Nakagawa, Norio

• bbeach

Eddy Current Nondestructive Evaluation (NDE)

Modeling of Eddy Current NDE

  • Computer models of EC NDE
  • Numerical electromagnetism simulation via the boundary element method
  • Linear and nonlinear EC modeling

Experimental studies of EC NDE

  • Low-to-High Frequency EC, linear and nonlinear.
  • Applications to conventional and advanced materials

Materials Characterization

  • Residual stress estimation by high frequency EC
  • Case-depth measurements via nonlinear EC

Nakagawa Research

Norio NakagawaNorio Nakagawa

Scientist, CNDE
nakagagwa@iastate.edu

Current Research Sponsors

  • IHI Corp, Pratt & Whitney COE

Past Research Sponsors

  • Federal agencies (DOE-NE, NSF, USAF, FAA, DOT)
  • Other I/UCRC Members

Keywords

  • Eddy current NDE; Numerical modeling; Linear and Nonlinear EC

Selected Publications

  • Kosaka, D., Frishman, A., and Nakagawa, N., “Effect of Tensile Stress on Hall Coefficients of Nickel-Base Superalloys,” J. Nondestruct. Eval. (2016) 35: 38. doi:10.1007/s10921-016-0354-8.
  • Nakagawa, N. (2014) Nonlinear Eddy Current NDE and Theory Based on Vector Preisach Model in Rayleigh Regime, AIP Conf. Proc. 1581, 1380-1386 (2014); doi: 10.1063/1.4864982.