Audi Ag

Rudi Back

Andreas Kienzle

Johann Daimer

Matthieu Schwartz

Otto Mederie

A method for treating workpieces that consist of porous carbon material with liquid silicon with the formation of silicon carbide, comprising the steps: Preheating porous carbon workpieces under inert gas to the selected operating temperature T, feeding liquid silicon to the porous carbon workpieces at an operating pressure pand an operating temperature T, and impregnating the porous carbon workpieces with liquid silicon, reaction of the liquid silicon in the workpiece at a temperature Twith the formation of silicon carbide that consists of carbon and silicon, gassing the workpiece with inert gas and cooling from the operating temperature Tto the conditioning temperature T, cooling the workpieces to room temperature, the temperature Tbeing greater than or equal to the temperature T, and the workpiece in step d of the method no longer being in contact with liquid silicon outside of the workpiece.

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Munich, Georgia

Rudi Back