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

Abstract

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.

Inventors:
 [1];  [1];  [1]
  1. Albuquerque, NM
Publication Date:
Research Org.:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1027456
Patent Number(s):
8,013,600
Application Number:
12/119,009
Assignee:
Sandia Corporation (Albuquerque, NM)
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Yepez, III, Esteban, Roach, Dennis P, Rackow, Kirk A, and DeLong, Waylon A. Mountable eddy current sensor for in-situ remote detection of surface and sub-surface fatigue cracks. United States: N. p., 2011. Web.
Yepez, III, Esteban, Roach, Dennis P, Rackow, Kirk A, & DeLong, Waylon A. Mountable eddy current sensor for in-situ remote detection of surface and sub-surface fatigue cracks. United States.
Yepez, III, Esteban, Roach, Dennis P, Rackow, Kirk A, and DeLong, Waylon A. Tue . "Mountable eddy current sensor for in-situ remote detection of surface and sub-surface fatigue cracks". United States. https://www.osti.gov/servlets/purl/1027456.
@article{osti_1027456,
title = {Mountable eddy current sensor for in-situ remote detection of surface and sub-surface fatigue cracks},
author = {Yepez, III, Esteban and Roach, Dennis P and Rackow, Kirk A and DeLong, Waylon A},
abstractNote = {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.},
doi = {},
url = {https://www.osti.gov/biblio/1027456}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {9}
}

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Works referenced in this record:

Residual and Applied Stress Estimation From Directional Magnetic Permeability Measurements With MWM Sensors
journal, July 2002


Two-dimensional finite element model for a long rectangular eddy current surface coil
journal, February 2000


Shaped-field eddy-current sensors and arrays
conference, June 2002

  • Washabaugh, Andrew P.; Zilberstein, Vladimir A.; Schlicker, Darrell E.
  • NDE For Health Monitoring and Diagnostics, SPIE Proceedings
  • https://doi.org/10.1117/12.469911

Deep Crack Detection around Fastener Holes in Airplane Multi-Layered Structures Using GMR-Based Eddy Current Probes
conference, January 2004