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Aluminum material for use to be welded through the oxide film, as well as welded structure using aluminum material together for the welding applications
Aluminum material for use to be welded through the oxide film, as well as welded structure using aluminum material together for the welding applications
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机译：通过氧化膜焊接使用的铝材料，以及将铝材料一起用于焊接应用的焊接结构
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摘要
PROBLEM TO BE SOLVED: To provide a surface treated aluminum material suitable for welding, a method for stably producing the same, and a welded structure using the aluminum material for welding.SOLUTION: An oxide film 2 is formed on the surface of an aluminum material 1. The oxide film 2 comprises a porous aluminum oxide film layer 3 with a thickness of 20-500 nm formed on the surface side and a barrier-type aluminum oxide film layer 4 with a thickness of 3-30 nm formed on the basis material 5 side. In the porous aluminum oxide film layer 3, pores 31 with a diameter of 5-30 nm are formed. The aluminum material for welding is weldable via the oxide film 2. A method for producing the aluminum material for welding, and a welded structure of the aluminum material using the aluminum material for welding are provided.
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