MICROWAVE NDE SENSOR FOR IN-PROCESS CONTROL IN THE MANUFACTURE OF CARBON-CARBON COMPOSITES

Award Information
Agency:
Department of Defense
Branch
Defense Advanced Research Projects Agency
Amount:
$249,871.00
Award Year:
1987
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
3641
Agency Tracking Number:
3641
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Po Box 3406 - 642 First St, Radford, VA, 24143
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr P W Chan
(703) 731-0655
Business Contact:
() -
Research Institution:
n/a
Abstract
THE INTELLIGENT PROCESSING OF MATERIALS IS A NOVEL CONCEPT IN MATERIALS PROCESSING IN WHICH INFORMATION FROM REAL TIME, IN-SITU MICROSTRUCTURAL SENSORS AND PROCESS MODELS ARE COMBINED WITH ARTIFICIAL INTELLIGENCE APPROACHES TO CONTROL A MATERIALS PROCESS. THE INSITU SENSORS ARE A KEY TO THIS TECHNOLOGY SINCE INFORMATION ABOUT THE "STATE" OF THE MATERIAL MUST BE ASCERTAINED. THEREFORE, THIS PROPOSAL WILL EXAMINE THE USE OF MICROWAVE ABSORBTION FOR THE IN-SITU MONITORING OF CARBON CARBON PROCESSING. THE DIELECTRIC BEHAVIOR OF POLYMERS HAVE ALREADY BEEN DEMONSTRATED TO BE USEFUL IN MONITORING THEIR CURE. THE USE OF MICROWAVE ENERGY AS A MEANS TO GET AT THIS AND OTHER ELECTRONIC PARAMETERS WHICH MAY BE DIRECTLY RELATABLE TO MATERIALS PROPERTIES IS A UNIQUE APPROACH WHICH DESERVES ATTENTION. THERE ARE TWO KEY TECHNICAL ISSUES INVOLVED IN THIS EFFORT. HOW FAR CAN ONE GO IN THE PROCESS BEFORE THE CARBON-CARBON BECOMES TOO CONDUCTIVE AND CAN ONE CREATE A MICROWAVE CAVITY IN THE OPERATING ENVIRONMENT. THE POTENTIAL BENEFITS TO A WIDE RANGE OF DOD AND COMMERCIAL APPLICATIONS FOR DETERMINING FEATURES OF THE MATERIAL MAKES THIS RESEARCH VERY INTERESTING AND WORTHY OF SUPPORT.

* information listed above is at the time of submission.

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