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Niobium-Based Intermetallics for Affordable In-Space Propulsion Applications, Phase I
Completed
Description
This SBIR Phase I effort proposes an innovative class of refractory metal intermetallic composites as alternatives to high temperature metallic materials presently used and/or considered for in-space propulsion components. In addition to a superior high temperature performance potential, these niobium-based intermetallics could offer significant cost savings over conventional refractory alloys, provided they can be affordably manufactured into near-net shapes. An advanced reactive metal casting technology is applied to produce the most sophisticated Nb-based intermetallic composite component shape ever attempted. Innovative shape processing techniques are needed for Nb-based intermetallics, since they are critical to manufacturing cost-effectiveness.
Benefits
Potential non-NASA commercial applications include replacement candidates for nickel-based superalloys and refractory alloys in high temperature and corrosion-resistant applications. Essentially, any application and/or industry that needs the superior strength-to-density of Nb-based intermetallics within relative affordability while possessing high temperature and corrosion-resistant physical properties superior to nickel-based superalloys could use this technology.
Details
| Technology area | Materials, Structures, Mechanical Systems, and Manufacturing > Manufacturing > Manufacturing Processes |
| Program | Small Business Innovation Research/Small Business Tech Transfer (SBIR/STTR) |
| Lead organization | Johnson Space Center, Houston, TX |
| Start date | 2005-01-14 |
| End date | 2005-07-25 |
Project contacts
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How to get involved
This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.
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