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  • Conference paper
    Neau G, Lowe M, Deschamps M, 2002,

    Propagation of Lamb waves in anisotropic and absorbing plates: theoretical deviation and experiments

    , Pages: 1062-1069
  • Conference paper
    Cawley P, 2002,

    NDE of adhesive joints - what can be detected?

    , N/A, Proceedings of the 25th annual meeting of the Adhesion Society, Inc. and the second world congress on adhesion and related phenomena (WCARP-II), 10-14 February 2002, Orlando, Florida, Publisher: Adhesion Society, Pages: 127-139, ISSN: 1086-9506
  • Journal article
    Cawley P, Lowe MJS, Simonetti F, Chevalier C, Roosenbrand AGet al., 2002,

    The variation of the reflection coefficient of extensional guided waves in pipes from defects as a function of defect depth, axial extent, circumferential extent and frequency

    , PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, Vol: 216, Pages: 1131-1143, ISSN: 0954-4062
  • Conference paper
    Long R, Vine K, Lowe MJS, Cawley Pet al., 2002,

    The effect of soil properties on acoustic wave propagation in buried iron water pipes

    , Melville, NY, 14th annual review of progress in quantitative nondestructive evaluation, Brunswick, Maine, 29 July - 3 August 2001, Publisher: AIP Press, Pages: 1310-1317
  • Conference paper
    Beard M, Pavlakovic B, Lowe M, Cawley Pet al., 2002,

    Developpement d'une technique d'auscultation par onde guidee des boulons d'ancrage et des cables de precontrainte noyes

    , Evaluations non destructives pour le genie civil, 2001, Publisher: Laboratoire Central de Ponts et Chaussees, Pages: 29-40, ISSN: 1269-1496
  • Conference paper
    Demma A, Cawley P, Lowe MJS, 2002,

    Guided waves in curved pipes

    , 14th annual review of progress in quantitative nondestructive evaluation, Brunswick, Maine, 29 July - 3 August 2001, Publisher: AIP Press, Pages: 157-164
  • Conference paper
    Vogt T, Lowe MJS, Cawley P, 2002,

    Ultrasonic waveguide techniques for the measurement of material properties

    , 14th annual review of progress in quantitative nondestructive evaluation, Brunswick, Maine, 29 July - 3 August 2001, Publisher: AIP Press, Pages: 1742-1749
  • Journal article
    Alleyne DN, Pavlakovic B, Lowe M, Cawley Pet al., 2002,

    The use of guided waves for rapid screening of chemical plant pipework

    , Journal of the Korean Society for Nondestructive testing, Vol: 22, Pages: 589-598, ISSN: 1225-7842
  • Conference paper
    Beard M, Pavlakovic B, Lowe M, Cawley Pet al., 2002,

    Developpement d'une technique d'auscultation par onde guidee des boulons d'ancrage et des cables de precontrainte noyes

    , Evaluations non destructives pour le genie civil, 2001, Publisher: Laboratoire Central de Ponts et Chaussees, Pages: 29-40, ISSN: 1269-1496
  • Book chapter
    Lowe MJS, 2002,

    Ultrasonics

    , Encyclopedia of vibration, Editors: Braun, Ewins, Rao, Braun, Ewins, Rao, San Diego, Publisher: Academic Press, Pages: 1437-1441, ISBN: 9780122270888
  • Conference paper
    Wilcox P, Evans M, Diligent O, Lowe M, Cawley Pet al., 2002,

    Dispersion and excitability of guided acoustic waves in isotropic beams with arbitrary cross section

    , 14th annual review of progress in quantitative nondestructive evaluation, Brunswick, Maine, 29 July - 3 August 2001, Publisher: AIP Press, Pages: 203-210
  • Conference paper
    Baly S, Potel C, De Belleval JF, Lowe MJSet al., 2002,

    Numerical and experimental deviation of monochromatic Lamb wave beam for anisotropic multilayered media

    , New York, Review of progress in quantitative nondestructive evaluation, Publisher: American Institue of Physics, Pages: 270-277
  • Journal article
    Vine K, Cawley P, Kinloch AJ, 2001,

    Comparison of normal and oblique incidence ultrasonic measurements for the detection of environmental degradation of adhesive joints

    , NDT & E International, Vol: 35, Pages: 241-253, ISSN: 0963-8695
  • Journal article
    Aristégui C, Lowe MJS, Cawley P, 2001,

    Guided waves in fluid-filled pipes surrounded by different fluids

    , ULTRASONICS, Vol: 39, Pages: 367-375, ISSN: 0041-624X
  • Journal article
    Dalton RP, Cawley P, Lowe MJ, 2001,

    Propagation of acoustic emission signals in metallic fuselage structure

    , IEE PROCEEDINGS-SCIENCE MEASUREMENT AND TECHNOLOGY, Vol: 148, Pages: 169-177, ISSN: 1350-2344
  • Journal article
    Dalton RP, Cawley P, Lowe MJS, 2001,

    The potential of guided waves for monitoring large areas of metallic aircraft fuselage structure

    , JOURNAL OF NONDESTRUCTIVE EVALUATION, Vol: 20, Pages: 29-46, ISSN: 0195-9298
  • Journal article
    Alleyne DN, Pavlakovic B, Lowe MJS, Cawley Pet al., 2001,

    Rapid long-range inspection of chemical plant pipework using guided waves

    , INSIGHT, Vol: 43, Pages: 93-+, ISSN: 1354-2575
  • Journal article
    Vine K, Cawley P, Kinloch AJ, 2001,

    The correlation of non-destructive measurements and toughness changes in adhesive joints during environmental attack

    , Journal of Adhesion, Vol: 77, Pages: 125-161, ISSN: 1545-5823

    Normal-incidence ultrasonic scans have been conducted on two- and three-layer adhesive-joint specimens exposed to water at 50°C for periods of up to 18 months. The joints consisted of aluminium-alloy adherends which were subjected to one of four different surface pretreatments prior to being coated (for the two-layer specimens) or bonded (for the three-layer specimens) with an epoxy polymer. The four commonly used pretreatments which were investigated were a grit-blast, a chromic-acid etch (CAE), a chromic-acid anodise (CAA) and a phosphoric-acid anodise (PAA). Techniques have been developed to measure the fracture toughness, Gc, of the specimens before and after water exposure such that fracture toughness maps could be ascertained, where the measured values of Gc may be assigned to spatially discrete positions within the specimens. The relative performance of the different pretreatments used in the present work followed that expected from the literature: the chromic-acid anodised (CAA) surface pretreatment giving the most durable two- and three-layer specimens and the grit-blasting pretreatment giving the least durable. In the two-layer specimens, the ultrasonic inspections detected two main types of defects: corrosion-driven edge-disbonds and micro-defects. The edge-disbonding mechanism usually started at an unsealed flush edge, and was initiated by a region of corrosion which developed on the edge of the specimen and which undercut the epoxy layer. Edge-disbonds were easily and accurately detected ultrasonically. Micro-defects were detected in regions remote from the edges and these small-scale, isolated defects took several forms. In the case of the three-layer joint specimens, only edge-disbonds could be detected ultrasonically. Nevertheless, in some of the three-layer joints which were attacked and weakened by ingressing water, the failure surfaces suggested that micro-defects were present. For both the two- and the three-layer specimens, the results from
  • Journal article
    Wilcox PD, Lowe M, Cawley P, 2001,

    The effect of dispersion on long-range inspection using ultrasonic guided waves

    , NDT & E INTERNATIONAL, Vol: 34, Pages: 1-9, ISSN: 0963-8695
  • Journal article
    Pavlakovic BN, Lowe MJS, Cawley P, 2001,

    High-frequency low-loss ultrasonic modes in imbedded bars

    , JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME, Vol: 68, Pages: 67-75, ISSN: 0021-8936

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