Aluminum alloy sacrificial anode used for water storage type water heater

The invention relates to an aluminum alloy sacrificial anode used for a water storage type water heater. Aluminum serves as raw materials. The aluminum alloy sacrificial anode used for the water storage type water heater is prepared from, by weight, 0.5-2.8% of a zinc element and 0.1-0.5% of a tin e...

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Bibliographische Detailangaben
Hauptverfasser:	HAN LI, SHI XUEDONG, WEN JUNGUO, CHEN DONGXU, LI XIANG, MA ZHIXIN, JI LIANQIN
Format:	Patent
Sprache:	chi ; 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:	The invention relates to an aluminum alloy sacrificial anode used for a water storage type water heater. Aluminum serves as raw materials. The aluminum alloy sacrificial anode used for the water storage type water heater is prepared from, by weight, 0.5-2.8% of a zinc element and 0.1-0.5% of a tin element. Further, a bismuth element and/or a gallium element are/is added, and preferentially, the weight percent of bismuth is 0.1-0.3%, and the weight percent of gallium is 0.05-0.25%. The multi-element aluminum alloy sacrificial anode solves the problems that in the using process of a current magnesium alloy sacrificial anode material, the actual capacitance is low, the service life is short, water is polluted, and an aluminum alloy sacrificial anode is poor in universality, not stable in performance and the like.