ＡＺ３１マグネシウム合金における酸水溶液処理方法
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概要
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In order to impart metallic luster to AZ31 magnesium alloy, the conditions of surface treatment were optimized, and the formative mechanism of metallic luster on the surface was inferred from the results of surface analysis. The target of this study was the surface of AZ31 magnesium alloy that was polished by emery paper (#2000) . When the optimal acid aqueous solution treatment was applied, more than 60% of the magnesium in the film was oxidized. In addition, the thickness of the film was about 55 nm. It was confirmed that hydrogen generation was inhibited under the optimized surface treatment conditions. This optimization was performed by examining oxidant addition and the temperature of the acid aqueous solution, and metallic luster was successfully imparted to the alloy. In the optimal acid aqueous solution treatment, it was found that the reaction rate of magnesium oxide formation was faster than that of the dissolution of magnesium from the film composed of magnesium oxide on the surface. For surface treatment conditions in which a dull surface was obtained, it is speculated that the surface became rough due to the generation of hydrogen.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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