Follow this link to go to the text only version of nasa.gov
NASA - National Aeronautics and Space Administration
Follow this link to skip to the main content
+ Text only version
Go

NNWGNA

NASA NDE Working Group
  + HOME
  + SECURE LOGIN
  + WORKSHOP AGENDA
+ UP COMING EVENTS
  + POINTS OF CONTACT
  + MEMBERS
  + CURRENT TASKS
+ COMPLETED TASKS
  + NDE LINKS
  + DOCUMENTS
  + NEWSLETTER ARCHIVE
  + NDE WAVE & IMAGE PROCESSOR
  + RECENT PUBLICATIONS
  + CONTACT NASA

INTERESTED IN NDE?
NASA Engineering Cooperative student Jon Tylka interviews NASA Astronaut Steve Bowen about Nondestructive Evaluation applied to spaceflight and his previous undersea experiences.

RECENT PUBLICATIONS

2013

+ Ali Abdul-Aziz, D.J. Roth, R. Cotton, George F. Studor, Eric Christiansen, and P.C. Young; "Composite Material Characterization using Microfocus X-ray Computed Tomography Image-based Finite Element Modeling", Materials Evaluation, pp. 167-174, Volume 71, No. 2, February 2013

 

2012

+ Abraham, R., Johnson, K., Nichols, C., Saulsberry, R., Waller, J., Use of Statistical Analysis of Acoustic Emission Data on Carbon-Epoxy COPV Materials-of-Construction for Enhanced Felicity Ratio Onset Determination, Final NASA USRP Report, White Sands Test Facility, January 2012.

+ Banks, C., Madaras, E., Nichols, C., Richards, L., Roth, D., Russell, R., Saulsaberry, R., Waller, J., Smart COPV, Composite Conference 2012, Las Cruces, NM, August 13-17, 2012.

+ D.J. Roth, C.T. Nichols, R.L. Saulsberry, J.M. Waller, J. Simmons, D. Weathers, J. Tylka and R. Lucero; "Development of Automated Acoustic Emission Analysis Software for Self-Monitoring "Smart COPVs"", Composite Conference 2012, August 13-17, 2012, Las Cruces, NM

+ D.J. Roth, R.W. Rauser, R.R. Bowman, P.J. Bonacuse, R.E. Martin, I.E. Locci, M. Kelley; "High Resolution X-ray Micro-CT of Ultra-Thin Wall Space Components", presentation (July) and draft proceedings article (August).  QNDE 2012, Denver, CO., July 15-20, 2012

+ Nichols, C., Waller, J., Saulsberry, R., Johnson, K., Weathers, D., Tylka, J., Optimized Software Approaches to Predict Rupture in Fracture-Critical Composites and Implications for Structural Health Monitoring, Composite Conference 2012, Las Cruces, NM, August 13-17, 2012.

+ Waller, J., Saulsberry, R., Voluntary Consensus Standards for Nondestructive Testing of Composite Overwrapped Pressure Vessels Used in Aerospace Applications, Composite Conference 2012, Las Cruces, NM, August 13-17, 2012.

+ Waller, J., Nichols, C., Saulsberry, R., Abraham, R., Andrade, E., Tylka, J., Weathers, D., Johnson, K., Development of Novel Acoustic Emission Procedures for Prediction of Rupture in Carbon-Epoxy Composite Overwrapped Pressure Vessels and Related Composite Materials, Composite Conference, 2012, Las Cruces, NM, August 13-17, 2012.


+ Yoder, T., Beeson, H., Elements of Nondestructive Examination for the Visual Inspection of Composite Structures, NASA/TM-2012-217371, NASA-JSC White Sands Test Facility, Las Cruces, NM  88004, September 2012.

+ Yoder, T., Greene, N., Elements of Composite Pressure Vessel Visual Inspection Composite Conference 2012, Las Cruces, NM, August 13-17, 2012.

+ Yoder, T., Lucero, R., Saulsberry, R., Elements of Nondestructive Examination for the Visual Inspection of Composite Structures, WSTF-RD-1193-001-12, NASA-JSC White Sands Test Facility, Las Cruces, NM, 88004, June 20, 2012.


+ Standard Practice for Ultrasonic Testing of Flat Panel Composites and Sandwish Core Materials Used in Aerospace Applications, ASTM E 2580-12, American Society of Testing and Materials, West Conshohocken, PA, 5-year reapproval, Summer, 2012.



2011

+ Ali Abdul-Aziz1, Ben S.Curatolo2 and Mark.R.Woike1; "Improving Data Collection and Analysis Interface For The Data Acquisition Software of the Spin Lab At NASA Glenn Research Center", NASA TN-2011-217015, July 2011.

+ Ali Abdul-Aziz and D.J. Roth, R. Cotton, George F. Studor and Eric Christiansen, P.C. Young ;"Material Characterization and Geometric Segmentation of a Composite Structure Using Microfocus X-Ray Computed Tomography Image-Based Finite Element Modeling", NASA TM-2011-217015, July 2011.

+ A. Abdul-Aziz, Mark. R. Woike, Nikunj. C. Oza, Bryan. L. Matthews and John D. lekki," Rotor Health Monitoring Combining Spin Tests and Data Driven Anomaly Detection Methods", Journal of Structural Health Monitoring, SAGE Journals Online at
http://mcu.sagepub.com, January 31, 2011, Reference No. 147592171039581.

+ Ellen Arens and Robert Youngquist, “Thermography to Inspect Insulation of Large Cryogenic Tanks,” NASA Tech Briefs, Vol. 35, No. 9, September 2011, pp. 32.

+ Generazio, Edward R., Binomial Test Method for Determining Probability of Detection Capability for Fracture Critical Applications, NASA/TP–2011-217176, September 2011.

+ Generazio, E. R., Validating Design of Experiments for Determining Probability of Detection Capability (DOEPOD) for Fracture Critical Applications, Materials Evaluation, Vol. 69, N0. 12, December 2011.

+ Mark Nurge, Robert Youngquist, and Stanley Starr, “Measuring Moisture Levels in Graphite Epoxy Composite Sandwich Structures,,” NASA Tech Briefs, Vol. 35, No. 5, May 2011, page 38.

+ B.H. Parker, , “A Comparison of the Capability of Sensitivity Level 3 and Sensitivity Level 4 Fluorescent Penetrants to Detect Fatigue Cracks in Various Metals”, January 2011, NASA TM2011-215869. 
+ D.J. Roth, Ali Abdul-Aziz, J.N. Gray; "X-Ray Inspection Simulations for the Interior Skin-to-Flange Weld for the NASA Ares Rocket Segment", Materials Evaluation, Vol. 69, No. 6, June 2011

+ D.J. Roth, E.R. Burke, R.W. Rauser, and R.E. Martin; "A Novel Automated Method for Analyzing Cylindrical Computed Tomography Data", presentation and extended abstract paper (8 pages) at Fall 2011 ASNT conference, Palm Springs Convention Center, Palm Springs, CA, October 24-28, pp. 139-145

+ D.J. Roth, S. Reyes-Rodriguez, D.A. Zimdars, R.W. Rauser, and W.W. Ussery; "Terahertz Computed Tomography of NASA Thermal Protection System Materials", Materials Evaluation, Vol. 69, No. 9, September 2011, pp. 1090-1098.
ASNT 2012 Outstanding Paper Award

+ Tylka, J.M., Waller, J.M., Johnson, K.L., Nichols, C.T., Saulsberry, R.L., Use of Numerical Analysis of Acoustic Emission Data to Optimize Failure Prediction in Carbon-Epoxy Materials of Construction, Final NASA USRP Report, White Sands Test Facility, December 2011.

+ Yoder, T., Greene, N., Beeson, H., White Sands Test Facility Job Instruction, Receiving and Handling Procedures for Composite Pressure Vessels (CPV), WJI-LFACMGMT-0076.C, NASA-JSC White Sands Test Facility, Las Cruces, NM, 88004, June 30, 2011.


+ Robert C. Youngquist, Stanley O. Starr, Charles G. Stevenson, Jorge E. Rivera, and Steven J. Sullivan, “Why Major Programs Need Innovation Support Labs: An Example from the Space Shuttle Launch Program at KSC,” AIAA Space 2011 Conference, Space Shuttle Legacy Session, Sept. 2011.

+ Robert Youngquist and Stephen Simmons, “Method for Accurately Calibrating a Spectrometer Using Broadband Light,” NASA Tech Briefs, Vol. 35. No. 8. August 2011, pp. 44.



2010

+ A. Abdul-Aziz, Mark R. Woike, John D. Lekki and George Y. Baaklini;"Development of a Flaw Detection/Health Monitoring Scheme for Turbine Engine Rotating Components"; Presented at the AIAA Infotech@Aerospace 2010, April 20 - 22, 2010, Atlanta, Georgia.

+ A. Abdul-Aziz, Mark Woike, Nikunj Oza, Bryan Mathews and George Baakilini "Propulsion Health Monitoring Of a Turbine Engine Disk Using Spin Test Data"; Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring; 16th Annual International, Proceedings of SPIE Volume 7650-45, March 2010, 7-11 March 2010; San Diego, California USA.


+ A. Abdul-Aziz, Mark Woike, Nikunj Oza, Bryan Mathews and George Baakilini "Propulsion Health Monitoring Of A Turbine Engine Disk Using Spin Test Data", Sept. 2010 (TM-2010-216743)

+ Cramer, K. E.; and Jackson, W. C.:   A Comparison of Infrared Thermography and X-Ray Computer Tomography for the Characterization of Damage in Composite Sandwich Structure.  Presented at SPIE Defense Security & Sensing Symposium, April 5-9, 2010, Orlando, Florida.                  

+ Cramer, K. E.; and Jackson, W. C.:   Infrared Thermography and X-ray Computed Tomography as Complementary Techniques for the Characterization of Damage in Composite Sandwich Structure.  Presented at 2010 Aircraft Airworthiness & Sustainment Conference, May 10-13, 2010, Austin, Texas.


+ M. Fallahpour, J. T. Case, S. Kharkovsky, and R. Zoughi , Implication of Microwave Holography using Minimum Required Frequency samples for Weakly- and Strongly Scattering Indications, 37th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE), 07/18 - 07/23/2010.


+ E. R. Generazio, January 25, 2010, Electric Field Quantitative Measurement System and Method, LAR 16565-1, Patent disclosed, Patent application completed January 2010. 

+ E.R. Generazio, NASA NDE Program, DoD NDE Communications Meeting, Washington, DC, May 2010.

+ N. Hoschke, D.C. Price, D.A. Scott, Monitoring of Thermal Protection Systems using Robust Self-Organizing Optical Fiber Sensing Networks, Feasibility and Initial Design Study, CSIRO Materials Science and Engineering Report No. EP 105430, September 2010.

+ Robert C. Younqguist, Stephen M. Simmons, and Andrea Belanger, “Spectrometer wavelength calibration using spectrally resolved white light interferometry,” Optics Letters, Vol. 35, 2257-2259 (2010)
 

+ Howell, P. A.; Daryabeigi, K.; and Prosser, W. H.:   Thermographic NDE Inspections During Thermal Cycle Testing of Reinforced Carbon Carbon Joggle Edges at Sandia National Laboratories Solar Thermal Test Facility.  Presented at the ASNT 19th Annual Research Symposium & Spring Conference, March 22-26, 2010, Williamsburg, Virginia. 

+ Sergey Kharkovsky, Mohammad Tayeb Ghasr, Mohamed Abou-Khousa, Reza Zoughi , K-band Varactor Diode-Tuned Elliptical Slot Antenna, IEEE Antennas and Wireless Propagation Letters 7/27/2010.

+ Mark A Nurge, Robert C Youngquist, and Stanley O Starr , “Mass Conservation in Modeling Moisture Diffusion in Multi-layer Composite and Sandwich Structures,” Journal of Sandwich Structures and Materials, published 22 March 2010

+ D.J. Roth, “NDE SOFTWARE INTEGRATION,” a presentation to the local chapter of the American Society of Nondestructive Testing, N. Royalton, OH, March 15, 2010.

+ D. J. Roth, NDE Wave & Image Processor Software Application, NDEWIP V3.0, New Technology Report, August 2010.

+ D. J. Roth, Ali Abdul-Aziz, J. N. Gray, X-RAY INSPECTION SIMULATIONS FOR THE INTERIOR SKIN-TO-FLANGE WELD FOR THE NASA ARES ROCKET SEGMENT, Submitted to Materials Evaluation, May 2010.


+ D. J. Roth, R. W. Rauser, A. Abdul-Aziz, E. Burke, G. Studor, B.A., Davis, S. Zhang, R. Cotton, M. Marsh. Recent Improvements in Analysis and Display of NDE Data at NASA, Review of Progress in QNDE, Marriott San Diego Mission Valley, San Diego, California, July 18 – 23, 2010

+ D. J. Roth, R. P. Tokars, R. E. Martin, R. W. Rauser,
J.C. Aldrin, E.J. Schumacher,  “ULTRASONIC PHASED ARRAY INSPECTION FOR AN ISOGRID STRUCTURAL ELEMENT WITH CRACKS.”  Materials Evaluation, Vol. 68, No. 1, pp. 76 – 83, January 2010.  Also NASA/TM—2010-216090, March 2010.

+ Wincheski, R. A.; Simpson, J. W.; Dawicke, D. S.; and Williams, P. A.:   Detection of Liner Cracking in Composite Overwrap Pressure Vessels.  Presented at ASNT 19th Annual Research Symposium & Spring Conference, March 22-26, 2010, Williamsburg, Virginia. 

+ Winfree, W. P.; and Howell, P. A.:   Thermographic Characterization of Near Surface Flaws in Reinforce Carbon-Carbon Panels.  Presented at 34th International Conference and Exposition on Advanced Ceramics and Composites, January 24-29, 2010, Daytona Beach, Florida. 

+ Winfree, W. P.; Howell, P. A.; Morton, R. D.; Koshti, A.; and Reynolds, G. L.:   On-Orbit Infrared Thermography of International Space Station Radiator.  Presented at the ASNT 19th Annual Research Symposium & Spring Conference, March 22-26, 2010, Williamsburg, Virginia. 

+ Winfree, W. P.; Parker, F. R.; Grainger, J. L.; and Howell, P. A.:   Application of Micro-focus Volumetric Computed Tomography to Characterization of Composite Materials.  Presented at 37th Annual Review of Progress in QNDE, July 18-23, 2010, San Diego, California. 


+ Wilson, W. C.; Winfree, W. P.; and Atkinson, G. M.:   Modeling of a Surface Acoustic Wave Strain Sensor.  Presented at Modeling & Simulation of Microsystems 2010, June 21-25, 2010, Anaheim, California. 

+ Robert Youngquist, “Calibration of Spectrometer Using Broadband Light,” Provisional Patent Filing, 2/10, KSC-13331

+ Robert Youngquist, “Method for Detecting Perlite Compaction in Large Cryogenic Tanks,” NASA Tech Briefs, Vol. 34, No. 4, April 2010, page 21.

+ Robert Youngquist, Alyssa Garcia, and Stephen Simmons, “Inductive Non-contact Position Sensor,” NASA Tech Briefs, Vol. 34, No. 10, October 2010, page 25.

+ Robert Youngquist, Stephen Simmons, and Robert Cox, “Handheld White Light Interferometer for Measuring Defect Depth in Windows,” NASA Tech Briefs, Vol. 34, No. 11, November 2010, page 64.


+ Development and Evaluation of Sensor Concepts for Ageless Aerospace Vehicles – Report 6 – Development and Demonstration of a Self-Organizing Diagnostic System for Structural Health Monitoring, NASA CR-2010-216186, January 2010.




2009

+ A. Abdul-Aziz, Mark Woike, Nikunj Oza, Bryan Mathews and George Baakilini ; "Health Monitoring of a Rotating Disk Using a Combined Analytical-Experimental Approach",(TM-2009-215675), Sept. 2009

+ M. A. Abou-Khousa , Modulated Elliptical Slot, Ph.D Dissertation presented to the Faculty of Graduate School of UMR 5/7/2009.

+ Anastasi, R. F.; Madaras, E. I.; Seebo, J. P.; and Ely, T. M.:   Processing and Probability Analysis of Pulsed Terahertz NDE Corrosion Under Shuttle Tile Data.  Presented at SPIE Smart Structures and Materials Conference, March 8-12, 2009, San Diego, California. 

+ E. Arens, B. Youngquist, S. Starr, M. Nurge, Thermographic Methods of Detecting Insulation Voids in large Cryogenic Tanks,”, Spring ASNT Conference, Williamburg, VA, 3/09


+ E. R. Generazio, March 10, 2009, Directed Design of Experiments for Validating Probability of Detection Capability of a Test System. Patent application 61/158868.

+ E.R. Generazio, Design of Experiments for Validating Probability of Detection Capability of NDE Systems and for Qualification of Inspectors, Materials Evaluation, Vol. 67, No. 6., pg 730-738,  June 2009.

+ E.R. Generazio, Design of Experiments for Validating Probability of Detection Capability of NDE Systems (DOEPOD) V 1.0 Manual, July 2009.

+ Mohammad Tayeb Ghasr , Real-Time and Portable Microwave Imaging System, Ph.D Dissertation presented to the Faculty of Graduate School of UMR, 7/26/2009.

+ M. T. Ghasr, M. A. Baumgartner, D. Clark, S. Kharkovsky, M. Abou-Khousa, and R. Zoughi, A Real-Time Microwave Camera at 24 GHz (K-Band, QNDE, 6/2/2009.


+ M.T. Ghasr, D. Pommerenke, J.T. Case, A.D. McClanahan, A. Aflaki-Beni, M. Abou-Khousa, K. Guinn, F. De Paulis, S. Kharkovsky and R. Zoughi, Rapid Rotary Scanner and Portable Coherent Wideband Q-Band Transceiver for High-Resolution Millimeter Wave Imaging Applications, 12/30/2009.


+ Madaras, E. I.; Seebo, J. P.; and Anastasi, R. F.:   Terahertz NDE of Stressed Composite Overwrapped Pressure Vessels - Initial Testing.  NASA/TM-2009-215575,  February 2009,  50 p. 

+ B.H. Parker, , “A Comparison of the Capability of Sensitivity Level 3 and Sensitivity Level 4 Fluorescent Penetrants to Detect Fatigue Cracks in Aluminum”, December 2009, NASA TM2009-215850. 

+ D. J. Roth, Software Management Plan for NDEWIP (draft), November 2009.  

+ Don J. Roth (Glenn Research Center), Richard W. Rauser (University of Toledo), Nathan S. Jacobson (Glenn Research Center), Russell A. Wincheski (Langley Research Center), James L. Walker (Marshall Space Flight Center), Laura A. Cosgriff (Cleveland State University), “NDE FOR CHARACTERIZING OXIDATION DAMAGE IN REINFORCED CARBON-CARBON,” PacRim8 Proceedings and Invited Presentation, PacRim8; May 31-June 5, 2009; Vancouver, BC, Canada. 

+ D. J. Roth, R. P. Tokars, R. E. Martin, R. W. Rauser, J.C. Aldrin, E.J. Schumacher,  ULTRASONIC PHASED ARRAY INSPECTION TEST SIMULATIONS OF WELDED COMPONENTS AT NASA, Materials Evaluation, Vol. 67, No. 1, pp. 60 – 65, January 2009.  QNDE Presentation July 2008.   Abridged version published in QNDE Proceedings, April. 2009.   Also NASA/TM-2009-215512.

+ D. J. Roth, R. P. Tokars, R. E. Martin, R. W. Rauser, J.C. Aldrin, E.J. Schumacher,  ULTRASONIC PHASED ARRAY INSPECTION EXPERIMENTS AND SIMULATIONS FOR AN ISOGRID STRUCTURAL ELEMENT WITH CRACKS.  QNDE Presentation, 36th Annual QNDE Conference, Kingston, RI, July 2009.   Abridged version published in QNDE Proceedings, April 2010

+ Schumacher. E.J. and Roth, D.J., "CIVA: Simulation Software for NDT Applications" Conference Proceedings, NDT in Canada 2009 National Conference, London, Ontario. August 25-27, 2009. 

+ E.J. Schumacher, D.J. Roth, John Aldrin ; CIVA: NDT Simulation Software Modeling of Composites and Titanium, Presentation for Defense Working Group on NDT conference, Sparks, NV Nov. 17 - 19, 2009.

+ Wilson, W. C.; and Atkinson, G. M.:   A Comparison of Surface Acoustic Wave Modeling Methods.  Presented at Nanotech Conference & Exposition 2009, May 3-7, 2009, Houston, Texas. 

+ Wilson, W. C.:   NASA Opportunities for Passive Wireless SAW Sensors.  Presented at CANEUS Fly-By-Wireless 2009, June 8-12, 2009, Montreal, Canada. 


+ Winfree, W. P.; and Howell, P. A.:   Thermographic Detection of Near Surface Flaws in Reinforce Carbon-Carbon Panels.  Presented at SPIE Defense Security and Sensing 2009, April 13-17, 2009, Orlando, Florida. 

+ Winfree, W. P.; Howell, P. A.; and Burke, E. R.:   Simulations of the Thermographic Response of Near Surface Flaws in Reinforce Carbon-Carbon Panels.  Presented at QNDE 2009 - Quantitative Nondestructive Evaluation Conference, July 26-31, 2009, Kingston, Rhode Island. 


+ Yolken, H.; and Matzkanin, G. A.:   Nondestructive Evaluation of Advanced Fiber Reinforced Polymer Matrix Composites - A Technology Assessment.  NASA/CR-2009-215566,  February 2009,  56 p. 
      

+ Robert Youngquist, “Inductive Non-contact Position SensorProvisional Patent Filing, 11/09, KSC-13265


+ Zalameda, J. N.; Winfree, W. P.; Pergantis, C.; Flanagan, D.; and Deschepper, D.:   Application of Air Coupled Acoustic Thermography (ACAT) for Inspection of Honeycomb Sandwich Structures.  Presented at SPIE Defense Security and Sensing 2009, April 13-17, 2009, Orlando, Florida. 


+ R. Zoughi, F. Hepburn , Real-Time One-Shot Portable Microwave Imaging System (Microwave Camera) for Nondestructive Testing Applications NASA STI Series Report - Technical Publication (TP) 4/1/2009.


+ Development and Evaluation of Sensor Concepts for Ageless Aerospace Vehicles – Report 5 –Phase 2 Implementation of the Concept Demonstrator, NASA CR-2009-215931, September 2009. 




2008

+ Anastasi, R. F.:   Investigation of Fiber Waviness in a Thick Glass Composite Beam Using THz.  Presented at SPIE Smart Structures and Materials and Nondestructive Evaluation and Health Monitoring, March 9-13, 2008, San Diego, California. 


+ Emmons, Michael C.; Sunny Karnani, Stefano Trono, K P Mohanchandra, Gregory P. Carman, and W Lance Richards:
Characterization of Optical Fiber Bragg Gratings as Strain Sensors Considering Load Direction, Proc. ASME Smart Materials, Adaptive Structures and Intelligent Systems, Ellicott City, MD, October 28-30, 2008.

+ Horne, M. R.; and Madaras, E. I.:   Evaluation of Acoustic Emission NDE of Kevlar Composite Over Wrapped Pressure Vessels.  NASA/TM-2008-215558,  December 2008,  36 p. 

+ Howell, P. A.; Winfree, W. P.; and Cramer, K. E.:   On-Orbit Passive Thermography.  Nondestructive Testing and Evaluation,  Volume 23, No. 3, September 2008,  p. 195-210.

+ D. J. Roth, R. P. R. E. Martin, R. W. Rauser,
J.C. Aldrin,ULTRASONIC INSPECTION SIMULATIONS OF CRITICAL COMPONENTS AT NASA,”  Aviation Safety Technical Program, October 2008 and NESC TDT Face-to-face meeting, ASNT Fall Conference, November 2008.

+ Scott, D. A; D. C. Price; N. Hoschke; and W. L. Richards:
Structural Health Monitoring of Thermal Protection Systems. (submitted to the 2nd Asia-Pacific Workshop on Structural Health Monitoring Melbourne, Australia, Dec 2008

+ Williams, P. A.; Wincheski, R. A.; Simpson, J. W.; and Bly, J. B.:   Raman Spectroscopy Investigations of Strain and Aging Effects in Kevlar Composite Overwrap Pressure Vessels (COPVs).  Presented at American Society for Nondestructive Testing Fall Conference & Quality Testing Show (ASNT) 2008, November 10-14, 2008, Charleston, South Carolina. 

+ Williams, P. A.; and Aldrin, J. C.:   Computational NDE Capabilities Assessment Review: Eddy Current NDE.  Presented at American Society for Nondestructive Testing Fall Conference & Quality Testing Show (ASNT) 2008, November 10-14, 2008, Charleston, South Carolina. 


+ Wilson, W. C.; and Atkinson, G. M.:   A Comparison of Surface Acoustic Wave Modeling Methods.  Presented at NSTI Nanotech 2008 - 11th International Conference on Modeling and Simulation of Microsystems, June 1-5, 2008, Boston, Massachusetts. 

+ Wilson, W. C.; and Atkinson, G. M.:   NASA NDE Applications for Mobile MEMS Devices and Sensors.  Presented at Modeling & Simulation of Microsystems 2008, June 1-8, 2008, Boston, Massachusetts.  1142. 

+ Wilson, W. C.; Perey, D. F.; and Atkinson, G. M.:   Passive Wireless SAW Sensors for IVHM.  Presented at 2008 IEEE International Frequency Control Symposium, May 18-21, 2008, Honolulu, Hawaii.  3049. 


+ Wincheski, R. A.:   Eddy Current COPV Overwrap and Liner Thickness Measurement System and Data Analysis for 40-Inch Kevlar COPVs SN002 and SN027.  NASA/TM-2008-215105,  January 2008,  16 p. 


+ Winfree, W. P.; Howell, P. A.; and Prosser, W. H.:   Thermographic Detection of Subsurface Flaws in Reinforce Carbon-Carbon Panels.  Presented at American Society for Nondestructive Testing Fall Conference & Quality Testing Show (ASNT) 2008, November 10-14, 2008, Charleston, South Carolina. 
 



Undated

+ M.A.Abou-Khousa, M.T.Ghasr, S.Kharkovsky, D.Pommerenke, R.Zoughi, Modulated Elliptical Slot Antenna for Electric field Mapping and Microwave Imaging, IEEE Transactions on Antennas in Propagation.


+ Emmons, Michael C. ,  Karnani, Sunny ,  Trono, Stefano ,  Mohanchandra, Kotekar P.,  Richards, W. Lance and  Carman, Gregory P. (2010)
Strain Measurement Validation of Embedded Fiber Bragg Gratings, International Journal of Optomechatronics, 4:1, 22-33.

+ E. R. Generazio, Validating Design of Experiments for Determining Probability of Detection Capability (DOEPOD), in review.

+ Nichols, C.T., Waller, J.M., Saulsberry, R.L., Johnson, K.L., Weathers, D.E., Tylka, J.M., Optimized Software Approaches to Predict Rupture in Fracture-Critical Composite Components.

+ Binomial Test Method for Determining Probability of Detection Capability for Fracture Critical Applications (DOEPOD)

+ Directed Design of Experiments for Validating Probability of Detection Capability of NDE Systems (DOEPOD)

+ Mass conservation in modeling moisture diffusion in multi-layer carbon composite structures

+ Nondestructive Evaluation (NDE) for Characterizing Oxidation Damage in Cracked Reinforced Carbon-Carbon

+ Ultasonic Phased Array Inspection Simulations of Welded Components at NASA

+Validating design of Experiments for Determining Probability of Detection Capability for Fracture Critical Applications (DOEPOD)


+ WK 29034, Standard Guide for Nondestructive Testing of the Composite Overwrap in Filament Wound Pressure Vessels Used in Aerospace Applications, ASTM Committee E07 on Nondestructive Testing, American Society of Testing and Materials, West Conshohocken, PA, in preparation.

+ WK 29068, Standard Guide for Nondestructive Testing of Thin-Walled Metallic Liners in Filament Wound Pressure Vessels Used in Aerospace Applications, ASTM Committee E07 on Nondestructive Testing, American Society of Testing and Materials, West Conshohocken, PA, in preparation.

+ WK 40626, Standard Practice for Infrared Flash Thermography of Composite Panels and Repair Patches Used in Aerospace Applications, ASTM Committee E07 on Nondestructive Testing, American Society of Testing and Materials, West Conshohocken, PA, 5-year reapproval of ASTM E2582-07 in progress.

+ WK40707 - Practice for Active Thermography of Aerospace Composites, ASTM Committee E07 on Nondestructive Testing, American Society of Testing and Materials, West Conshohocken, PA, in preparation.




Patents Disclosures


+ MSC-25421-1: Development of Automated Structural Health Monitoring and Qualification Methods and Software for Composite Overwrapped Pressure Vessels

+ MSC-25533-1: Interior Laser Profilometry Module for Manufacturer-Grade NDE Scanner for the Inspection, Qualification, and Manufacturer Verification of Pressure Vessels

+ MSC-25534-1: Exterior Eddy Current Crack Detection Module for Manufacturer-Grade NDE Scanner for the Inspection and Qualification of Pressure Vessels

+ MSC-25535-1: Articulated Manufacturer-Grade Intrior Laser Profilometer for the Inspection, Qualification, and Manufacturer Verification of NORS and DOT Pressure Vessels

+ MSC-25536-1: Modular Manufacturer-Grade NDE Scanner for the Inspection, Qualification, and Manufacturer Verification of Pressure Vessels Using Interchangeable Probes

+ MSC-25537-1: Interior Eddy Current Crack Detection Module for Manufactuere-Grade NDE Scanner for the Inspection and Qualification of Pressure Vessels

+ MSC-25538-1: Exterior Laser Profilometry Module for Manufacturer-Grade NDE Scanner for the Inspection, Qualification, and Manufacturer Verification of Pressure Vessels




FirstGov - Your First Click to the US Government
+ Freedom of Information Act
+ Budgets, Strategic Plans and Accountability Reports
+ The President's Management Agenda
+ NASA Privacy Statement, Disclaimer,
and Accessibility Certification

+ Inspector General Hotline
+ Equal Employment Opportunity Data Posted Pursuant
to the No Fear Act

+ Information-Dissemination Priorities and Inventories
NASA
Web Master: Michelle Corella
NASA Official: Regor Saulsberry
Last Updated: June 12, 2013