ALUMINUM ALLOY SHEET FOR BATTERY CASE USE EXCELLENT IN FORMABILITY, HEAT DISSIPATION, AND WELDABILITY
Provided is a 3000 series aluminum alloy sheet having heat-dissipating characteristics applicable to large lithium ion cell containers, and also having excellent moldability, shape-freezing properties, and laser weldability. The aluminum alloy sheet is a cold-rolled, annealed material having a compo...
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| creator | MIZUSHIMA, KAZUMITSU HORI, HISASHI SUZUKI, KENTA OOWADA, YASUYUKI |
| description | Provided is a 3000 series aluminum alloy sheet having heat-dissipating characteristics applicable to large lithium ion cell containers, and also having excellent moldability, shape-freezing properties, and laser weldability. The aluminum alloy sheet is a cold-rolled, annealed material having a component composition of, by mass, 0.05 to less than 0.3% Fe, 0.6 to 1.5% Mn, and 0.05 to 0.6% Si, with the balance being Al and impurities, the impurities being, by mass, less than 0.35% Cu and less than 0.05% Mg; and displaying an IACS electrical conductivity exceeding 45%, a 0.2% proof stress of 40 to less than 60 MPa, and an elongation value of 20% or more. Alternatively, the aluminum alloy sheet may be an as-cold-rolled material displaying an IACS electrical conductivity exceeding 45%, a 0.2% proof stress of 60 to less than 150 MPa, and an elongation value of 3% or more. To further increase the electrical conductivity, one or more of, by mass, 0.001 to 0.5% Co, 0.005 to 0.05% Nb, and 0.005 to 0.05% V may be included. |
| format | Patent |
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| language | eng ; fre |
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| subjects | ALLOYS BASIC ELECTRIC ELEMENTS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | ALUMINUM ALLOY SHEET FOR BATTERY CASE USE EXCELLENT IN FORMABILITY, HEAT DISSIPATION, AND WELDABILITY |
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