HIGH STRENGTH AND HIGH CORROSION RESISTANT CLAD MATERIAL FOR AL HEAT EXCHANGER

PURPOSE:To obtain a clad material having high strength and corrosion resistance and excellent in brazability as the material for a fluoride flux, by cladding one side of a core material made of an Al allay with a brazing filler metal via an intermediate material, and cladding its opposite side with...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAUCHI SHIGENORI, SHIYOUJI YOSHIFUSA, ITO YASUNAGA, TAKAHASHI HIROSHI, KATO KENJI, YAMAMOTO YOSHIMASU, SUZUKI YUJI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BLASTING CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION FERROUS OR NON-FERROUS ALLOYS HEAT EXCHANGE IN GENERAL HEATING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a clad material having high strength and corrosion resistance and excellent in brazability as the material for a fluoride flux, by cladding one side of a core material made of an Al allay with a brazing filler metal via an intermediate material, and cladding its opposite side with a sacrificial anode material. CONSTITUTION:This invention is constituted in such a manner that an Al alloy contg. 0.3 to 2.0% Mn, 0.25 to 1.0% Cu, 0.4 to 1.0% Mg, 0.1 to 1.0% Si and 0.06 to 0.35% Ti is used as a core material 1, and one side of this core material is clad with the brazing filler metal 3 of an Al-Si series allay via the intermediate material 2 of an Al allay contg. 0.1 to 2.0% Mn and 0.06 to 0.35% Ti and, furthermore, contg. =0.15%.