| Fabrication and comparison of PMN-PT single crystal, PZT and PZT-based 1-3 composite ultrasonic transducers for NDE applications KB Kim, DK Hsu, B Ahn, YG Kim, DJ Barnard Ultrasonics 50 (8), 790-797, 2010 | 107 | 2010 |
| Acoustic harmonic generation due to thermal embrittlement of Inconel 718 DJ Barnard, GE Dace, O Buck Journal of Nondestructive Evaluation 16, 67-75, 1997 | 89 | 1997 |
| Review of Progress in Quantitative Nondestructive Evaluation DK Hsu, DJ Barnard, JJ Peters, V Dayal AIP, New York, 2000 | 75 | 2000 |
| Additive manufacturing metrology: State of the art and needs assessment L Koester, H Taheri, LJ Bond, D Barnard, J Gray AIP conference Proceedings 1706 (1), 2016 | 63 | 2016 |
| Acoustic harmonic generation at diffusion bonds DJ Barnard, GE Dace, DK Rehbein, O Buck Journal of nondestructive evaluation 16, 77-89, 1997 | 62 | 1997 |
| Physical basis of tap test as a quantitative imaging tool for composite structures on aircraft DK Hsu, DJ Barnard, JJ Peters, V Dayal AIP Conference Proceedings 509 (1), 1857-1864, 2000 | 57 | 2000 |
| Estimation of porosity content of composite materials by applying discrete wavelet transform to ultrasonic backscattered signal KB Kim, DK Hsu, DJ Barnard NDT & E International 56, 10-16, 2013 | 51 | 2013 |
| Variation of nonlinearity parameter at low fundamental amplitudes DJ Barnard Applied physics letters 74 (17), 2447-2449, 1999 | 48 | 1999 |
| Viscous material-filled synthetic defects for vibrothermography J Renshaw, SD Holland, DJ Barnard Ndt & E International 42 (8), 753-756, 2009 | 45 | 2009 |
| Ultrasonic attenuation due to grain boundary scattering in copper and copper-aluminum XG Zhang, WA Simpson Jr, JM Vitek, DJ Barnard, LJ Tweed, J Foley The Journal of the Acoustical Society of America 116 (1), 109-116, 2004 | 45 | 2004 |
| A shear test method to measure shear strength of metallic materials and solder joints using small specimens Ö Ünal, DJ Barnard, IE Anderson Scripta Materialia 40 (3), 271-276, 1999 | 40 | 1999 |
| Monitoring fatigue damage accumulation with Rayleigh wave harmonic generation measurements DJ Barnard, LJH Brasche, D Raulerson, AD Degtyar AIP Conference Proceedings 657 (1), 1393-1400, 2003 | 39 | 2003 |
| Nonlinear forced vibration of carbon fiber/epoxy prepreg composite beams: Theory and experiment SK Chakrapani, DJ Barnard, V Dayal Composites Part B: Engineering 91, 513-521, 2016 | 37 | 2016 |
| Receiver calibration and the nonlinearity parameter measurement of thick solid samples with diffraction and attenuation corrections H Jeong, D Barnard, S Cho, S Zhang, X Li Ultrasonics 81, 147-157, 2017 | 34 | 2017 |
| Non-destructive inspections and the display of inspection results DK Hsu, DJ Barnard, JJ Peters, NA Hudelson US Patent 6,327,921, 2001 | 31 | 2001 |
| Review of Progress in Quantitative Nondestructive Evaluation, edited by DO Thompson and DE Chimenti JN Caron, JB Mehl, KV Steiner Plenum, New York, 1997 | 31 | 1997 |
| Determination of acoustic nonlinearity parameter (β) using nonlinear resonance ultrasound spectroscopy: Theory and experiment SK Chakrapani, DJ Barnard The Journal of the Acoustical Society of America 141 (2), 919-928, 2017 | 30 | 2017 |
| A prototype tap test imaging system: Initial field test results JJ Peters, DJ Barnard, NA Hudelson, TS Simpson, DK Hsu AIP Conference Proceedings 509 (1), 2053-2060, 2000 | 30 | 2000 |
| An exploration of the utilities of terahertz waves for the NDE of composites DK Hsu, KH Im, CP Chiou, DJ Barnard AIP conference proceedings 1335 (1), 533-540, 2011 | 27 | 2011 |
| Characterization of waviness in wind turbine blades using air coupled ultrasonics SK Chakrapani, V Dayal, DK Hsu, DJ Barnard, A Gross AIP Conference Proceedings 1335 (1), 956-962, 2011 | 25 | 2011 |
