Eddy current Nondestructive Evaluation (NDE)

Mingyang LuMingyang Lu profile picture

Adjunct Assistant Professor
Research Scientist II
mingylu@iastate.edu
(515) 294-3653

Real-Time Eddy Current Analytical Solutions

  • Rapid and real-time analytical solutions for the simulation of the interaction between various eddy current (EC) sensors and samples with various geometries

Real-Time characterization of material properties

  • Inversion of thickness, conductivity, permeability, depth of surface crack defects, porosity density, near-surface defects of metals and CFRPs, etc., based on EC inversion algorithms

Finite-Element Eddy Current Solver

  • Customized solver for the simulation of different EC inspection scenarios
  • Commercial FEM model for various probe types

Embedded inversion algorithms for Eddy Current Instrument

  • Customized EM EC instrument and algorithms for the imaging and sizing of surface or near-surface defects
  • Multi-frequency channel instrument and inversion algorithms for the evaluation of materials’ properties

Eddy Current inspection for additive manufacturing

  • Measurement of laser powder size, powder density, powder properties, and powder distributions (streak) imaging, particularly for laser powder bed fusion (LPBF)

 

Keywords

  • Eddy Current Imaging; Materials Characterization; Defects Inspection, LPBF AM Inspection, Eddy Current Modeling

Recognitions, Awards & Publications

  • Senior Member, Institute of Electrical & Electronic Engineers (IEEE)
  • Member, American Society for Nondestructive Testing (ASNT)
  • IEEE Outstanding Reviewer Award in Instrumentation & Measurement
  • Associate Editor, IEEE TIM (2021-2023), IEEE OJIM
  • Over 65 publications, link: ‪Mingyang Lu‬ – ‪Google Scholar‬

Funded Research Sponsors

  • CNDE sponsors
  • Boeing, Pratt & Whitney
  • EPSRC, UKRI
  • TATA Steel, Primetals, Rolls-Royce

 

Top Left - Eddy current inspection instrument Top Right - Imaging of near-surface cracks in 2D & 3D Bottom left - EC imaging of weld cross-section Bottom right - EC inspection of LPBF AM