High-Strength Carbide-Based Materials for Solid Rocket Nozzles

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: N00167-04-C-0052
Agency Tracking Number: B045-024-0149
Amount: $99,999.00
Phase: Phase I
Program: STTR
Awards Year: 2004
Solitcitation Year: 2004
Solitcitation Topic Code: MDA04-T024
Solitcitation Number: N/A
Small Business Information
HI-Z TECHNOLOGY, INC.
Suite 7400, 7606 Miramar Road, San Diego, CA, 92126
Duns: 192116440
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Arthur Metcalfe
 Principal Investigator
 (858) 695-6660
 a.metcalfe@hi-z.com
Business Contact
 Norbert Elsner
Title: President
Phone: (858) 695-6660
Email: n.elsner@hi-z.com
Research Institution
 Sourthern Research Institute
 Nancy Benjamin
 2000 Ninth Avenue South
Birmingham, AL, 35295
 (205) 581-2873
 Domestic nonprofit research organization
Abstract
Hi-Z Technology, Inc. (Hi-Z) proposes to develop improved tantalum carbide sheet materials that can be laminated with graphite sheets for a zero erosion throat for aluminized propellant rocket motors. The tantalum carbide sheet will have a uniform composition in the range TaC0.7 to TaC0.89 to take advantage of the higher melting point, lower elastic modulus and lower ductile-brittle transition temperature compared with stoichiometric TaC. The sheet will be processed to leave residual compression stresses in the surface. The laminate material will be capable of withstanding up to 0.5% strain due to thermal shock. The technology developed uses low cost, commercially available sheet as a precursor and can be applied to advanced compositions to operate at 6600°F or higher. Some work will be done on hot pressed material to provide a baseline for comparison with earlier work and will include Augier spectroscopy.

* information listed above is at the time of submission.

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