Method for repairing carbon-carbon thermal field product

The invention discloses a method for repairing a carbon-carbon thermal field product, which comprises the following steps of: drying carbon residues generated in the machining process of the carbon-carbon thermal field product, sieving with a 100-mesh sieve, taking screen underflow to obtain carbon...

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Hauptverfasser: QIN SHENGTAO, LI JINWEI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a method for repairing a carbon-carbon thermal field product, which comprises the following steps of: drying carbon residues generated in the machining process of the carbon-carbon thermal field product, sieving with a 100-mesh sieve, taking screen underflow to obtain carbon powder, and stirring and mixing the carbon powder, resin and a diluent to obtain a coating; the coating is brushed on the defect position of a carbon-carbon thermal field product, drying, accurate grinding and chemical vapor deposition are conducted, and the carbon-carbon thermal field product is obtained. According to the method, the carbon residues generated in the machining process of the carbon-carbon thermal field product serve as the raw material, the defect position of the carbon-carbon thermal field product is coated, the consistency of the material can be guaranteed, the cracking phenomenon caused by material mismatching is avoided, meanwhile, repairing is conducted through chemical vapor deposition after