Selective dissolution of Ti-Mo binary alloys

被引：0
|
作者：
Shcherbakov, A.I.
Dorofeeva, V.N.
Plavnik, G.M.
Puryaeva, T.P.
机构：
来源：
Zashchita Metallov | 1992年 / 03期
关键词：
Alloying elements - Dissolution - Molybdenum - Passivation - Reaction kinetics - Surface phenomena - Titanium alloys;
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学科分类号：
摘要：
The kinetics of Ti and Mo dissolution and variations in properties of binary Ti-Mo alloy surface alloys with their compositions are studied under potentiostatic exposures in active potential areas. The alloy dissolution is shown to be controlled by the β-phase content. The less the β-phase content, the higher the rate of Ti dissolution and the less the Mo concentration in solution. Corrosion of two-phase Ti-Mo alloys is purely phase-selective. Accumulation of the Mo-rich phase on the surface does not retard the rate of Ti and Mo anodic dissolution. Anodic efficiency of binary Ti-Mo alloys is affected not only by the Mo content and alloy structures, but by the Mo enrichment in surface layers as well.
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页码：364 / 369
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