Nestor Sepulveda resumes & CV records
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Nestor G Sepulveda Deceased664B Mcpherson Dr, Nashville, TN 37221
Nestor Sepulveda Phones & Addresses
664B Mcpherson Dr, Nashville, TN 37221
Sacramento, CA
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John Wikswo
With Nestor Sepulveda, Wikswo use the finite element method to calculate the distinctive fourfold symmetric magnetic field pattern produced by an outwardly ...
Us Patents
Method And Apparatus For Magnetic Identification And Localization Of Flaws In Conductors By Canceling The Field About The Conductor With The Field About A Flawless Conductor
US Patent:
5109196, Apr 28, 1992
Filed:
Mar 5, 1991
Appl. No.:
7/664640
Inventors:
John P. Wikswo - Brentwood TN
Nestor G. Sepulveda - Nashville TN
W. Patrick Henry - Nashville TN
Duane Crum - San Diego CA
Nestor G. Sepulveda - Nashville TN
W. Patrick Henry - Nashville TN
Duane Crum - San Diego CA
Assignee:
Vanderbilt University - Nashville TN
International Classification:
G01R 3302
US Classification:
324263
Abstract:
Flaws in an electrically conductive sample object are detected by cancelling the magnetic field generated by a detection current passed through the sample object by passing the current back through an unflawed field cancelling object placed next to the sample object, and measuring the uncancelled field produced by any flaw, preferably with a superconducting quantum interference device (SQUID) magnetometer. Elongated objects such as tubes and rods are fed through a sleeve which forms the field cancelling object, with the current applied to the elongated member and passed to the field cancelling sleeve through sliding contacts.
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