Study on Cause of Etched Stripes on High Quality Titanium Anode Plate

The high quality titanium anode plate is corroded by oxalic acid solution, and its surface corrosion stripes analyzed. The macro morphology of the stripes is observed, and then the micro morphology, grain distribution, and texture are analyzed by scanning electron microscope, metallographic microscope and laser confocal. The results show the stripe zone consists of wide and narrow stripe zones. The grain size of the wide strip zone is obviously different from that of the no stripe zone. The grain size of the narrow stripe zone has no obvious difference with the no stripe zone. The textures in the grain of narrow stripe and no strip zones are different, which is closely related to the rolling process.