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DEVELOPMENT OF OXIDATION PROTECTION COATINGS FOR NB/NB5SI3 IN-SITU COMPOSITES

Award Information

Agency:
Department of Defense
Branch:
Air Force
Award ID:
15060
Program Year/Program:
1991 / SBIR
Agency Tracking Number:
15060
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
UES, Inc.
4401 Dayton-Xenia Road Dayton, OH 45432-
View profile »
Woman-Owned: Yes
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1991
Title: DEVELOPMENT OF OXIDATION PROTECTION COATINGS FOR NB/NB5SI3 IN-SITU COMPOSITES
Agency / Branch: DOD / USAF
Contract: N/A
Award Amount: $51,984.00
 

Abstract:

RECENT STUDIES AT THE AIR FORCE MATERIALS DIRECTORATE (WL/MLLM) HAVE SHOWN THAT NB-NB5SI3 BASED IN-SITU COMPOSITES HAVE THE POTENTIAL FOR PROVIDING AN ACCEPTABLE BALANCE IN LOW-TEMPERATURE TOUGHNESS AND HIGH-TEMPERATURE STRENGTH/CREEP RESISTANCE, AND THEREFORE, ARE ATTRACTIVE CANDIDATES AS HIGH-TEMPERATURE STRUCTURAL MATERIALS FOR ADVANCED AEROSPACE APPLICATIONS. HOWEVER, CATASTROPHIC OXIDATION AND EMBRITTLEMENT OF THESE MATERIALS LIMIT THEIR USEFULNESS IN ENGINE APPLICATIONS. UES, THEREFORE, IS PROPOSING AN SBIR PROGRAM TO DEVELOP OXIDATION-PROTECTIVE COATINGS FOR THE NB-NB5SI3 COMPOSITE SYSTEM, USING PHYSICAL VAPOR DEPOSITION, SPECIFICALLY, THE SPUTTER DEPOSITION PROCESS. THE REQUISITE ROLE OF THE PROTECTIVE COATINGS IS TO PROVIDE (A) A RESERVOIR FOR A PROTECTIVE, OXIDE SCALE FORMATION ON THE SURFACE, AND (B) A REASONABLE SUBSURFACE DIFFUSION BARRIER AROUND THE BASE ALLOY. THE PHASE I TECHNICAL OBJECTIVES ARE (A) TO DEMONSTRATE THE POTENTIAL OF THE SPUTTER DEPOSITION PROCESS FOR OBTAINING HIGHLY CONTROLLED, REPRODUCIBLE, DEFECT-FREE, UNIFORM COATINGS OF MOSI2 AND MO(GE,SI)2, AND MULTILAYER COATINGS OF (NB,MO)5SI3/MO5SI3/MOSI2 ON A SELECTED NB-NB5SI3 BASE ALLOY, AND (B) TO EVALUATE THE EFFECTIVENESS OF THE COATINGS IN FORMING A PROTECTIVE SURFACE OXIDE SCALE UNDER STATIC OXIDATION CONDITIONS.

Principal Investigator:

P R Subramanian
Principal Investigator
5134266900

Business Contact:

Small Business Information at Submission:

Univeral Engery Systems (ues)
4401 Dayton-xenia Road Dayton, OH 45432

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