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LASER ABLATION METHOD FOR TREATING A ZIRCONIA CONTAINING CERAMIC SURFACE
LASER ABLATION METHOD FOR TREATING A ZIRCONIA CONTAINING CERAMIC SURFACE
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机译:激光烧蚀含陶瓷表面氧化锆的方法
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摘要
A method of treating a ceramic surface containing zirconia, whereby the ceramic surface is ablated by directing a laser beam with a diameter of 200-400 μm produced by a CO2 laser with a pulse frequency of 1200-1800 Hz onto the ceramic surface, and a N2 assist gas is concurrently applied with a pressure of 550-650 KPa co-axially with the laser beam to form an ablated ceramic surface comprising microgrooves with ZrN present on a surface of the microgrooves, wherein the ablated ceramic surface has a higher surface hydrophobicity than the ceramic surface prior to the ablating.
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