Aluminum alloy and sacrificial galvanic anodes thereof

An aluminium base alloy consists of .Hg.0.003 - 0.04% .Bi.0.015 - 2.0% the balance, apart from impurities, being aluminium and is characterized in that the Bi:Hg ratio is from 5 to 53. The alloy may be prepared by adding a Bi.Hg pre-alloy and Bi to molten aluminium followed by casting. The alloy may...

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Bibliographische Detailangaben
Hauptverfasser:	REDING JOHN THOMAS, NEWPORT JOHN JOSEPH
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	An aluminium base alloy consists of .Hg.0.003 - 0.04% .Bi.0.015 - 2.0% the balance, apart from impurities, being aluminium and is characterized in that the Bi:Hg ratio is from 5 to 53. The alloy may be prepared by adding a Bi.Hg pre-alloy and Bi to molten aluminium followed by casting. The alloy may be used as a sacrificial anode, as a pigment in paints, for anodes in primary batteries or sacrificial coatings on metals such as steel sheet. Also they may comprise the active ingredients in flares, for use in chemical reductions and in the preparation of aluminium alkyls.