ALUMINUM ALLOY MATERIAL AND BONDED OBJECT, AND AUTOMOTIVE MEMBER
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Aug 27, 2015
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Aug 27, 2014
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Abstract
An Al—Mg—Si aluminum alloy material includes Sn. An oxide film formed on a surface of the aluminum alloy material is analyzed by a semi-quantitative analysis by X-ray photoelectron spectroscopy. A ratio of the number of Sn atoms to the number of Mg atoms in the oxide film is 0.001 to 3 on average. A ratio of the total number of atoms of Sn and Mg to the number of oxygen atoms is 0.001 to 0.2 on average.
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