Speaker
Description
The increasing demand for lightweight, multifunctional spacecraft structures requires materials that can simultaneously address radiation-shielding, mechanical and thermal requirements. This presentation introduces a novel aluminum-based metal matrix composite (MMC) technology platform capable of producing highly customized structural materials engineered for mission-specific requirements.
By selecting and spatially tailored reinforcement structure phases such as boron carbide, doping ceramic particles, and other engineered constituents, the resulting MMCs can be optimized for enhanced neutron and ionizing radiation shielding, impact resistance against micrometeoroids and orbital debris, with improved thermal management, and controlled electrical conductivity as the result of the continuous aluminum matrix.
Unlike conventional monolithic alloys or standardized composite systems, the presented platform allows the simultaneous optimization of multiple performance parameters within a single material system. The resulting composites exhibit attractive combination of lightweight construction, high specific stiffness and ductility, thermal conductivity and electrical conductivity, low thermal expansion, and excellent machinability using electrical discharge machining (EDM), enabling the fabrication of complex geometries and integrated multifunctional components.