LEADING EDGE STRUCTURAL CONCEPT FOR HYPERVELOCITY VEHICLE

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: N/A
Agency Tracking Number: 8631
Amount: $69,995.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1988
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
350 Second Ave, Waltham, MA, 02254
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 JOSEPH S BOYCE
 (617) 890-3200
Business Contact
Research Institution
N/A
Abstract
A MAJOR PROBLEM FACING PHYPERSONIC VEHICLE DESIGNERS IS THE DEVELOPMENT OF FLIGHT STRUCTURES WHICH CAN WITHSTAND MULTIPLE HEATING CYCLES TO OVER 3500 DEG F. ADVANCED CARBON/CARBON COMPOSITES (ACC) ARE A LEADING CANDIDATE BUT WILL REQUIRE IMPROVED STRUCTURAL CONCEPTS AND OXIDATION RESISTANT COATINGS. CURRENT 2-D ACC MADE FROM CARBON-PHENOLIC HAVE POOR TRANSVERSE STRENGTH AND THERMAL CONDUCTIVITY. 3-D ACC ARE HIGH COST AND CURRENT 3-D WEAVING METHODS CANNOT PRODUCE INTEGRALLY STIFFENED-SKIN PANELS OF COMPLEX SHAPE. FOSTER-MILLER IS PROPOSING A LOW-COST INNOVATIVE METHODS TO CONVERT A 2-D CARBON PHENOLIC PREPREG TO 3-D DURING AUTOCLAVE PROCESSING. THE RESULTING ACC WILL HAVE IMPROVED TRANSVERSE (THROUGH-THICKNESS) STRENGTH AND CONDUCTIVITY. THE PROCESS CAN HANDLE THINWALL STRUCTURES OF COMPLEX SHAPE. INTEGRAL ATTACHMENT OF STIFFENERS IS POSSIBLE ELIMINATING THE NEED FOR SEPARATE C/C FASTENERS. CANDIDATE TRANSVERSE REINFORCING MATERIALS INCLUDE: BORON, SIC, TUNGSTEN, AND EXTRUDED CARBON/PHENOLIC RODS. IN PHASE I SAMPLE TRANSVERSE REINFORCED C/C SPECIMENS WILL BE MADE AND TESTED.

* Information listed above is at the time of submission. *

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