COMBINED HOLOGRAPHIC-INFRARED INSPECTION

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$500,000.00
Award Year:
1986
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
2116
Agency Tracking Number:
2116
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Po Box 2397 - 9832 Canal Rd, Gaithersburg, MD, 20879
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Harold Berger
(301) 948-0332
Business Contact:
() -
Research Institution:
n/a
Abstract
A COMBINED HOLOGRAPHIC-INFRARED INSPECTION METHOD IS PROPOSED. THE COMBINATION TECHNIQUE WILL PROVIDE MORE VALUABLE INTERPRETATION INFORMATION AND MORE QUANTITATIVE INSPECTION RESULTS THAN EITHER METHOD USED ALONE. A POWERFUL NEW INSPECTION APPROACH FOR BONDED ASSEMBLIES SUCH AS COMPOSITE STRUCTURE IS ANTICIPATED. THE TECHNICAL OBJECTIVES OF THE PROJECT ARE TO OPTIMIZE THE HEATING PROCEDURE AND IMAGING GEOMETRY TO GENERATE USEFUL SIGNALS FROM BOTH HOLOGRAPHIC INTERFEROMETRY AND INFRARED IMAGING. ALSO THE PROJECT WILL PROVIDE INSIGHT INTO INTERPRETATION INFORMATION AVAILABLE FROM TESTS OF COMPOSITE MATERIAL WITH VARIOUS TYPES OF DISCONTINUITIES. IT IS EXPECTED THAT EACH METHOD WILL PROVIDE USEFUL INFORMATION FOR MANY TYPES OF DISCONTINUITIES IN COMPOSITES SUCH AS DELAMINATIONS, INTERNAL DAMAGE/ MICROCRACKING, EXCESS RESIN, FIBER UNIFORMITY, ETC. THE INFORMATION PROVIDED BY EACH METHOD WILL BE COMPLEMENTARY AND THE COMBINED RESULT WILL YIELD USEFUL, QUANTITATIVE INFORMATION IN THE FORM OF FRINGE COUNTS AND BREADTH OF INDICATION FROM HOLOGRAPHY AND IMAGE SIZE, TEMPERATURE DIFFERENCE AND TIME TO GENERATE SIGNAL FROM THE INFRARED RESULT. A BROADLY USEFUL, EASILY APPLIED INSPECTION TECHNIQUE WILL RESULT.

* information listed above is at the time of submission.

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