine (USA), AIP Conference Proceedings, Publisher: AIP, Pages: 142-149, ISSN: 0094-243X
  • Journal article
    Duffour P, Morbidini M, Cawley P, 2006,

    Comparison between a type of vibro-acoustic modulation and damping measurement as NDT techniques

    , NDT & E INTERNATIONAL, Vol: 39, Pages: 123-131, ISSN: 0963-8695
  • Journal article
    Duffour P, Morbidini M, Cawley P, 2006,

    A study of the vibro-acoustic modulation technique for the detection of cracks in metals

    , JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, Vol: 119, Pages: 1463-1475, ISSN: 0001-4966
  • Journal article
    Cegla FB, Cawley P, Lowe MJS, 2006,

    Fluid bulk velocity and attenuation measurements in non-Newtonian liquids using a dipstick sensor

    , MEASUREMENT SCIENCE AND TECHNOLOGY, Vol: 17, Pages: 264-274, ISSN: 0957-0233
  • Conference paper
    Barden TJ, Almond DP, Morbidini M, Cawley Pet al., 2006,

    Advances in thermosonics for detecting impact damage in CFRP composites

    , 44th Annual British Conference on NDT, Publisher: BRITISH INST NON-DESTRUCTIVE TESTING, Pages: 90-93, ISSN: 1354-2575
  • Conference paper
    Ryden N, Lowe MJS, Cawley P, Park CBet al., 2006,

    Non-contact surface wave measurements using a microphone

    , Pages: 1110-1115

    Pavements are typically constructed using several layers of materials, and their durability depends on the quality of these strata. It is therefore very valuable to be able to determine the properties of the layers non-destructively. Accelerometers can be used as receivers in surface wave testing of pavements, but require good seismic coupling to the surface. We present experiments using a non-directional audio microphone as a non-contact receiver. Leaky air-coupled surface waves are measured and processed using the Multichannel Analysis of Surface Waves (MASW) technique. Results show that leaky surface waves can be accurately measured using an ordinary audio microphone. This opens up the possibility for fast on-the-fly surface wave testing of pavements. We present the method along with a case study where the thickness and the stiffness of a concrete slab are evaluated from a data set acquired using a microphone as a non-contact receiver.
  • Journal article
    Kondo S, Sayles RS, Lowe MJS, 2006,

    A combined optical-ultrasonic method of establishing the compressibility of high-pressure oil and grease films entrapped in a ball on flat contact

    , JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, Vol: 128, Pages: 155-167, ISSN: 0742-4787
  • Conference paper
    Cawley P, 2006,

    Machinery condition monitoring and structural health monitoring - Potential for cross fertilisation?

    , 3rd European Workshop on Structural Health Monitoring, Publisher: DESTECH PUBLICATIONS, INC, Pages: 1324-1328
  • Conference paper
    Morbidini M, Cawley P, Barden TJ, Almond DP, Duffour Pet al., 2006,

    A new approach for the prediction of the thermosonic signal from vibration records

    , Publisher: American Institute of Physics, Pages: 558-565, ISSN: 0094-243X
  • Conference paper
    Drozdz M, Moreau L, Castaings M, Lowe MJS, Cawley Pet al., 2006,

    Efficient numerical modelling of absorbing regions for boundaries of guided waves problems

    , Publisher: American Institute of Physics, Pages: 126-133, ISSN: 0094-243X
  • Conference paper
    Cegla FB, Cawley P, Lowe MJS, 2006,

    Measurement of bulk velocity and attenuation in fluids and particle suspensions using the quasi-Scholte mode

    , Publisher: American Institute of Physics, Pages: 1245-1252, ISSN: 0094-243X

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