D. Barnard

发表

AEROSPACE NDT USING PIEZOCERAMIC AIR-COUPLED TRANSDUCERS

D. Hsu, V. Dayal, V. Kommareddy, 2004 .

Fabrication and comparison of PMN-PT single crystal, PZT and PZT-based 1-3 composite ultrasonic transducers for NDE applications.

D. Hsu, D. Barnard, Ki-Bok Kim, 2010, Ultrasonics.

CHARACTERIZATION OF WAVINESS IN WIND TURBINE BLADES USING AIR COUPLED ULTRASONICS

David K. Hsu, Vinay Dayal, Sunil Kishore Chakrapani, 2011 .

FLAW DETECTION IN A MULTI‐MATERIAL MULTI‐LAYERED COMPOSITE: USING FEM AND AIR‐COUPLED UT

David K. Hsu, Vinay Dayal, Daniel J. Barnard, 2011 .

Inspecting Composites with Airborne Ultrasound: Through Thick and Thin

David K. Hsu, Daniel J. Barnard, D. Hsu, 2006 .

Air-Coupled Ultrasonic Resonance Imaging of Hexagonal SiC and Alumina Tiles

V. Dayal, D. Barnard, Richard Livings, 2017 .

Estimation of porosity content of composite materials by applying discrete wavelet transform to ultrasonic backscattered signal

David K. Hsu, Daniel J. Barnard, Ki-Bok Kim, 2013 .

Influence of Terahertz Waves on Unidirectional Carbon Fibers in CFRP Composite Materials

David K. Hsu, Daniel J. Barnard, Sun-Kyu Kim, 2014 .

A Calibration Technique for Ultrasonic Immersion Transducers and Challenges in Moving Towards Immersion Based Harmonic Imaging

S. Chakrapani, D. Barnard, 2019, Journal of Nondestructive Evaluation.

Receiver calibration and the nonlinearity parameter measurement of thick solid samples with diffraction and attenuation corrections

H. Jeong, D. Barnard, Xiongbing Li, 2017, Ultrasonics.

Finite element simulation of core inspection in helicopter rotor blades using guided waves.

V. Dayal, S. Chakrapani, D. Barnard, 2015, Ultrasonics.

Detection and Characterization of Waviness in Unidirectional GFRP Using Rayleigh Wave Air Coupled Ultrasonic Testing (RAC-UT)

V. Dayal, S. Chakrapani, D. Barnard, 2013 .

Detection of in-plane fiber waviness in composite laminates using guided Lamb modes

V. Dayal, S. Chakrapani, D. Barnard, 2014 .

Reliability studies of electronic components for the operation at cryogenic temperature

L. Koester, D. Barnard, N. Poonthottathil, 2019, 1911.10285.

Influence of terahertz waves on the fiber direction of CFRP composite laminates

D. Hsu, K. Im, I. Yang, 2013 .

Terahertz radiation study on FRP composite solid laminates

D. Hsu, K. Im, I. Yang, 2012 .

Nonlinear ultrasonic inspection of cohesive failure in adhesive due to contaminants in the manufacturing process

L. Bond, D. Barnard, D. Pyun, 2022, Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring.

Simultaneous Measurements of Harmonic Waves at Fatigue-Cracked Interfaces

H. Jeong, D. Barnard, 2011 .

Monitoring Fatigue Damage Accumulation with Rayleigh Wave Harmonic Generation Measurements

D. Barnard, L. Brasche, D. Raulerson, 2003 .

Dielectric and infrared inference of thermo-oxidative aging of a bismaleimide composite material

Roger W. Jones, N. Bowler, D. Barnard, 2016 .

A mechanical-dielectric-high frequency acoustic sensor fusion for soil physical characterization

Daniel J. Barnard, Stuart J. Birrell, Mehari Z. Tekeste, 2019, Comput. Electron. Agric..

Investigation of the Sintering Process Using Non-Contact Electromagnetic Acoustic Transducers

D. Barnard, J. Foley, D. Rehbein, 2001 .

Variation of nonlinearity parameter at low fundamental amplitudes

D. Barnard, 1999 .

Acoustic Harmonic Generation Measurements for Materials Characterization

Daniel J. Barnard, D. Barnard, 1999 .

Determination of acoustic nonlinearity parameter (β) using nonlinear resonance ultrasound spectroscopy: Theory and experiment.

S. Chakrapani, D. Barnard, 2017, The Journal of the Acoustical Society of America.

Acoustic harmonic generation due to thermal embrittlement of inconel 718

Daniel J. Barnard, O. Buck, O. Buck, 1997 .

Coda wave interferometry for the measurement of thermally induced ultrasonic velocity variations in CFRP laminates

V. Dayal, D. Barnard, Richard A. Livings, 2016 .

Feasibility of detecting fatigue damage in composites with coda waves

Vinay Dayal, V. Dayal, D. Barnard, 2015 .

Additive manufacturing metrology: State of the art and needs assessment

Daniel J. Barnard, Leonard J. Bond, Hossein Taheri, 2016 .

Nonlinear forced vibration of carbon fiber/epoxy prepreg composite beams: Theory and experiment

V. Dayal, S. Chakrapani, D. Barnard, 2016 .

Internal defect detection and characterization of samarium-cobalt sintered magnets by ultrasonic testing technique

L. Bond, D. Barnard, B. Cui, 2023, Journal of Magnetism and Magnetic Materials.

Nonlinear Ultrasonic Inspection of the Effect of Contaminants on Material Properties of Epoxy-Adhesive

L. Bond, D. Barnard, Lucas W. Koester, 2022, Journal of Nondestructive Evaluation.

A shear test method to measure shear strength of metallic materials and solder joints using small specimens

D. Barnard, I. Anderson, Ö. Ünal, 1999 .

Ultrasonic attenuation due to grain boundary scattering in copper and copper-aluminum

D. Barnard, J. Vitek, J. Foley, 2004 .

An exploration of the utilities of terahertz waves for the NDE of composites

David K. Hsu, Daniel J. Barnard, Kwang-Hee Im, 2011 .

Damage Detection in a Multi-Layered, Multi-Material Composite Using Air-Coupled Ultrasonic Resonance Imaging

V. Dayal, D. Barnard, Richard A. Livings, 2016 .

Acoustic harmonic generation at diffusion bonds

O. Buck, D. Barnard, G. Dace, 1997 .

Terahertz Wave Approach and Application on FRP Composites

D. Hsu, K. Im, Jong-An Jung, 2013 .

One-sided ultrasonic inspection to detect flaws in CFRP composite solid laminates

David K. Hsu, Je-Woong Park, Kwang-Hee Im, 2012, Other Conferences.

Feasibility on fiber orientation detection of unidirectional CFRP composite laminates using one-sided pitch–catch ultrasonic technique

J. Dongun Kim, D. Hsu, K. Im, 2009 .

A nondestructive study on porosity content and fiber orientation in CFRP composite laminates using ultrasonic technique method

David K. Hsu, Vinay Dayal, Je-Woong Park, 2009, International Conference on Smart Materials and Nanotechnology in Engineering.

Viscous material-filled synthetic defects for vibrothermography

S. Holland, D. Barnard, J. Renshaw, 2009 .

Inspection of Electronics Components for Cryogenic Temperature Operations

L. Bond, D. Barnard, N. Poonthottathil, 2020 .

Fatigue damage evaluation of carbon fiber reinforced composites using nonlinear resonance spectroscopy

S. Chakrapani, D. Barnard, 2020 .

GENERATING TAP TEST IMAGES WITH A FREE‐HAND MOTORIZED TAPPER

Cory D. Foreman, D. Hsu, D. Barnard, 2009 .

A prototype tap test imaging system: Initial field test results

David K. Hsu, Daniel J. Barnard, John J. Peters, 2000 .

Physical basis of tap test as a quantitative imaging tool for composite structures on aircraft

David K. Hsu, Vinay Dayal, Daniel J. Barnard, 2000 .

A Study of Microcracks and Delaminations in Composite Laminates

D. Hsu, K. Im, V. Dayal, 2013 .

Nonlinear Ultrasonics for Early Damage Detection

Daniel J. Barnard, Guillermo Rus, Antonio Callejas, 2015, Virtual and Mobile Healthcare.

Limitations of symmetry in FE modeling: A comparison of fem and air-coupled resonance imaging

David K. Hsu, Vinay Dayal, Daniel J. Barnard, 2012 .

Significance of accurate diffraction corrections for the second harmonic wave in determining the acoustic nonlinearity parameter

H. Jeong, D. Barnard, Xiongbing Li, 2015 .

Acoustic Harmonic Generation Due to Thermal Embrittlement of Inconel 718

O. Buck, O. Buck, D. Barnard, 1997 .

Nondestructive characterization of UHMWPE armor materials

David K. Hsu, Daniel J. Barnard, David J. Eisenmann, 2012 .

Ultrasonic Rayleigh wave inspection of waviness in wind turbine blades: Experimental and finite element method

Vinay Dayal, Sunil Kishore Chakrapani, Daniel J. Barnard, 2012 .

Application of Air‐Coupled Ultrasound in NDE of Composite Space Structures

David K. Hsu, Daniel J. Barnard, Daniel L. Polis, 2004 .