Sensors & Electronics
Macro Property Measurement
Flaw Detection in Magnetic Materials (106)
Problem: Develop non-destructive method to detect corrosion metal loss and flaws in ferrous/magnetic metal components
Project Activity Scope (from Technical Overview Chart): Interaction Mechanisms through Measurement & Analysis System Applications
PNNL Solution:
- Because eddy current methods are limited due to magnetic interactions, developed Magnetic Flux Leakage (MFL) method to image defects
- Showed MFL can inspect inside surface from opposite surface
- Successfully demonstrated inspection of waste storage drums
Capabilities Employed to Meet Client Needs: Sensor development based on Hall effect sensors; signal processing electronics development; image acquisition and analysis; electromechanical test fixture design and fabrication; ultrasonic NDE tests for data validation; surface profilometry; test planning and analysis; reporting of results and test methods.
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Contact: Michael Watkins
