Mountable eddy current sensor for in-situ remote detection of surface and sub-surface fatigue cracks
Patent
·
OSTI ID:1027456
- Albuquerque, NM
A wireless, integrated, mountable, portable, battery-operated, non-contact eddy current sensor that provides similar accuracy to 1970's laboratory scale equipment (e.g., a Hewlett-Packard GP4194A Impedance Analyzer) at a fraction of the size and cost.
- Research Organization:
- Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-94AL85000
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Number(s):
- 8,013,600
- Application Number:
- 12/119,009
- OSTI ID:
- 1027456
- Country of Publication:
- United States
- Language:
- English
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Two-dimensional finite element model for a long rectangular eddy current surface coil
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Deep Crack Detection around Fastener Holes in Airplane Multi-Layered Structures Using GMR-Based Eddy Current Probes
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