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Ti-15Mo合金试样在70℃,4mol HCl中,不同电位下恒电位阳极极化,使用等离子质谱(ICP-MS)方法分析试验溶液。结果表明,试验溶液中Mo贫乏,由此推测在试样表面形成的阳极钝化膜中Mo发生富集。Mo的富集系数Z(M_o)达到0.61。不同极化电位对Mo富集程度影响不大。
The Ti-15Mo alloy samples were anodically polarized at potentials of different potentials in 4mol HCl at 70 ℃, and the test solution was analyzed by ICP-MS. The results show that Mo is poor in the test solution, suggesting that Mo is enriched in the anode passivation film formed on the sample surface. The enrichment coefficient Z (M_o) of Mo reached 0.61. Different polarization potentials have little effect on the enrichment of Mo.