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Daniel J Barnard - Publications

Affiliations: 
Center for Nondestructive Evaluation Iowa State University/Ames Lab (DOE) 
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47 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Chakrapani SK, Barnard DJ. Fatigue damage evaluation of carbon fiber reinforced composites using nonlinear resonance spectroscopy Ndt & E International. 116: 102331. DOI: 10.1016/J.Ndteint.2020.102331  0.419
2019 Chakrapani SK, Barnard DJ. A Calibration Technique for Ultrasonic Immersion Transducers and Challenges in Moving Towards Immersion Based Harmonic Imaging Journal of Nondestructive Evaluation. 38. DOI: 10.1007/S10921-019-0613-6  0.725
2017 Chakrapani SK, Howard A, Barnard D. Influence of surface roughness on the measurement of acoustic nonlinearity parameter of solids using contact piezoelectric transducers. Ultrasonics. 84: 112-118. PMID 29107873 DOI: 10.1016/J.Ultras.2017.10.022  0.729
2017 Jeong H, Barnard D, Cho S, Zhang S, Li X. Receiver calibration and the nonlinearity parameter measurement of thick solid samples with diffraction and attenuation corrections. Ultrasonics. 81: 147-157. PMID 28692853 DOI: 10.1016/J.Ultras.2017.06.020  0.316
2017 Chakrapani SK, Barnard DJ. Determination of acoustic nonlinearity parameter (β) using nonlinear resonance ultrasound spectroscopy: Theory and experiment. The Journal of the Acoustical Society of America. 141: 919. PMID 28253660 DOI: 10.1121/1.4976057  0.738
2017 Chakrapani SK, Barnard DJ. Inversion of acoustic nonlinearity parameter (beta) from nonlinear resonance ultrasound spectroscopy measurements The Journal of the Acoustical Society of America. 141: 3905-3905. DOI: 10.1121/1.4988798  0.743
2017 Livings R, Dayal V, Barnard D. Air-Coupled Ultrasonic Resonance Imaging of Hexagonal SiC and Alumina Tiles Journal of Nondestructive Evaluation. 36. DOI: 10.1007/S10921-017-0399-3  0.68
2016 Chakrapani SK, Barnard DJ, Dayal V. Influence of laminate sequence and fabric type on the inherent acoustic nonlinearity in carbon fiber reinforced composites. The Journal of the Acoustical Society of America. 139: 2310. PMID 27250126 DOI: 10.1121/1.4946996  0.789
2016 Daily C, Barnard DJ, Jones RW, McClelland JF, Bowler N. Dielectric and infrared inference of thermo-oxidative aging of a bismaleimide composite material Composites Part B: Engineering. 101: 167-175. DOI: 10.1016/J.Compositesb.2016.06.004  0.336
2016 Chakrapani SK, Barnard DJ, Dayal V. Nonlinear forced vibration of carbon fiber/epoxy prepreg composite beams: Theory and experiment Composites Part B: Engineering. 91: 513-521. DOI: 10.1016/J.Compositesb.2016.02.009  0.776
2016 Livings R, Dayal V, Barnard D. Damage Detection in a Multi-Layered, Multi-Material Composite Using Air-Coupled Ultrasonic Resonance Imaging Journal of Nondestructive Evaluation. 35. DOI: 10.1007/S10921-016-0368-2  0.687
2015 Chakrapani SK, Barnard D, Dayal V. Finite element simulation of core inspection in helicopter rotor blades using guided waves. Ultrasonics. PMID 26048172 DOI: 10.1016/J.Ultras.2015.05.009  0.767
2015 Chakrapani SK, Barnard DJ, Dayal V. Influence of fiber orientation on the inherent acoustic nonlinearity in carbon fiber reinforced composites. The Journal of the Acoustical Society of America. 137: 617-24. PMID 25697996 DOI: 10.1121/1.4906165  0.796
2015 Jeong H, Zhang S, Barnard D, Li X. Significance of accurate diffraction corrections for the second harmonic wave in determining the acoustic nonlinearity parameter Aip Advances. 5: 97179. DOI: 10.1063/1.4932145  0.342
2014 Chakrapani SK, Barnard D, Dayal V. Nondestructive evaluation of helicopter rotor blades using guided Lamb modes. Ultrasonics. 54: 826-33. PMID 24210414 DOI: 10.1016/J.Ultras.2013.10.011  0.767
2014 Im KH, Hsu DK, Chiou CP, Barnard DJ, Kim SK, Kang SJ, Cho YT, Jung JA, Yang IY. Influence of terahertz waves on unidirectional carbon fibers in CFRP Composite Materials Medziagotyra. 20: 457-463. DOI: 10.5755/J01.Ms.20.4.6440  0.395
2014 Chakrapani SK, Barnard D, Dayal V. Detection of in-plane fiber waviness in composite laminates using guided Lamb modes Aip Conference Proceedings. 1581: 1134-1140. DOI: 10.1063/1.4864948  0.778
2014 Subramanian A, Dayal V, Barnard DJ. Ultrasonic time-of-flight shift measurements in carbon composite laminates containing matrix microcracks Aip Conference Proceedings. 1581: 1098-1105. DOI: 10.1063/1.4864943  0.627
2013 Im KH, Hsu DK, Chiou CP, Barnard DJ. T-Ray NDE Inspections on the Fiber Direction of Thermoplastic PPS-Based CFRP Composites Advanced Materials Research. 650: 253-257. DOI: 10.4028/Www.Scientific.Net/Amr.650.253  0.328
2013 Im KH, Hsu DK, Chiou CP, Barnard DJ, Jung JA, Yang IY. Terahertz wave approach and application on FRP composites Advances in Materials Science and Engineering. 2013. DOI: 10.1155/2013/563962  0.408
2013 Chakrapani SK, Dayal V, Barnard D. Detection and characterization of waviness in unidirectional GFRP using rayleigh wave air coupled ultrasonic testing (RAC-UT) Research in Nondestructive Evaluation. 24: 191-201. DOI: 10.1080/09349847.2013.786158  0.783
2013 Kim K, Hsu DK, Barnard DJ. Estimation of porosity content of composite materials by applying discrete wavelet transform to ultrasonic backscattered signal Ndt & E International. 56: 10-16. DOI: 10.1016/J.Ndteint.2013.01.014  0.353
2012 Jeong H, Barnard D. Nonlinear Time Reversal Focusing and Detection of Fatigue Crack Journal of the Korean Society For Nondestructive Testing. 32: 355-361. DOI: 10.7779/Jksnt.2012.32.4.355  0.316
2012 Chakrapani SK, Dayal V, Barnard DJ, Eldal A, Krafka R. Ultrasonic Rayleigh wave inspection of waviness in wind turbine blades: Experimental and finite element method Aip Conference Proceedings. 1430: 1911-1917. DOI: 10.1063/1.4716444  0.76
2012 Livings RA, Dayal V, Barnard DJ, Hsu DK. Limitations of symmetry in FE modeling: A comparison of fem and air-coupled resonance imaging Aip Conference Proceedings. 1430: 1816-1823. DOI: 10.1063/1.4716432  0.607
2012 Livings RA, Dayal V, Barnard DJ, Hsu DK. Flaw investigation in a multi-layered, multi-material composite: Using air-coupled ultrasonic resonance imaging Aip Conference Proceedings. 1430: 1176-1183. DOI: 10.1063/1.4716353  0.649
2012 Hsu DK, Dayal V, Gerken M, Subramanian A, Im KH, Barnard DJ. A study of microcracks and delaminations in composite laminates Rilem Bookseries. 6: 661-667. DOI: 10.1007/978-94-007-0723-8_94  0.656
2011 Chakrapani SK, Dayal V, Barnard D, Hsu D. Investigation of discrete out-of-plane waviness in composite wind turbine blades using ultrasonic nondestructive evaluation American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) Pvp. 5: 259-266. DOI: 10.1115/PVP2011-57652  0.76
2011 Jeong H, Barnard D. Simultaneous Measurements of Harmonic Waves at Fatigue-Cracked Interfaces Chinese Physics Letters. 28: 84302. DOI: 10.1088/0256-307X/28/8/084302  0.322
2011 Chakrapani SK, Dayal V, Hsu DK, Barnard DJ, Gross A. Characterization of waviness in wind turbine blades using air coupled ultrasonics Aip Conference Proceedings. 1335: 956-962. DOI: 10.1063/1.3592041  0.752
2011 Livings RA, Dayal V, Barnard DJ, Hsu DK. Flaw detection in a multi-material multi-layered composite: Using FEM and air-coupled UT Aip Conference Proceedings. 1335: 942-949. DOI: 10.1063/1.3592039  0.642
2010 Kim KB, Hsu DK, Ahn B, Kim YG, Barnard DJ. Fabrication and comparison of PMN-PT single crystal, PZT and PZT-based 1-3 composite ultrasonic transducers for NDE applications. Ultrasonics. 50: 790-7. PMID 20580050 DOI: 10.1016/J.Ultras.2010.04.001  0.346
2010 Park JW, Im KH, Hsu DK, Chiou CP, Barnard DJ. Terahertz Ray Nondestructive Characterizations in FRP Composites Advanced Materials Research. 839-842. DOI: 10.4028/Www.Scientific.Net/Amr.123-125.839  0.354
2010 Bar HN, Dayal V, Barnard D, Hsu DK. Plate wave resonance with air-coupled ultrasonics Aip Conference Proceedings. 1211: 1069-1076. DOI: 10.1063/1.3362158  0.644
2009 Foreman CD, Dayal V, Barnard DJ, Hsu DK. Mechanical hysteresis as an NDE tool for evaluating composite honeycomb damage Aip Conference Proceedings. 1096: 1041-1048. DOI: 10.1063/1.3114068  0.628
2009 Yang IY, Im KH, Hsu DK, Dayal V, Barnard D, Kim JH, Cha CS, Cho YT, Kim DJ. Feasibility on fiber orientation detection of unidirectional CFRP composite laminates using one-sided pitch-catch ultrasonic technique Composites Science and Technology. 69: 2042-2047. DOI: 10.1016/J.Compscitech.2009.01.007  0.714
2007 Hsu DK, Dayal V, Barnard DJ, Im KH. Ultrasonic inspection of solid composite laminates using a one-sided pitch-catch contact mode Aip Conference Proceedings. 894: 1021-1028. DOI: 10.1063/1.2718079  0.666
2007 Hsu DK, Barnard DJ, Dayal V. NDE of damage in aircraft flight control surfaces Aip Conference Proceedings. 894: 975-982. DOI: 10.1063/1.2718073  0.58
2006 Barnard DJ, Hsu DK. Development of Practical NDE Methods for Composite Aircraft Structures Quantitative Nondestructive Evaluation. 820: 1019-1026. DOI: 10.1063/1.2184637  0.348
2006 Hsu DK, Barnard DJ. Inspecting Composites with Airborne Ultrasound: Through Thick and Thin Quantitative Nondestructive Evaluation. 820: 991-998. DOI: 10.1063/1.2184633  0.407
2005 Peters JJ, Dayal V, Barnard DJ, Hsu DK. Resonant transmission of air-coupled ultrasound through metallic inserts in honeycomb sandwich structures Aip Conference Proceedings. 760: 1026-1032. DOI: 10.1063/1.1916785  0.614
2004 Hsu DK, Peters JJ, Barnard DJ. Development of Fieldable Systems for Inspecting Aircraft Composite Structures Key Engineering Materials. 1845-1851. DOI: 10.4028/Www.Scientific.Net/Kem.270-273.1845  0.308
2004 Peters JJ, Barnard DJ, Hsu DK. Development of a Fieldable Air‐Coupled Ultrasonic Inspection System Quantitative Nondestructive Evaluation. 700: 1368-1375. DOI: 10.1063/1.1711775  0.349
2004 Hsu DK, Barnard DJ, Peters JJ, Polis DL. Application of Air‐Coupled Ultrasound in NDE of Composite Space Structures Quantitative Nondestructive Evaluation. 700: 851-858. DOI: 10.1063/1.1711708  0.341
1999 Barnard DJ. Variation of nonlinearity parameter at low fundamental amplitudes Applied Physics Letters. 74: 2447-2449. DOI: 10.1063/1.123876  0.307
1997 Barnard DJ, Dace GE, Rehbein DK, Buck O. Acoustic harmonic generation at diffusion bonds Journal of Nondestructive Evaluation. 16: 77-89. DOI: 10.1007/Bf02683880  0.688
1997 Barnard DJ, Dace GE, Buck O. Acoustic harmonic generation due to thermal embrittlement of inconel 718 Journal of Nondestructive Evaluation. 16: 67-75. DOI: 10.1007/Bf02683879  0.3
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