Non-Equilibrium Segregation of Cu on Surface of Al-1.17%Cu Alloy
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摘要: X光電子能譜表明,在Al-1.17%Cu合金氧化膜下的過飽和空位造成的空位坑中,有較大的Cu的偏聚.這種偏聚可用空位-Cu原子復合體擴散導致的非平衡偏聚理論來解釋.Abstract: X-ray photoelectron spectroscopy shows that there is Cu segregation in vacancy condensation pits below oxidation layer of Al-1.17%Cu alloy sample. This phenomenon could be explained by Cu atom-vacancy complexes inducing non-equilibrium segregation.
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Key words:
- Al alloy /
- surface /
- diffusion/segregation
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