PUBLICATIONS - PATENTS

 
PATENTS
 
  • US 6,526,120 B1, J.N. Gray, F. Inanc, S. Arslan, “X-Ray Grain Flow Rate Measurement System for Materials, Including  Agricultural Materials and Food Products”,
  • US 5,500,534 D. Robinson, T. Jensen, and J.N. Gray, "Integrated Energy Sensitive and Position Sensitive X-ray Detection System",
  • US 5,688,698 D. Robinson, T. Jensen, and J.N. Gray, "Method of Fabricating a Device Having a Wafer with Integrated Processing Circuits".
 
LICENCES
 
  • XRSIM - X-Ray Simulation Software'
  • XRSCATTER - X-Ray Inspection Scattered Flux Computation Software
  • XRDOSE - Diagnostic Radiology Dose Calculations Software
 
PUBLICATIONS
 

  1.  J.N. Gray, "Three Dimensional Modeling of Projection X‑Ray Radiography," Review of Progress in Quantitative Nondestructive Evaluation, Vol. 7A, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., 1988, p.343‑348.

  2.  J. N. Gray, F. Inanc and B.E. Shull, “Three Dimensional Modeling of Projection Radiography”,  Review of Progress in QNDE, Vol.8, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., 1989.

  3. F. Inanc and J. N. Gray, “A CAD Interfaced Simulation Tool for X-Ray NDE Studies”, Review of Progress in QNDE, Vol.9, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., 1990.

  4. B.E. Shull, B. E. and J. N. Gray, "X‑Ray Measurement of Material Properties in Composites", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 9B, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p. 1465‑1471 (1990).

  5. C.M. Siwek and J. N. Gray, "Real Time X‑Ray Microfocus Inspection of Honey Comb", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 9B, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p. 1549‑1555, (1990).

  6. F. Inanc and J. N. Gray, “New Developments in the Computer Simulation of X-Ray Nondestructive Evaluation Process”, Review of Progress in QNDE, Vol.10, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., 1991.

  7. T. Jensen, T., and J.N. Gray, "Monochromatic X‑Ray Beams for NDE," Review of Progress in Quantitative Nondestructive Evaluation, Vol. 11a, D. O. ed. by Thompson and D. E. Chimenti, Plenum Publishing Co., p. 339, 1992.

  8. E.D Doering,  J. P. Basart, J. N. Gray, "Point Spread Function Estimation of Image Intensifer Tubes," Review of Progress in Quantitative Nondestructive Evaluation, Vol. 11a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p. 323, 1992.

  9. J. Ting,  T. Jensen, J. N. Gray, "Quantitative Determination of Material Composition of Composites Using Energy Sensitive X‑Ray Measurements", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 11b, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p. 1499, 1992.

  10. D. Wallingford,  E. Siwek, and J. N. Gray, "Application of Two Dimensional Matched Filters to X‑Ray Radiographic Flaw Detection of Enhancement", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 11a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.879, 1992.

  11. J.N. Gray, T. Jensen, and R. Wallingford, "Application of an X‑Ray Process Model for Inspection Optimization ", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 12a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co.,p319, (1993)

  12.  T. Jensen and J.N. Gray, " Material Thickness Measurements Using Compton Backscatter ", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 12a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.303, (1993).

  13. T. Groth and J.N. Gray, " Development of a Neutron Radiography Simulation Model ", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 12a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.335, (1993).

  14.  E.M. Siwek and J. Gray, " Application of the X-ray Process Model to Image Processing of X-ray Radiographs ", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 12a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.365, (1993).

  15.  J. Ting, T.Jensen, and J.Gray, " Using energy Dispersive X-ray Measurements for Quantitative Determination of Material Loss due to Corrosion ", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 12b, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.1963, (1993).

  16. E. Doering, J. Basart, J. Gray, " Three-dimensional Flaw Reconstruction and Dimensional Analysis Using a Real Time X-ray Imaging System", NDT&E International, vol 26, 1, p.7, (1993)

  17. T. Jensen, D.Robinson, J. Gray, "Application of a Microstrip Proportional Chamber to X-ray Imaging", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 13a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.1135, (1994).

  18.  R .Wallingford, J.N.Gray, " Application of Real Time Image Processing and Calibration Techniques to Real Time X-ray NDE", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 13a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.755, (1994).

  19. S. Kakummanu, J.N. Gray, " Development of a Model for the X-ray Image Intensifier-Camera Imaging System and Examples of it's Use", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 13a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.685, (1994).

  20. J. Xu, R. Wallingford, T. Jensen, J.Gray, "Recent Developments in the X-ray Simulation Code: XRSIM", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 13a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.557, (1994).25. V.Kini, J.Gray, " Real Time X-ray Radiography and its Use in Economic and Fast Tomographic Reconstruction", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 13a, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., p.541, (1994).

  21. R.Wallingford and J.N. Gray,  "Real Time image Processing; Techniques for Sensitivity Improvement Using Low-cost Equipment", "Review of Progress in Quantitative Nondestructive Evaluation", vol 14A, p 871, Eds D. Thompson and D Chimemti, Plenum Press, New York, 1995

  22.  J.N. Gray, T. Aljundi, and A. Turnbull, "Optimizing Compton Backscatter Parameters Using a Simulation Code",  "Review of Progress in Quantitative Nondestructive Evaluation", vol 14A, p 369, Eds D. Thompson and D Chimemti, Plenum Press, New York, 1995

  23.  T.Jensen and J.N. Gray,   "RTSIM: A Computer Model of Real-time Radiography, "Review of Progress in Quantitative Nondestructive Evaluation", vol 14A, p 353, Eds D. Thompson and D Chimemti, Plenum Press, New York, 1995

  24.  T.Aljundi and J.N. Gray,  "Calculation and Measurement of Exposure Buildup Factors for X-ray Radiography" , "Review of Progress in Quantitative Nondestructive Evaluation", vol 14A, p 339, Eds D. Thompson and D Chimemti, Plenum Press, New York, 1995

  25.  I. Elshafiey and J.N. Gray, “Optimization Tool for X-ray Radiography” by "Review of Progress in Quantitative Nondestructive Evaluation", Vol. 15A, pages 425-432; Eds D. Thompson and D Chimemti, Plenum Press, New York, 1996

  26.  T. Jensen, T. Aljundi, J.N. Gray, and R. Wallingford. “A Model of X-ray Film Response” by , "Review of Progress in Quantitative Nondestructive Evaluation", Vol. 15A, pages 441-448; Eds D. Thompson and D Chimemti, Plenum Press, New York, 1996

  27. T. Aljundi, T. Jensen, J.N. Gray, and Robinson,“Heavy Metal Contamination Detection Using X-rays” by  "Review of Progress in Quantitative Nondestructive Evaluation", Vol. 15A, pages 465-472, Eds D. Thompson and D Chimemti, Plenum Press, New York, 1995. 

  28. Eua-Anant, I. Elshafiey, L. Udpa, and J.N. Gray, “A Novel Image Processing Algorithm for Enhancing the Probability of Detection of Flaws in X-ray Images” by "Review of Progress in Quantitative Nondestructive Evaluation", Vol. 15A, pages 903-910; Eds D. Thompson and D Chimemti, Plenum Press, New York, 1996

  29.  C.Schilling, S. Huss, and J.Gray, "Regulating Density Gradients in slip Consolidation: A New Methodology",  , in Science of Whitewares, V. Henks G Onoda and W.Carty eds, 1996 American Ceramics Society, p 117- 131

  30.  D. Hsu, Patton, V. Dayal, M. Hinzie, and J.N. Gray, “Quantitative Measurement of Metal Loss Due to Corrosion in Aluminum Aircraft Skin” by  "Review of Progress in Quantitative Nondestructive Evaluation", Vol. 15B, pages 1725-1732; Eds D. Thompson and D Chimemti, Plenum Press, New York, 1996

  31. S. Huss, J.N. Gray, and C. Schilling, “ Analysis of Compressibility Origins in Monolithic Ceramic Suspensions Using X-ray Imaging Techniques” by  "Review of Progress in Quantitative Nondestructive Evaluation", Vol. 15B, pages 2321-2328; Eds D. Thompson and D Chimemti, Plenum Press, New York, 1996

  32.  C. Maranville, J.N. Gray, and C. Schilling,“Novel X-ray Imaging Method for Evaluating Defect Evolution in Ceramic Tapes” by  "Review of Progress in Quantitative Nondestructive Evaluation",  Vol. 15B, pages 2329-2336. Eds D. Thompson and D Chimemti, Plenum Press, New York, 1996.

  33. P. Basetty, T. Jensen, J. Gray, "Improvements on Low Cost CT Systems",  "Review of Progress in Quantitative Nondestructive Evaluation",  Vol. 16B, pages 2167-2174. Eds D. Thompson and D Chimemti, Plenum Press, New York, 1997

  34. F. Inanc, J.N. Gray, “Scattering Simulations in Radiography”, Appl.  Rad.  and  Iso., Vol. 48, No. 10-12, 1997.

  35.  F. Inanc, J.N. Gray, T. Jensen, J. Xu, “Human body radiography simulations: development of a virtual radiography environment”, SPIE’s International Symposium Medical Imaging 1998, San Diego, CA 1998.

  36. F. Inanc, J. N. Gray, “New Yield Monitor Sensor Being Developed at ISU Center for Nondestructive Evaluation”, Integrated Crop Management, Special Precision Ag. Edition, 1998.

  37. ‘J.Conley, B.Moran and J.N. Gray, A New Paradigm for the  Design of Safety Critical Castings’, Aluminum in Automotive Applications  SP1305 SAE #980455 p25-38 (1998) SAE Warrendale, PA.

  38.  C. Schilling and J.N. Gray, "Need and Opportunities for NDE in Ceramic Processing, Development of Accept Reject Criteria",  p. 1-19, 1999 American Ceramics Society.

  39.   C. Maranville, C. Schilling, J.N. Gray, "New Methods for Characterizing Ceramic Tape Casting",  p 45-58, 1999 American Ceramics Society

  40.  S. Huss, C. Schilling and J.N. Gray, "Application of High Resolution CT for Characterizing Density Gradients",  p59-66, 1999 American Ceramics Society

  41.  C. Schilling and J.N. Gray, "NDE Methods for Ceramics", eds. 1999 American Ceramics Society

  42. N. Nakagawa, T. Khan, J.N. Gray, ‘ Eddy Current Probe characterization for Model Input and Validation, vol 19B, p473-480, eds. D. Thompson and D. Chimenti, American Institute of Physics, 1999

  43. F. Inanc, “Verification of Deterministic Scattering Computations and Some Observations”, Review of Progress in QNDE, Vol.18, ed. by D. O. Thompson and D. E. Chimenti, Plenum Publishing Co., 1999.

  44. F. Inanc, “Analysis of X-Ray and Gamma Ray Scattering Through Computational Experiments”, J. Nondestr. Eval, Vol.18, No.2, 1999.

  45. J.N. Gray, G. Tillack, X-ray Imaging Methods over the Last 25 Years: New Advances and Capabilities’, vol 20A, p16, eds. D. Thompson and D. Chimenti, American Institute of Physics, 2000

  46. S. Wendt, J.Gray and S. Beckman, Energy Dispersive Measurements of Anisotropic Diffraction Mottling Effects, vol 20a, p514, eds. D. Thompson and D. Chimenti, American Institute of Physics, 2000

  47.  T. Jensen and J. Gray, Evaluation of Large Area Amorphous Silicon Array X-ray imager, vol 20b, p 1860, eds. D. Thompson and D. Chimenti, American Institute of Physics, 2000

  48.  J.N. Gray,  Recent Developments of an X-ray Simulation Tool, Modeling of Casting, Welding and Advanced  Solidification Processes IX, eds P. Sahm, P. Hansen and J. Conley, Shanker, 2000

  49. F. Inanc, “New Developments in the X-Ray Scattering Simulations”,  Review of Progress in QNDE, Vol.19, ed. by D. O. Thompson and D. E. Chimenti, American Institute of Physics., 2000.

  50. S. Arslan, F. Inanc, J.N. Gray, T. Colvin, “Application of X-Ray Techniques in Precision Farming”,  Review of Progress in QNDE, Vol.19, ed. by D. O. Thompson and D. E. Chimenti, American Institute of Physics, 2000.

  51.  J. Zheng, S. Beckman, J. Gray, M Akinc, ‘ X-ray Tomographic Study on Green State Joining of Silicon Carbide using Polymer Precursors’, J. Am. Cer. Soc, vol 84, #9, 2001

  52. D. Jiles, M. Akinc, S. Biner, K. Constant, J. Gray, M. Huba, S. Martin, L. Schmerr, and B. Thompson, ‘ Vertically Integrated Engineering Design for Combined Research and Curriculum Development in Materials Engineering and Nondestructive Evaluation’, vol21,p2035, eds. D. Thompson and D. Chimenti, American Institute of Physics, 2001

  53. S. Arslan, F. Inanc, J.N. Gray, T. Colvin,  “Grain Flow Measurements with X-Ray Techniques”,  Comput. Electron. Agric., No. 26, pp.65-80, 2000.

  54. F. Inanc, “Feasibility of Using X-Rays for Quantification of Agricultural Products and Chemicals”, Review of Progress in QNDE, Vol.20, ed. by D. O. Thompson and D. E. Chimenti, American Institute of Physics, 2001.

  55. C. Zhou, F. Inanc, “Computational Determination of Absorbed Dose Distributions from Gamma Ray Sources”, Review of Progress in QNDE, Vol.20, ed. by D. O. Thompson and D. E. Chimenti, American Institute of Physics, 2001.

  56. F. Inanc, B. Vasiliu, D. Turner, “Parallel Implementation of the Integral Transport Equation-Based Radiography Simulation Code”, Nucl. Sci. Eng., Vol. 137,  2001.

  57.  A.M. Zolfaghari, E. Kellogg, S.Wendt, J. Gray, High Speed X-ray Radiography Diagnostic of Current Interruption in circuit Breakers, Rev. Sci. Inst., vol; 74(4), p. 1945-1948 (2002)

  58. F. Inanc, “Impact Of The Low Energy Scattering In The Radiography Simulations”  Review of Progress in QNDE, Vol.21, ed. by D. O. Thompson and D. E. Chimenti, American Institute of Physics, 2002.

  59. F. Inanc, “An Optical Approach To The Characterizations of Surface Flaws Induced By Fretting”  Review of Progress in QNDE, Vol.21, ed. by D. O. Thompson and D. E. Chimenti, American Institute of Physics , 2002.

  60. C. Zhou, F. Inanc, “Computational Determination of Absorbed Dose Distributions from Multiple Volumetric Gamma Ray Sources”, Review of Progress in QNDE, Vol.21, ed. by D. O. Thompson and D. E. Chimenti, American Institute of Physics, 2002.

  61. F. Inanc, “Scattering and Its Role in Radiography Simulations”, NDT&E International, Vol 35, No.8,  pp 581-593, 2002.

  62. F. Inanc, “A CT Image based deterministic approach to dosimetry and radiography simulations”, Phys. Med. Biol.  Vol. 47, No.18, pp. 3351-3368, 2002.

  63. C. Zhou, F. Inanc, “Integral-transport-based deterministic brachytherapy dose calculations”, Phys. Med. Biol.  Vol. 48, No.1, pp. 73-93, 2003.

  64. N. Nakagawa, F. Inanc, R.B. Thompson, W. R. Junker, F. H. Ruddy, J. M. Beatty, N. G. Arlia,  “On-Line NDE for Advanced Reactor Designs”, Review of Progress in QNDE, Vol. 22, ed. by D.O. Thompson and D.E. Chimenti, American Institute of Physics , 2003.

  65. F. Inanc, “A Monte Carlo analysis of the lead screen impact on the film radiography image formation”, Review of Progress in QNDE, Vol. 22, ed. by D.O. Thompson and D.E. Chimenti, American Institute of Physics , 2003.

  66. F. Inanc, “Issues with high energy radiography simulations”, Review of Progress in QNDE, Vol. 22, ed. by D.O. Thompson and D.E. Chimenti, American Institute of Physics, 2003.

  67. F. Inanc, “CT Based radiography simulations for both industrial and medical radiography”, Review of Progress in QNDE,  Vol. 22, ed. by D.O. Thompson and D.E. Chimenti, American Institute of Physics, 2003.

  68. S. Wendt, J. Gray, C. Zhou, The Effect of Lead Intensification Screens on Film: Modeling and Experiment’ Review of Progress in Quantitative NDE, D. Thompson and D. Chimenti eds, vol23a, p530 (2004)

  69.  J. Amos, J. Gray, A. Lhemery, R.B. Thompson, Future Applications of NDE Simulators, Review of Progress in Quantitative NDE, D. Thompson and D. Chimenti eds, vol 23b, p1620 (2004)

  70. F. Inanc, “ A novel radiation transport algorithm for radiography simulations”, Review of Progress in QNDE,  Vol. 23, ed. by D.O. Thompson and D.E. Chimenti, American Institute of Physics, 2004.

  71. C. Zhou, F. Inanc, “A Deterministic approach to brachytherapy dosimetry and a benchmark implementation”,  Review of Progress in QNDE,  Vol. 23, ed. by D.O. Thompson and D.E. Chimenti, American Institute of Physics , 2004.

  72. C. Zhou, F. Inanc, J. Modrick,  “Distortions induced by radioactive seeds into interstitial brachytherapy dose distributions”, Med. Phys., Vol. 31, No. 12, pp. 3393-3405, 2004.

  73. I.N. Tansel, R. Singh, P. Chen, X. Wang, W. Bao, C. Dede, S. Tosunoglu, F. Inanc, C. Kropas-Hughes, “Monitoring and Management of Machines with Wireless PDAs in Wireless Networked Facilities”, ICM’04, Proceedings of IEEE International Conference on Mechatronics 2004, June, 2004.

  74. F. Inanc, “An Algorithm for Decomposition of the Charged Particle Scattering Cross Sections into Singular and Regular Components”, to appear in Review of Progress in QNDE, Vol. 24, 2005.

  75. F. Inanc, “A Boroscope Based Optical Surface Characterization Approach”, to appear in Review of Progress in QNDE, Vol. 24, 2005.

  76. N. Reen, I.N. Tansel, P. Chen, X. Wang, F. Inanc, “Estimation of the Thickness of Overlapping Materials by Using Neural Network”, to appear in Review of Progress in QNDE, Vol. 24, 2005.

  77. N. Nakagawa, F. Inanc, A. Frishman, R.B. Thompson, W.R. Junkier, F.H. Ruddy, A.R. Dulloo, J.M. Beatty, N.G. Arlia, “On-Line Health Monitoring for Advanced Reactor Design”, Proceedings of 4th International Topical Meeting on Nuclear Plant Instrumentation, Control and Human-Machine Interface Technologies (NPIC & HMIT 2004), Ohio, 2004.

  78. T. Heindel, J. Hubers, T. Jensen, J. Gray and A. Striegel,  Using X-rays for Multiphase Flow Visualization, to be published  Proceedings of FEDSM2005 2005 ASME Fluids Engineering Division Summer Meeting and Exhibition June 19-23, 2005, Houston, TX, USA

  79. J.L. Hubers, A, C. Striegel, T. J. Heindel,  J. N. Gray, and T.C. Jensen,X-ray Computed Tomography in Large Bubble Columns,  to be published in The Proceedings of the 7th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering in August 2005.

  80.  Xinyu Ding Joseph N. Gray and Terrence C. JensenHigh energy X-ray refraction system to characterize inner surfaces or interfaces in materials, ,  10th SPIE International Symposium Nondestructive Evaluation for Health Monitoring and Diagnostics, to be published in July 2005

  81. J. Zhang, C. Chou, T. Jensen and J.N.  Gray, Development of a High-Resolution CT System and 3D Data Visualization Tools,  to be published in Review of Progress in Quantitative NDE, D. Thompson and D. Chimenti eds,  American Institute of Physics, to be published in vol24 (2005)

  82.