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第6期 王春雨等:石墨纤维增强铝基复合材料表面稀土成膜过程 ,633 Image 图5Gr/6061Al复合材料表面稀土成膜30min元素面分布 Fig.5 Element area distributions of the rare earth conversion coating on Gr/6061Al composite surface in 30min Image Ce Si 图6Gr/6061A1复合材料表面稀土成膜120min元素面分布 Fig.6 Element area distributions of the rare earth conversion coating on Gr/6061Al composite surface in 120 min 14000 10000 (a) ●e3d Ce 12000 OkLL 9000 Ce 10000 8000 8000 6000 7000 4000 6000 2000 5000 0 】400120010008006004002000 400960940 920900880860 结合能/eV 结合能/eV 图7XPS测试Gr/6061A1表面稀土膜层(120min)元素价态.(a)全谱图;(b)Ce3d价带谱 Fig.7 Element valence of the rare earth conversion coating (120min)on Gr/6061Al composite surface by XPS:(a)survey spectrum:(b)Ce 3d spectrum图5 Gr/6061Al 复合材料表面稀土成膜30min 元素面分布 Fig.5 Element area distributions of the rare earth conversion coating on Gr/6061Al composite surface in30min 图6 Gr/6061Al 复合材料表面稀土成膜120min 元素面分布 Fig.6 Element area distributions of the rare earth conversion coating on Gr/6061Al composite surface in120min 图7 XPS 测试 Gr/6061Al 表面稀土膜层(120min)元素价态.(a) 全谱图;(b) Ce3d 价带谱 Fig.7 Element valence of the rare earth conversion coating (120min) on Gr/6061Al composite surface by XPS:(a) survey spectrum;(b) Ce3d spectrum 第6期 王春雨等: 石墨纤维增强铝基复合材料表面稀土成膜过程 ·633·
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