Lightweight Ceramic Insulation and Method (MSC-20782)
This new technique offers improvements over conventional methods. By manipulating the water content of the salt solution before the freezing process, the ceramic's final density can be adjusted between 1% and 25% of its theoretical weight. In addition, the resulting ceramics offer greater strength characteristics compared with fibrous ceramics because of their uniformly fine microstructures. Potential commercial uses include ceramic or metallurgical industrial applications that require high temperature insulation, as well as the aerospace industry for space vehicle insulation. This fabrication method produces a ceramic consisting of uniformly fine microstructures that offer greater strength characteristics compared with fibrous ceramics. The ceramic insulation is capable of withstanding temperatures up to 1600 C. The ceramic's final density can be adjusted between 1% and 25% of its theoretical weight by manipulating the water content during the process. This technology has been developed into a working prototype.
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