Nanograin MgF2 for Multi-Mode Seeker Dome
Department of Defense
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Small Business Information
MATERIALS MODIFICATION, INC.
2721-D Merrilee Drive, Fairfax, VA, 22031
Socially and Economically Disadvantaged:
AbstractNext generation missiles require multi-mode seekers that combine both infrared and millimeter wave capabilities to improve standoff distances and allow for accurate target recognition. Materials used to fabricate domes for such seekers suffer from drawbacks such as high dielectric constant and/or inferior transparency to IR. Magnesium fluoride is a candidate material for the above application since it is known to possess superior dielectric and IR transmission properties than other traditional dome materials. Despite the established promise of this material, it has not yet been successfully used, due to its inferior mechanical properties. In this Phase I Small Business Innovation Research project, Materials Modification Inc., aims to overcome the above drawback of MgF2 by fabricating nanostructured material that will exhibit good mechanical and optical properties. MgF2 nanopowders will be prepared by a proprietary process and will be compacted to high-strength, optically transparent pieces for fabrication of multi-mode seeker missile domes. Phase I will involve processing of the nanoparticles and their consolidation into near net shapes while Phase II will include scaling up the process for producing, in addition to domes, a large number of parts for use by defense organizations.
* information listed above is at the time of submission.