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Sensors & Electronics

Physical Property Sensors

Electromagnetic Signatures of Metals (132)

Problem: Determine Electromagnetic Signatures of Metals (132) to support rapid, non-destructive metal sample identification

Distinct Impedance Signatures of Metals

Project Activity Scope (from Technical Overview Chart): Mechanisms through Devices

PNNL Solution:

  • Conducted lab tests to determine properties of a variety of metals
  • Established complex impedance "signatures" for metals important for import/export control
  • Developed data analysis algorithm to allow rapid metal identification
  • Developed practical instrument
Distinct Impedance Signatures of Metals Distinct Impedance Signatures of Metals
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Capabilities Employed to Meet Client Needs: Knowledge of electromagnetic properties of metals; electromagnetic field interaction with metals; eddy current measurement methods including probe/coil design; electronics design for driving eddy current probes; electronics design for signal processing and detection; software for data analysis; mechanical design for probes and test fixtures; statistical analysis of detected signals; system integration; test planning and reporting; customer staff training; field deployment and demonstration of integrated equipment systems.

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Contact: Dick Pappas

Sensors & Electronics

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