METHOD FOR MODIFYING OF SURFACE LAYERS OF DETAILS OF TITANIUM BASED ALLOYS

FIELD: modifying of surface layers of details. SUBSTANCE: ions of inert gases, namely argon and neon ions, are used for purification. Processing is carried out within period more than 3000 s, energy in 50-350 eV and current density in 3-10 mA/cm being used. The process is followed by ion alloyage wh...

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Bibliographische Detailangaben
Hauptverfasser:	SMYSLOV A.M, GUSEVA M.I, MASLOVA L.I
Format:	Patent
Sprache:	eng
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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Zusammenfassung:	FIELD: modifying of surface layers of details. SUBSTANCE: ions of inert gases, namely argon and neon ions, are used for purification. Processing is carried out within period more than 3000 s, energy in 50-350 eV and current density in 3-10 mA/cm being used. The process is followed by ion alloyage which takes place within 500-2500 s with the help of nitrogen, energy in 30-50 eV and density of ion current in 30-60 mkA/cm being used. The latter process is co-operated with vacuum roasting at 450-550 C which is carried out within 2-2.4, pressure of residual gases being Pa. EFFECT: improved efficiency of the method.