ALUMINUM ALLOY PLATE WITH EXCELLENT LASER WELDING PROPERTY

An aluminum alloy board with a superior laser welding is provided to be used as a lithium ion battery case lid material. An aluminum alloy board with a superior laser welding made of aluminum alloy having the composition consisting more than 0.6% and less than 10% of Si; less than 0.2% of Cu; less t...

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Bibliographic Details
Main Authors OGURI YOSHIFUMI, KUMAGAI MASAKI, SAKAGUCHI NOBUHITO, TANAKA HIROKI
Format Patent
LanguageEnglish
Published 17.03.2009
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:An aluminum alloy board with a superior laser welding is provided to be used as a lithium ion battery case lid material. An aluminum alloy board with a superior laser welding made of aluminum alloy having the composition consisting more than 0.6% and less than 10% of Si; less than 0.2% of Cu; less than 0.2% of MG; the remnant Al; and inevitable impurity. The Si single phase less than 5mum over 2mum and inter metallic compound exists among matrix over 40 per 10000mum^2. Aluminum alloy can contain less than 2.0% and more than 0.5% of Fe. Aluminum alloy can contain less than 0.8% and more than 0.05% of Mn.
Bibliography:Application Number: KR20080070330