Abstract

The U.S. Naval Air Development Center is actively pursuing the development and performance characterization of hybrid materials, or 'hymats', which promise broad applicability in aerospace, avionics, and propulsion system structural components. Hymats currently under consideration encompass glass-fiber and aramid-fiber-reinforced Al-alloy laminates, thermotropic liquid crystal polymer fibril-reinforced metal matrix composites, or 'polymets', PEEK/Ni conductive segregated-network composites for EMI shielding, and 'compglass' SiC fiber-reinforced lithium-aluminosilicate glass-ceramic matrix composites for such high temperature components as turbine blades. All hymats are attractive candidates for commercialization. 31 refs.

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