Heat treatment of metal components in a muffle furnace under a gaseous atmosphere of nitrogen, hydrogen and a carbon carrier

The heat treatment of metal components in a muffle furnace is carried out under a gaseous atmosphere containing between 70 and 80 % of nitrogen, 10 to 30 % of hydrogen and 2 to 10 % of a carbon carrier. Procédé de traitement thermique de pièces métalliques dans des fours à moufle dans une atmosphère...

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Bibliographische Detailangaben
Hauptverfasser:	ENGLERT KARL OTTO, FOERSTER LOTHAR, BECHT ANDREAS, THALAU THOMAS, CZERINGER MICHAEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The heat treatment of metal components in a muffle furnace is carried out under a gaseous atmosphere containing between 70 and 80 % of nitrogen, 10 to 30 % of hydrogen and 2 to 10 % of a carbon carrier. Procédé de traitement thermique de pièces métalliques dans des fours à moufle dans une atmosphère gazeuse. L'atmosphère gazeuse contient entre 70 et 80 % d'azote, entre 10 et 30 % d'hydrogène et entre 2 et 10 % de carbone porteur.