Rotary anode as well as a method for producing a cooling element of a rotary anode

Method for producing a rotationally symmetrical cooling element for a rotary anode for an x-ray tube, rotating around a rotation axis, and comprising carbon fibers of a high heat conductivity running along the axis, comprising the steps of:

• producing a stripe-shaped preform according to a tailored fiber placement method (TFP) by sewing of carbon fibers on a textile base material such that the carbon fibers run substantially parallel to each other in the preform;
• wrapping the stripe-shaped preform on a cylindrical body;
• impregnating the preform with carbon or a material converted by carbonizing to carbon;
• heat treating the wrapped, impregnated perform;
• recompressing the heat-treated perform at least once;
• treating the recompressed, heat-treated preform under high temperature to produce a body;
• and
• mechanically definitively processing the body to attain a definitive shape of the cooling element.