VERFAHREN ZUR VERLAENGERUNG DER STANDZEIT VON METALLTEILEN, INSBESONDERE VON BEI HOHEN TEMPERATUREN BETRIEBENEN TRIEBWERKSSCHAUFELN

VERFAHREN ZUR VERLAENGERUNG DER STANDZEIT VON METALLTEILEN, INSBESONDERE VON BEI HOHEN TEMPERATUREN BETRIEBENEN TRIEBWERKSSCHAUFELN

A method for extending the secondary creep life of an alloy part which had previously been subjected to a solution heat treatment at a high temperature and to a subsequent precipitation hardening heat treatment at a lower temperature, the method being characterized by subjecting the part, after it h...

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Bibliographische Detailangaben
Hauptverfasser: DROR,GIDON, CINA,BARUCH, MERON,MICHAEL, MAURICE MYRON,STUART
Format: Patent
Sprache:ger
Schlagworte:
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:A method for extending the secondary creep life of an alloy part which had previously been subjected to a solution heat treatment at a high temperature and to a subsequent precipitation hardening heat treatment at a lower temperature, the method being characterized by subjecting the part, after it has experienced significant secondary creep but before tertiary creep has set in, to a recuperative heat treatment at a temperature substantially below the solution heat treatment temperature, and preferably above the precipitation hardening heat treatment temperature, while the part is unstressed.