SURFACE ALLOYED HIGH TEMPERATURE ALLOYS

THERE IS PROVIDED A SURFACE ALLOYED COMPONENT WHICH COMPRISES A BASE ALLOY WITH A DIFFUSION BARRIER LAYER ENRICHED IN SILICON AND CHROMIUM BEING PROVIDED ADJACENT THERETO. AN ENRICHMENT POOL LAYER IS CREATED ADJACENT SAID DIFFUSION BARRIER AND CONTAINS SILICON AND CHROMIUM AND OPTIONALLY TITANIUM OR...

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Bibliographische Detailangaben
Hauptverfasser:	SABINO STEVEN ANTHONY PETRONE, RADHAKRISHNA CHAKRAVARTHY MANDYAM, ANDREW GEORGE WYSIEKIERSKI
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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Beschreibung
Zusammenfassung:	THERE IS PROVIDED A SURFACE ALLOYED COMPONENT WHICH COMPRISES A BASE ALLOY WITH A DIFFUSION BARRIER LAYER ENRICHED IN SILICON AND CHROMIUM BEING PROVIDED ADJACENT THERETO. AN ENRICHMENT POOL LAYER IS CREATED ADJACENT SAID DIFFUSION BARRIER AND CONTAINS SILICON AND CHROMIUM AND OPTIONALLY TITANIUM OR ALUMINIUM. A REACTIVE GAS TREATMENT MAY BE USED TO GENERATE A REPLENISHABLE PROTECTIVE SCALE ON THE OUTERMOST SURFACE OF SAID COMPONENT.