Method and apparatus for non-destructive evaluation of materials

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United States of America Patent

PATENT NO 9772309
SERIAL NO

14566422

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Abstract

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Methods and apparatus for characterizing composite materials for manufacturing quality assurance (QA), periodic inspection during the useful life, or for forensic analysis/material testing. System are provided that relate eddy-current sensor responses to the fiber layup of a composite structure, the presence of impact damage on a composite structure with or without a metal liner, volumetric stress within the composite, fiber tow density, and other NDE inspection requirements. Also provided are systems that determine electromagnetic material properties and material dimensions of composite materials from capacitive sensor inspection measurements. These properties are related to the presence of buried defects in non-conductive composite materials, moisture ingress, aging of the material due to service or environmental/thermal exposure, or changes in manufacturing quality.

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Patent Owner(s)

  • JENTEK SENSORS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goldfine, Neil J Newton, US 108 1961
Lyons, Robert Pelham, US 20 285
Martin, Christopher Concord, US 142 2323
Thomas, Zachary Cambridge, US 5 54
Washabaugh, Andrew P Chula Vista, US 69 1418

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