純チタンおよびチタン合金の水溶液下での腐食と水濡れ性の基礎的解析

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  • Fundamental Analysis of Pure Titanium and Its Alloy Corrosion and Water Wettability in Solution

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  Wettability of a material surface plays a very important role in solid-liquid interaction phenomena used to analyze material surface treatments, soldering, and for the improvement of material properties with surfactant solutions and lubricants.<br>    In this research, the shape of a liquid droplet on a solid surface was studied theoretically following the corrosion of pure titanium and the titanium alloy in NaF solution. In general, the wettability of a material surface is evaluated by the contact angle of the liquid droplet formed on the solid surface. The shape of the liquid droplet was solved with a nonlinear differential equation numerically derived from the Laplace equation. The contact angle of the numerically derived and experimentally measured shape of water droplets was compared.<br>    As a result, the variation in the shape of the water droplet due to surface corrosion might greatly influence the contact angle.<br>

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 70 (12), 962-967, 2006

    公益社団法人 日本金属学会

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