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
Contract: N/A
Agency Tracking Number: 3641
Amount: $249,871.00
Phase: Phase II
Program: SBIR
Awards Year: 1987
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
American Research Corp. Of Va
Po Box 3406 - 642 First St, Radford, VA, 24143
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr P W Chan
 (703) 731-0655
Business Contact
Phone: () -
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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