Corrosion-resistant aluminum alloy for aviation and preparation method thereof
The invention relates to the technical field of nonferrous metal processing, and discloses a corrosion-resistant aluminum alloy for aviation and a preparation method thereof. The corrosion-resistant aluminum alloy for aviation is characterized in that reasonable component ratio is provided and compo...
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| creator | ZHAO QIZHONG YAO XIANG QIN QIUHUI ZHU YUTAO ZHENG XU TAN ZIMENG HE KEZHUN WANG HUACHUN JIA GUILONG PENG FEI |
| description | The invention relates to the technical field of nonferrous metal processing, and discloses a corrosion-resistant aluminum alloy for aviation and a preparation method thereof. The corrosion-resistant aluminum alloy for aviation is characterized in that reasonable component ratio is provided and compound addition of rare earth elements is achieved through that X equals to 0.08% to 0.25%, X is a mixture of Zr and one or two of Sc and Pr, and compound addition of rare earth elements satisfies the relation of 0.5 |
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The corrosion-resistant aluminum alloy for aviation is characterized in that reasonable component ratio is provided and compound addition of rare earth elements is achieved through that X equals to 0.08% to 0.25%, X is a mixture of Zr and one or two of Sc and Pr, and compound addition of rare earth elements satisfies the relation of 0.5<=(Sc+Pr)/Zr<=1, so that a supersaturated solid solution is formed in the rapid solidification process of casting; Alx (Zr, Sc, Pr) multi-element dispersed phases which are fine in dispersion and has coherent relationship with a matrix can be more effectively formed in an aluminum alloystructure, the multi-element dispersion phases can effectively inhibit recrystallization of a structure in subsequent hot rolling and solid solution procedures, and the corrosion resistance of the material is improved. 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| subjects | ALLOYS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Corrosion-resistant aluminum alloy for aviation and preparation method thereof |
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