Menetelmä metallijauheen typettämiseksi

A process for nitrifying a metal powder, in which the metal powder is nitrified with ammonia gas in a fluidized bed at a temperature of 400-750 degree C.

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Bibliographic Details
Main Authors VIRTA, JOUKO, HANNULA, SIMO-PEKKA
Format Patent
LanguageFinnish
Swedish
Published 12.04.1997
Edition6
Subjects
CASTING
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
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
TRANSPORTING
WORKING METALLIC POWDER
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Summary:A process for nitrifying a metal powder, in which the metal powder is nitrified with ammonia gas in a fluidized bed at a temperature of 400-750 degree C.
Bibliography:Application Number: FI19950004840