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Silicon/silicon carbide ceramic composites were fabricated by the three-dimensional printing (3DP™) from Si/SiC/dextrin powder blends. After printing the C/Si/SiC preforms were infiltrated with a liquid silicone resin for transient shape stabilization. The green bodies were pyrolyzed at 1000°C in nitrogen atmosphere resulting in a residue with a porosity of ∼41%. The porous preforms exhibit excellent...
A specially developed macro-cellular SiC non-foam reactor has been used for investigations into Diesel–fuel injection, mixture formation and the heat release process inside a porous structure under piston-engine conditions. The heat release process has been compared to a free Diesel combustion indicating a significant influence of the reactor heat capacity on the thermodynamics of the process. Generally,...
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