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Mountable eddy current sensor for in-situ remote detection of surface and sub-surface fatigue cracks

Patent ·
OSTI ID:1027456
 [1];  [1];  [1]
  1. Albuquerque, NM
+ Show Author Affiliations
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
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

References (4)

Deep Crack Detection around Fastener Holes in Airplane Multi-Layered Structures Using GMR-Based Eddy Current Probes conference January 2004
Residual and Applied Stress Estimation From Directional Magnetic Permeability Measurements With MWM Sensors journal July 2002
Shaped-field eddy-current sensors and arrays
  • Washabaugh, Andrew P.; Zilberstein, Vladimir A.; Schlicker, Darrell E.
  • NDE For Health Monitoring and Diagnostics, SPIE Proceedings https://doi.org/10.1117/12.469911
conference June 2002
Two-dimensional finite element model for a long rectangular eddy current surface coil journal February 2000

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