| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of electropolishing, with which titanium and titanium-containing alloys such as Nitinol can be smoothed and deburred efficiently and at high quality, without causing any appreciable pollution or dangers for humans and the environment, and making expensive cooling equipment and safety precautions unnecessary. SOLUTION: An electrolyte including methanesulfonic acid and one or more alkanediphosphonic acids is used. The electropolishing preferably takes place at a temperature in the range from 20°C to 70°C, for example between room temperature and 60°C, and in particular at a temperature between 25°C and 50°C. The anodic current density at which the workpieces are electropolished is preferably in the range from 2 to 50 A/dm<SP>2</SP>, in particular between 5 to 30 A/dm<SP>2</SP>. The applied voltage can often be in the range from 10 to 35 V. COPYRIGHT: (C)2008,JPO&INPIT
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