Journal Articles

E. Escobar-Ruiz, D. Wright, I. Collison, P. Cawley, and P. B. Nagy, “Reflection phase measurements for ultrasonic NDE of titanium diffusion bonds,” J. Nondestr. Eval. 33, 535-546 (2014).

P. B. Nagy, F. Simonetti, and G. Instanes, Corrosion and erosion monitoring in plates and pipes using constant group velocity Lamb wave inspection, Ultrasonics 54, 1832–1841 (2014).

A. Brath, F. Simonetti, P. B. Nagy, and G. Instanes, “Acoustic formulation of elastic guided wave propagation and scattering in curved tubular structures,” IEEE Trans. Ultras. Ferr. Freq. Contr. 61, 815-829 (2014).

E. Escobar-Ruiz, A. Ruiz, W. Hassan, D. Wright, I. Collison, P. Cawley, and P. B. Nagy, “Non-linear ultrasonic NDE of titanium diffusion bonds,” J. Nondestr. Eval. 33, 187-195 (2014).

C. L. Willey, F.Simonetti, P. B. Nagy, G. Instanes, Guided wave tomography of pipes with high-order helical modes, NDT&E Int. 65, 8-21 (2014).

P. B. Nagy, J. Qu, and L. J. Jacobs, Finite-size effects on the quasistatic displacement pulse produced by an acoustic tone burst propagating through a solid specimen with quadratic nonlinearity, J. Acoust. Soc. Am. 134, 1760-1774 (2013).

R. Ribichini, P. B. Nagy and H. Ogi, The impact of magnetostriction on the transduction of normal bias field EMATs, NDT&E Int. 51, 8-15 (2012).

A. Demčenko, R. Akkerman, P. B. Nagy, and R. Loendersloot, Non-collinear wave mixing for non-linear ultrasonic detection of physical ageing in PVC, NDT&E Int. 49, 34-39 (2012).

J. Qu, P. B. Nagy, and L. J. Jacobs, Pulse propagation in an elastic medium with quadratic nonlinearity, J. Acoust. Soc. Am. 131, 1827-1830 (2012).

S. Prajapati, P. B. Nagy, and P. Cawley, Potential drop detection of creep damage in the vicinity of welds, NDT&E Int. 47, 56-65 (2012).

R. Ribichini, F. Cegla, P. B. Nagy, and P. Cawley, Experimental and numerical evaluation of electromagnetic acoustic transducer performance on steel materials, NDT&E Int. 45, 32-38 (2012).

K. Milne, P. Cawley, P. B. Nagy, D. C. Wright, A. Dunhill, Ultrasonic non-destructive evaluation of titanium diffusion bonds, J. Nondestr. Eval. 30, 225-236 (2011).

R. Ribichini, F. Cegla, P. B. Nagy, and P. Cawley, “Study and comparison of different EMAT configurations for SH wave inspection,” IEEE Trans. Ultras. Ferr. Freq. Contr. 58, 2571-2581 (2011).

E. Madhi and P. B. Nagy, Sensitivity analysis of a directional potential drop sensor for creep monitoring, NDT&E Int. 44, 708-717 (2011).

J. Qu, L. J. Jacobs, and P. B. Nagy, On the acoustic-radiation-induced strain and stress in elastic solids with quadratic nonlinearity, J. Acoust. Soc. Am. 129, 3449-3452 (2011).

R. Ribichini, F. Cegla, P. B. Nagy, and P. Cawley, “Quantitative modelling of the transduction of electromagnetic acoustic transducers operating on ferromagnetic media,” IEEE Trans. Ultras. Ferr. Freq. Contr. 57, 2808-2817 (2010).

B. A. Abu-Nabah, W. T. Hassan, D. Ryan, M. P. Blodgett, and P. B. Nagy, “The effect of hardness on eddy current residual stress profiling in shot-peened nickel alloys,”  J. Nondestr. Eval. 29, 143-153 (2010).

G. Sposito, C. Ward, P. Cawley, P. B. Nagy, and C. Scruby, A review of non-destructive techniques for the detection of creep damage in power plant steelsNDT&E Int. 43, 555-567 (2010).

G. Sposito, P. Cawley, and P. B. Nagy, Potential drop mapping for the monitoring of corrosion or erosion, NDT&E Int. 43, 394-402 (2010).

P. B. Nagy, Nondestructive methods for materials state awareness monitoring, Insight 52, 61-71 (2010).

G. Sposito, P. Cawley, and P. B. Nagy, An approximate model for three-dimensional alternating current potential drop analyses using a commercial finite element code, NDT&E Int. 43, 134-140 (2010).

A. J. Croxford, P. D. Wilcox, B. W. Drinkwater, and P. B. Nagy, The use of non-collinear mixing for nonlinear ultrasonic detection of plasticity and fatigue, J. Acoust. Soc. Am. 126, EL117-122 (2009).

B. A. Abu-Nabah, F. Yu, W. T. Hassan, M. P. Blodgett, and P. B. Nagy, Eddy Current Residual Stress Profiling in Surface-Treated Engine Alloys, Nondestructive Testing and Evaluation  Nondestr. Test. Eval. 24, 209-232 (2009).

B. Abu-Nabah and P. B. Nagy, Lift-off effect in high-frequency eddy current conductivity spectroscopy, NDT&E Int. 40, 555-565 (2007).

B. Abu-Nabah and P. B. Nagy, High-frequency eddy current conductivity spectroscopy for residual stress profiling in surface-treated nickel-base superalloys, NDT&E Int 40, 405-418 (2007).

F. Yu and P. B. Nagy, On the influence of cold work on eddy current characterization of near-surface residual stress in shot-peened nickel-base superalloys, J. Nondestr. Eval. 25, 107-122 (2006).

B. Abu-Nabah and P. B. Nagy, Iterative inversion method for eddy current profiling of near-surface residual stress in surface-treated metals, NDT&E Int. 39, 641-651 (2006).

F. Yu, M. P. Blodgett, and P. B. Nagy, Eddy current assessment of near-surface residual stress in shot-peened inhomogeneous nickel-base superalloys, J. Nondestr. Eval. 25, 17-28 (2006).

F. Yu and P. B. Nagy, Dynamic piezoresistivity calibration for eddy current nondestructive residual stress measurements, J. Nondestr. Eval. 24, 143-152 (2005).

M. P. Blodgett and P. B. Nagy, Eddy current assessment of near-surface residual stress in shot-peened nickel-base superalloys, J. Nondestr. Eval. 23, 107-123 (2004).

F. Yu and P. B. Nagy, Simple analytical approximations for eddy current profiling of the near-surface residual stress in shot-peened metals, J. Appl. Phys. 96, 1257-1266 (2004).

F. Yu and P. B. Nagy, Numerical method for calculating the apparent eddy current conductivity loss on randomly rough surfaces, J. Appl. Phys. 95, 8340-8351 (2004).

A. Ruiz and P. B. Nagy, Laser-ultrasonic surface wave dispersion measurements on surface-treated metals, Ultrasonics 42, 665-669 (2004).

K. Kalyanasundaram and P. B. Nagy, A simple numerical model for calculating the apparent loss of eddy current conductivity due to surface roughness, NDT&E Int. 37, 47-56 (2004).

A. Ruiz and P. B. Nagy, SAW dispersion measurements for ultrasonic characterization of surface-treated metals, Instr. Meas. Metr. 3, 59-85 (2003).

M. P. Blodgett, C. V. Ukpabi, and P. B. Nagy, Surface roughness influence on eddy current electrical conductivity measurements, Mat. Eval. 61, 765-772 (2003).

H. Carreon, B. Lakshminarayan, F. Faidi, A. H. Nayfeh,  and P. B. Nagy, On the role of material property gradients in noncontacting thermoelectric NDE, NDT&E Int. 36, 339-348 (2003).

A. H. Nayfeh, H. Carreon, and P. B. Nagy, Role of anisotropy in noncontacting thermoelectric materials characterization, J. Appl. Phys. 91, 225-231 (2002).

Z. Yan and P. B. Nagy, Thermo-optical modulation of ultrasonic surface waves for NDE, Ultrasonics 40, 689-696 (2002).

H. Carreon, P. B. Nagy, and M. P. Blodgett, Thermoelectric nondestructive evaluation of residual stress in shot-peened metals, Res. Nondestr. Eval. 14, 59-80 (2002).

A. Ruiz M. and P. B. Nagy, Diffraction correction for precision velocity measurements, J. Acoust. Soc. Am. 112, 835-843 (2002).

H. Carreon, P. B. Nagy, and A. H. Nayfeh, Thermoelectric detection of spherical tin inclusions in copper by magnetic sensing, J. Appl. Phys. 88, 6495-6500 (2000).

A. H. Nayfeh, W. G. Abdelrahman, and P. B. Nagy, Analyses of axisymmetric waves in layered piezoelectric rods and their composites, J. Acoust. Soc. Am. 108, 1496-1504 (2000).

P. B. Nagy and A. H. Nayfeh, On the thermoelectric magnetic field of spherical and cylindrical inclusions, J Appl. Phys. 87, 7481-7490 (2000).

M. Blodgett, W. Hassan, and P. B. Nagy, Theoretical and experimental investigations of the lateral resolution of eddy current imaging, Mat. Eval. 58, 647-654 (2000).

Z. Yan and P. B. Nagy, Thermo-optical modulation for improved ultrasonic fatigue crack detection in Ti-6Al-4V, NDT&E Int. 33, 213-223 (2000).

T. Strilka, M. Sajben, and P. B. Nagy, Continuous monitoring of binary mixture concentration with application to turbine blade cooling experiments, J. Turbomach. 122, 570-578 (2000).

W. Hassan and P. B. Nagy, Experimental investigation of the grain noise in interferometric detection of ultrasonic waves, J. Nondestr. Eval. 18, 139-148 (1999).

W. Hassan and P. B. Nagy, Experimental verification of the opposite effect of fluid loading on the velocity of dilatational waves in thin plates and rods, J. Acoust. Soc. Am. 105, 3026-3034 (1999).

W. Hassan and P. B. Nagy, Simplified expressions for the displacements and stresses produced by the Rayleigh wave, J. Acoust. Soc. Am. 104, 3107-3110 (1998).

W. Hassan and P. B. Nagy, On the anomalously low attenuation of the leaky Rayleigh wave in a fluid-filled cylindrical cavity, J. Acoust. Soc. Am. 104, 1246-1255 (1998).

J. Hu and P. B. Nagy, On the role of interface imperfections in thermoelectric nondestructive materials characterization, Appl. Phys. Lett. 73, 467-469 (1998).

T. J. Lienert, P. B. Nagy, and W. A. Baeslack III, “Ultrasonic characterization of inertia-friction welds in SiC-reinforced 8009 aluminum,” Welding Journal 77, 14-28 (1998).

P. B. Nagy, Fatigue damage assessment by nonlinear ultrasonic materials characterization, Ultrasonics 36, 375-381 (1998).

M. Blodgett and P. B. Nagy, Anisotropic grain noise in eddy current inspection of noncubic polycrystalline metals, Appl. Phys. Lett. 72, 1045-1047(1998).

H. Xiao and P. B. Nagy, Enhanced ultrasonic detection of fatigue cracks by laser-induced crack-closure, J. Appl. Phys. 83, 7453-7460 (1998).

S. Chen and P. B. Nagy, Edge weld penetration assessment using the potential drop technique, NDT&E Int. 31, 1-10 (1998).

W. Hassan and P. B. Nagy, Why fluid-loading has an opposite effect on the velocity of dilatational waves in thin plates and rods, J. Acoust. Soc. Am. 102, 3478-3483 (1997).

W. Hassan and P. B. Nagy, On the low-frequency oscillation of a fluid layer between two elastic plates, J. Acoust. Soc. Am. 102, 3343-3348 (1997).

W. Hassan and P. B. Nagy, Circumferential creeping waves around a fluid-filled cylindrical cavity in an elastic medium, J. Acoust. Soc. Am. 101, 2496-2503 (1997).

A. H. Nayfeh and P. B. Nagy, Excess attenuation of leaky Lamb waves due to viscous fluid loading, J. Acoust. Soc. Am. 101, 2649-2658 (1997).

P. B. Nagy and A. H. Nayfeh, Viscosity induced attenuation of longitudinal guided waves in fluid-loaded rods, J. Acoust. Soc. Am. 100, 1501-1508 (1996).

K. W. Hollman, M. R. Holland, J. G. Miller, P. B. Nagy, and J. H. Rose Effective ultrasonic transmission coefficient for randomly rough surfaces, J. Acoust. Soc. Am. 100, 832-839 (1996).

A. H. Nayfeh and P. B. Nagy, General study of axisymmetric waves in layered anisotropic fibers and their composites, J. Acoust. Soc. Am. 99, 931-941 (1996).

P. B. Nagy, Local variations of slow wave attenuation in air-filled permeable materials, J. Acoust. Soc. Am. 99, 914-919 (1996).

P. B. Nagy and D. L. Johnson, Improved materials characterization by pressure-dependent ultrasonic attenuation in air-filled permeable solids, Appl. Phys. Lett. 68, 3707-3709 (1996).

P. B. Nagy, B. P. Bonner, and L. Adler, Slow wave imaging of permeable rocks, Geophysical Research Letters 22, 1053-1056 (1995).

P. B. Nagy, Longitudinal guided wave propagation in a transversely isotropic rod immersed in fluid, J. Acoust. Soc. Am. 98, 454-457 (1995).

P. B. Nagy and A. H. Nayfeh, Generalized formula for the surface stiffness of fluid-saturated porous media containing parallel pore channelsAppl. Phys. Lett. 67, 1827-1829 (1995).

P. B. Nagy and R. M. Kent, Ultrasonic assessment of Poisson's ratio in thin rods, J. Acoust. Soc. Am. 98, 2694-2701 (1995).

P. B. Nagy and G. Blaho, Experimental measurements of surface stiffness on water saturated porous solids, J. Acoust. Soc. Am.95, 828-835 (1994).

J. H. Rose, M. Bilgen, and P. B. Nagy, Acoustic double-reflection and transmission at a rough water-solid interface, J. Acoust. Soc. Am. 95, 3242-3251 (1994).

P. B. Nagy, Leaky guided wave propagation along imperfectly bonded fibers in composite materialsJ. Nondestr. Eval. 13, 137-145 (1994).

P. B. Nagy, M. Blodgett, and M. Golis, Weep hole inspection by circumferential creeping waves, NDT&E Int. 27, 131-142 (1994).

P. B. Nagy and L. Adler, Increased incoherent backscattering from a liquid-solid interface at the Rayleigh angle, J. Acoust. Soc. Am. 96, 2537-2545 (1994).

L. Adler and P. B. Nagy, Measurements of acoustic surface waves on fluid-filled porous rocks, J. Geophys. Res. 99, 17863-17869 (1994).

P. B. Nagy and J. H. Rose, Surface roughness and the ultrasonic detection of subsurface scatterersJ. Appl. Phys. 73, 566-580 (1993).

P. B. Nagy, Slow wave propagation in air-filled permeable solids, J. Acoust. Soc. Am. 93, 3224-3234 (1993).

P. B. Nagy, Observation of a new surface mode on a fluid-saturated permeable solid Appl. Phys. Lett. 60, 2,735-2,737 (1992).

P. B. Nagy and L. Adler, Ultrasonic evaluation of solid-state bondsMat. Eval. 50, 1328-1337 (1992).

P. B. Nagy, Ultrasonic classification of imperfect interfaces J. Nondestr. Eval. 11, 127-139 (1992).

P. B. Nagy and G. Blaho, Random speckle modulation technique for laser interferometryJ. Nondestr. Eval. 11, 41-49 (1992).

P. B. Nagy, Ultrasonic detection of kissing bonds at adhesive interfaces J. Adhesion Sci. Technol. 5, 619-630 (1991).

K. Wu, P. B. Nagy and L. Adler, Far-field radiation of a vibrating point source in anisotropic mediaJ. Nondestr. Eval 10, 71-78 (1991).

P. B. Nagy and L. Adler, Acoustic material signature from frequency analysis, J. Appl. Phys. 67, 3,876-3,878 (1990).

P. B. Nagy, L. Adler and B. Bonner, Slow wave propagation in air- filled porous materials and natural rocks, Appl. Phys. Lett. 56, 2,504-2,506 (1990).

L. Adler, M. deBilly, G. Quentin, M. Talmant, and P. B. Nagy, Evaluation of friction-welded aluminum-steel bonds by dispersive guided waves of a layered structureJ. Appl. Phys. 68, 6,072-6,076 (1990).

K. Mampaert, P. B. Nagy, O. Leroy, L. Adler, A. Jungman, and G. Quentin, On the origin of the anomalies in the reflected ultrasonic spectra from periodic surfaces, J. Acoust. Soc. Am. 86, 429-431 (1989).

P. B. Nagy and L. Adler, On the origin of increased backward radiation from a liquid-solid interface at the Rayleigh angle, J. Acoust. Soc. Am. 85, 1,355-1,357 (1989).

P. B. Nagy and L. Adler, Nondestructive evaluation of adhesive joints by guided wavesJ. Appl. Phys. 66, 4,658-4,663 (1989).

P. B. Nagy, A. Jungman, and L. Adler, Measurements of backscattered leaky Lamb waves in composite platesMat. Eval. 46, 97-100 (1988).

P. B. Nagy and L. Adler, Ultrasonic NDE of solid-state bonds: Inertia and friction weldsJ. Nondestr. Eval. 7, 199-215 (1988).

P. B. Nagy and L. Adler, Surface roughness induced attenuation of reflected and transmitted ultrasonic waves, J. Acoust. Soc. Am. 82, 193-197 (1987).

P. B. Nagy, K. Cho, L. Adler, and D. E. Chimenti, Focal shift of convergent ultrasonic beams reflected from a liquid-solid interface, J. Acoust. Soc. Am. 81, 835-839 (1987).

P. B. Nagy, Diffraction correction for a radiation force measurement on an infinite plane target, J. Acoust. Soc. Am. 79, 1,794-1,797 (1986).

P. B. Nagy and L. Adler, Diffraction scanner for ultrasonic reflection coefficient measurement, J. Acoust. Soc. Am. 79, 571-572 (1986).

M. J. Mayes, P. B. Nagy, L. Adler, B. Bonner, and R. Streit, Excitation of surface waves of different modes at fluid-porous solid interface, J. Acoust. Soc. Am. 79, 249-252 (1986).

P. B. Nagy, Diffraction correction for radiation force measurement on an ideal plane targetAcustica 61, 125-129 (1986).

P. B. Nagy, Background rejection in Schlieren visualization, Ultrasonics 21, 107-108 (1983).

P. B. Nagy and O. Lokberg, Low-amplitude measurement by direct lock-in ESPI, a proposal, Opt. Comm. 47, 18-22 (1983).

P. B. Nagy and P.Greguss, Helicopter blade tracking by laser lightOpt. Laser Techn. 14, 299-302 (1982).

Other Recent Professional Activities

Fellow of the Acoustical Society of America

Editor-in-Chief, Journal of Nondestructive Evaluation (Springer), 2011-present

Associate Editor, Journal of Nondestructive Evaluation (Springer), 2009-2011

Associate Editor, Ultrasonics (Elsevier), 2001-2011

Visiting Professor, Department of Mechanical Engineering, Imperial College London, 2005-present

Visiting Scientist, Metals and Ceramics Division, Air Force Research Laboratory, Wright Patterson Air Force Base, Dayton, OH, 1992-2003

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