REPAIRING METHOD OF AUSTENITIC METALLIC PARTS

PURPOSE:To restore the weldability and mechanical strength of a base metal for cracked austenitic metallic parts and to extend the life of the metallic parts after welding by subjecting said parts to a soln. heat treatment prior to build-up welding. CONSTITUTION:The austenitic metallic parts are sub...

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Bibliographische Detailangaben
Hauptverfasser: TSUTSUMI NOBUO, UEMURA AKIRA, FURUTA TOKUSHICHI, ABE MOTOO, YAMADA TAKAHISA, KOGA TAKEMOTO, TSUDA MASAYUKI, BANBA TOSHIJI
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To restore the weldability and mechanical strength of a base metal for cracked austenitic metallic parts and to extend the life of the metallic parts after welding by subjecting said parts to a soln. heat treatment prior to build-up welding. CONSTITUTION:The austenitic metallic parts are subjected to the soln. heat treatment prior to welding the cracked part thereof. The cracked part is thereafter subjected to gouging, then to build-up welding. The weldability and mechanical strength of the metallic base material are restored and the cracked part is satisfactorily repaired, by which the life of the metallic parts is extended.