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LASER ALLOYING OF PLASMA-DEPOSITED COATINGS FOR PROTECTION AGAINST ATOMIC OXYGEN

Award Information

Agency:
Department of Defense
Branch:
Missile Defense Agency
Award ID:
8288
Program Year/Program:
1991 / SBIR
Agency Tracking Number:
8288
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
American Research Corporation of Virginia
1509 Fourth Street P.O. Box 3406 Radford, VA 24143 0340
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 2
Fiscal Year: 1991
Title: LASER ALLOYING OF PLASMA-DEPOSITED COATINGS FOR PROTECTION AGAINST ATOMIC OXYGEN
Agency / Branch: DOD / MDA
Contract: N/A
Award Amount: $38,898.00
 

Abstract:

ATOMIC OXYGEN-INDUCED DEGRADATION OF MATERIALS IN LOW EARTH ORBIT IS A PROBLEM OF GREAT CONCERN IN THE DEPLOYMENT OF SATELLITES, REFLECTORS AND MIRROR AND ANTENNA STRUCTURES. IN PARTICULAR, THE DEGRADATION OF THIN CARBON-CARBON COMPOSITE MATERIALS BY ATOMIC OXYGEN RESTRICTS THE OPERATIONAL LIFE AND BATTLE-READINESS OF THIS OTHERWISE STRUCTURALLY ADVANTAGEOUS MATERIAL. ALTHOUGH SEVERAL METHODS ARE BEING DEVELOPED TOPROTECT THIN CARBON-CARBON COMPOSITE MATERIALS FROM ATOMIC OXYGEN ATTACK, NO METHOD HAS PROVEN SUCCESSFUL, IN PART BECAUSE OF THE DIFFERENTIAL THERMAL EXPANSION EXPERIENCED BY COATINGS AND IN PART BECAUSE OF LOW BONDING ENERGIES BETWEEN A COATING AND THE CARBON-CARBON SURFACE. A TWO STEP PROCESS IS BEING INVESTIGATED FOR DEPOSITING A GRADED OXIDATION-RESISTANT COATING ONTO CARBON-CARBON COMPOSITE MATERIALS USING PLASMA SPRAY TECHNIQUES FOLLOWED BY LASER SURFACE ALLOYING. THE INNOVATION OF THIS SYSTEM INVOLVES THE VERSATILITY OF THE COATING METHOD, THE PROVEN ABILITY OF PLASMA SPRAY TECHNOLOGIES TO LAYDOWN EXTREMELY THIN COATINGS ON CARBON-CARBON COMPOSITE MATERIALS, AND THE CONTROL OVER COMPOSITION AND MICROSTRUCTURE AFFORDED BY LASER SURFACE ALLOYING. PLASMA-SPRAY MATERIALS ARE BEING EVALUATED; OPTIMAL PLASMA DEPOSITION AND LASER ALLOYING PARAMETERS DETERMINED; AND MATERIALS FABRICATED AND TESTED UNDER CYCLIC CONDITIONS.

Principal Investigator:

Dr Russell J Churchill
7037310655

Business Contact:

Small Business Information at Submission:

American Research Corp. Of Va
Po Box 3406 Radford, VA 24143

EIN/Tax ID:
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No