Radiant energy – Geological testing or irradiation
Patent
1993-10-01
1995-08-22
Hannaher, Constantine
Radiant energy
Geological testing or irradiation
25033906, 25033914, 2503416, G01N 2171
Patent
active
054442419
ABSTRACT:
A method for detecting flaws in structures using dual band infrared radiation. Heat is applied to the structure being evaluated. The structure is scanned for two different wavelengths and data obtained in the form of images. Images are used to remove clutter to form a corrected image. The existence and nature of a flaw is determined by investigating a variety of features.
REFERENCES:
patent: 4005289 (1977-01-01), Del Grande
patent: 5111048 (1992-05-01), Devitt et al.
Nancy K. Del Grande--Dual-Band Infrared Imaging Applications: Locating Buried Minefields, Mapping Sea Ice, and Inspecting Aging Aircraft--(Sep. 1992)--Lawrence Livermore National Laboratory UCRL -JC-111214 preprint.
N. K. Del Grande et al--Dynamic Thermal Tomography for Nondestructive Inspection of Aging Aircraft--Lawrence Livermore National Laboratory (undated).
N. K. Del Grande et al--Three-dimensional dynamic thermal imaging of structural flaws by duel-band infrared computed tomography--Lawrence Livermore National Laboratory (undated).
P. F. Durban et al--Dual-Band Infrared Thermography for Quantitive Nondestructive evaluation--Lawrence Livermore National Laboratory (undated).
Del Grande Nancy K.
Dolan Kenneth W.
Durbin Philip F.
Perkins Dwight E.
Hannaher Constantine
Sartorio Henry P.
The Regents of the University of California
Wooldridge John P.
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