Yu Pei Ma

Vanderbilt University
6301 Stevenson Center
Nashville, TN 37235-5225

Office Phone: (615) 343-8169

Email: yu.p.ma@vanderbilt.edu

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   Degrees awarded:

  • PhD - Physics, Boston University, 1988
  • MS - Physics, Chinese Academy of Science, China, 1982
  • BS - Physics, Peking University, China, 1968

   Field of interest:

  • condensed matter and low temperature physics, SQUID nondestructive testing

   Appointments:

  • 1993-Present: Research Assistant Professor, Vanderbilt University
  • 1988-93: Research Associate, Vanderbilt University
  • 1976-79: Lecturer, University of Science and Technology in Beijing, China

   Professional societies:

  • APS
  • The American Society for Nondestructive Testing

   Selected publications:

  • "Magnetic Shield for Wide-Bandwidth Magnetic Measurements for Nondestructive Testing and Biomagnetism," Y.P. Ma and J.P. Wikswo, Jr., Rev. Sci. Instrum., 62(11): 2654-2661 (1991).
  • "Imaging of Small Defects in Nonmagnetic Tubing Using a SQUID Magnetometer," D.C. Hurley, Y.P. Ma, S. Tan, and J.P. Wikswo, Jr., Res. Nondestr. Eval., 5: 1-29 (1993).
  • "An Improved Method for Magnetic Identification and Localization of Cracks in Conductors," J.P. Wikswo, Jr., D.B. Crum, W.P. Henry, Y.P. Ma, N.G. Sepulveda, and D.J. Staton, J. Nondestr. Eval., 12(2): 109-119 (1993).
  • "Detection of In-Situ Active Corrosion by a SQUID Magnetometer," D. Li, Y.P. Ma, W.F. Flanagan, B.D. Lichter, and J.P. Wikswo, Jr., Journal of Minerals, Metals & Materials Society, 47(9): 36-39 (1995).
  • "Techniques for Depth-Selective, Low-Frequency Eddy Current Analysis for SQUID-Based Non-Destructive Testing," Y.P. Ma and J.P. Wikswo, Jr., J. Nondestr. Eval., 14(3): 149-167 (1995).
  • "Reconstruction of a Two-Dimensional Susceptibility Distribution from the Magnetic Field of Non-Ferromagnetic Materials," S. Tan, Y.P. Ma, I.M. Thomas, and J.P. Wikswo, Jr., IEEE Trans. Mag., 32(1): 230-234 (1996).
  • "Application of Superconducting Magnetometry in the Study of Aircraft Aluminum Alloy Corrosion," D. Li, Y.P. Ma, W.F. Flanagan, B.D. Lichter, and J.P. Wikswo, Jr., Corrosion, 32(1): 219-231 (1996).
  • "Detection of Hidden Corrosion of Aircraft Aluminum Alloys by Magnetometry Using a Superconducting Quantum Interference Device," D. Li, Y.P. Ma, W.F. Flanagan, B.D. Lichter, and J.P. Wikswo, Jr., Corrosion, 53(2): 93-98 (1997).

   Patents:

  • "Apparatus and Method for On-Line Inspection of Electrically Conductive Food Products Using Liquid Electrolyte," J.P. Wikswo, Jr., Y.P. Ma, W.G. Jenks, C.G. Bublitz, and G.S. Choudhury, United States Patent 5,572,123 (November 5, 1996).
  • "Method and Apparatus for Detecting Flaws Below the Surface of an Electrically Conductive Object," Y.P. Ma and J.P. Wikswo, Jr., United States Patent 5,610,517 (March 11, 1997).

   Conference proceedings

  • "Instrumentation and Techniques for High-Resolution Magnetic Imaging," J.P. Wikswo, Jr., J.M. van Egeraat, Y.P. Ma, N.G. Sepulveda, D.J. Staton, S. Tan, and R.S. Wijesinghe, Digital Image Synthesis and Inverse Optics, A.F. Gmitro, P.S. Idell, and I.J. LaHaie, Eds., SPIE Proceedings, Vol. 1351, pp. 438-470 (1990).
  • "Imaging Flaws with a SQUID Magnetometer Array," Y.P. Ma, D.J. Staton, N.G. Sepulveda, and J.P. Wikswo, Jr., Rev. of Progress in Quantitative Nondestructive Evaluation, D.O. Thompson and D.E. Chimenti, Eds., (Plenum, New York), Vol. 10A, pp. 979-986 (1991).
  • "High-Resolution Magnetic Mapping Using a SQUID Magnetometer Array," D.J. Staton, Y.P. Ma, N.G. Sepulveda, and J.P. Wikswo, Jr., IEEE Trans. Mag., MAG-27: 3237-3240 (1991).
  • "Detection of a Deep Flaw Inside a Conductor Using a SQUID Magnetometer," Y.P. Ma and J.P. Wikswo, Jr., Review of Progress in QNDE, 11: 1153-1159 (1992).
  • "A Comparison of SQUID Imaging Techniques for Small Defects in Nonmagnetic Tubes," D.C. Hurley, Y.P. Ma, S. Tan, and J.P. Wikswo, Jr., Review of Progress in QNDE, 12: 633-640 (1993).
  • "Imaging Subsurface Defects Using SQUID Magnetometers," Y.P. Ma and J.P. Wikswo, Jr., Review of Progress in QNDE, 12: 1137-1143 (1993).
  • "Spatial Resolution and Sensitivity of Magnetic Susceptibility Imaging," I.M. Thomas, Y.P. Ma, S. Tan, and J.P. Wikswo, Jr., IEEE Transactions on Applied Superconductivity, 3(1): 1937-1940 (1993).
  • "A High Resolution Imaging Susceptometer," Y.P. Ma, I.M. Thomas, A. Lauder, and J.P. Wikswo, Jr., IEEE Transactions on Applied Superconductivity, 3(1): 1941-1944 (1993).
  • "High Resolution SQUID Imaging of Current and Magnetization Distribution," S. Tan, Y.P. Ma, I.M. Thomas, and J.P. Wikswo, Jr., IEEE Transactions on Applied Superconductivity, 3(1): 1945-1948 (1993).
  • "SQUID NDE: Detection of Surface Flaws by Magnetic Decoration," I.M. Thomas, Y.P. Ma, and J.P. Wikswo, Jr., IEEE Transactions on Applied Superconductivity, 3(1): 1949-1952. (1993).
  • "Magnetic Susceptibility Imaging for Nondestructive Evaluation," J.P. Wikswo, Jr., Y.P. Ma, N.G. Sepulveda, S. Tan, I.M. Thomas, and A. Lauder, IEEE Transactions on Applied Superconductivity, 3(1): 1995-2002 (1993).
  • "Superconducting Magnetometry: A Possible Technique for Aircraft NDE," J.P. Wikswo, Jr., Y.P. Ma, N.G. Sepulveda, D.J. Staton, S. Tan, and I.M. Thomas, Nondestructive Inspection of Aging Aircraft, M.T. Valley, N.K. Grande, and A.S. Kobayashi, Eds., SPIE Proceedings, Vol. 2001, pp. 164-190 (1993).
  • "Detection of Subsurface Flaws Using SQUID Eddy Current Technique," Y.P. Ma and J.P. Wikswo, Jr., Nondestructive Inspection of Aging Aircraft, M.T. Valley, N.K. Grande, and A.S. Kobayashi, Eds., SPIE Proceedings, Vol. 2001, pp. 191-199 (1993).
  • "SQUID Eddy Current Techniques for Detection of Second Layer Flaws," Y.P. Ma and J.P. Wikswo, Jr., Review of Progress in QNDE, 13: 303-309 (1994).
  • "The Use of Superconducting Magnetometry to Detect Corrosion in Aircraft Alloys," D. Li, Y.P. Ma, W.F. Flanagan, B.D. Lichter, and J.P. Wikswo, Jr., Proc. of the Tri-Service Conference on Corrosion, Orlando, FL, pp. 335-346, June 1994.
  • "Depth-Selective SQUID Eddy Current Techniques for Second Layer Flaw Detection," Y.P. Ma and J.P. Wikswo, Jr., Review of Progress in QNDE, 15: 401-408 (1996).
  • "SQUID Magnetometers for Nondestructive Testing and Biomagnetism," Y.P. Ma and J.P. Wikswo, Jr., Proceedings of 1996 Chinese American Academic and Professional Convention (CAAPCON), pp. 4.17.1-4.17.4 (1996).
  • "Recent Advances in SQUID Magnetometers for Aging Aircraft NDE," W.G. Jenks, B. Ball, J. Cadzow, T. Cruse, T. Ewing, G. Hahn, X. Li, Y.P. Ma, and J.P. Wikswo, Jr., 4th Air Force Aging Aircraft Conference, 9-11 July 1996.
  • "SQUID Magnetometers for Depth-Selective, Oriented Eddy Current Imaging," Y.P. Ma and J.P. Wikswo, Jr., Review of Progress in QNDE, 17A: 1067-1074 (1998).
  • "Measurements of Surface-Breaking Flaws in Steel Pipes Using a SQUID Susceptometer in an Unshielded Environment," C. Hall Barbosa, A.C. Bruno, G.S. Kühner, J.P. Wikswo, Jr., A.P. Ewing, Y.P. Ma, and C.S. Camerini, Review of Progress in QNDE, 17A: 1091-1097 (1998).

   Abstracts:

  • "Depth-Selective Eddy Current Techniques Using SQUID Magnetometers," Y.P. Ma and J.P. Wikswo, Jr., Bull. Am. Phys. Soc., 42(9): 1809 (1997).

   Reports:

  • "Imaging of Small Defects in Nonmagnetic Tubing Using a SQUID Magnetometer," D.C. Hurley, Y.P. Ma, S. Tan, and J.P. Wikswo, Jr., Manufacturing Technologies Laboratory, 92CRD072, G.E. Research & Development Center (1992).
  • "SQUID Detection of Deep Flaws in Aluminum Plates," Y.P. Ma and J.P. Wikswo, Jr., Report VEL1996-2, Alcoa Technical Center (1996).
  • "High Resolution Superconducting Magnetometry for Nondestructive Evaluation," W.G. Jenks, Y.P. Ma, and J.P. Wikswo, Jr., Electric Power Research Institute (1997).


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