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    • 3. 发明授权
    • Electrocoating internal surfaces of a metallic substrate using a wireless electrode
    • 使用无线电极的金属基底的电涂覆内表面
    • US08480872B2
    • 2013-07-09
    • US12987457
    • 2011-01-10
    • Hua-Tzu FanYar-Ming WangHong-Hsiang Kuo
    • Hua-Tzu FanYar-Ming WangHong-Hsiang Kuo
    • C25D13/14C25D17/12
    • C25D13/14C25D7/04
    • A system for electro-coating a metallic substrate includes a DC power supply, a primary electrode, and a wireless auxiliary electrode. The primary electrode transmits electrical current through electrolyte fluid when energized by the power supply. The auxiliary electrode is within the drain hole, and receives the current from the fluid at one end. The auxiliary electrode boosts the calibrated voltage at the opposite end near the drain hole. In a method for depositing thin film material onto the internal surfaces, the wireless auxiliary electrode is positioned in the drain hole, and the calibrated voltage is applied from the DC power supply to the primary electrode. Electrical current transmitted through the fluid is received at the first end of the auxiliary electrode. The calibrated voltage is boosted in proximity to the drain hole at the second end of the same auxiliary electrode. A wireless auxiliary electrode assembly is also provided.
    • 用于电镀金属基底的系统包括直流电源,初级电极和无线辅助电极。 当电源供电时,主电极通过电解质流体传输电流。 辅助电极位于排水孔内,并在一端接受来自流体的电流。 辅助电极在靠近排水孔的相对端增强校准电压。 在用于在内表面上沉积薄膜材料的方法中,无线辅助电极位于排水孔中,并且校准的电压从直流电源施加到初级电极。 通过流体传输的电流在辅助电极的第一端被接收。 校准电压在相同辅助电极的第二端附近的排水孔附近升压。 还提供无线辅助电极组件。
    • 7. 发明申请
    • SELF-DEPOSITED COATINGS ON MAGNESIUM ALLOYS
    • 自由沉积的镁合金涂层
    • US20090269501A1
    • 2009-10-29
    • US12362499
    • 2009-01-30
    • Guangling SongYar-Ming WangHong-Hsiang Kuo
    • Guangling SongYar-Ming WangHong-Hsiang Kuo
    • B05D1/36
    • B05D7/142B05D2202/20C09D5/008C09D5/088C09D5/4438C23C22/83C25D13/04C25D13/14C25D13/20C25D13/22
    • Some articles such as automobile components that have been constructed from steel and/or aluminum alloy parts are now being fitted with magnesium parts whose surfaces may need to be protected against corrosion. To do this an e-coating pre-film may be formed on the part's magnesium surfaces by exposing it to a conventional e-coating emulsion. And there is no need to supply a current or potential to the part or component. Magnesium's high reactivity with acidic or neutral aqueous mediums is itself a sufficient driving force to facilitate the deposition of an e-coating pre-film. At the same time any steel or aluminum alloy parts will remain unaffected. The article with a protective e-coating pre-film formed solely on its magnesium surfaces may now be advanced through a paint-line that includes conventional processes aimed at treating the component's steel and aluminum alloy parts. The process may be practiced where the magnesium surface comprises a magnesium-containing conversion or anodized coating.
    • 一些由钢和/或铝合金部件构成的汽车部件的物品现在配备了可能需要防止其表面腐蚀的镁部件。 为了做到这一点,可以通过将其暴露于常规的电泳涂布乳液,在该部件的镁表面上形成e涂层预膜。 并且不需要为零件或部件提供电流或电位。 镁与酸性或中性水性介质的高反应性本身是促进电镀膜预膜沉积的足够驱动力。 同时任何钢或铝合金零件都不会受到影响。 具有仅在其镁表面形成的保护性电镀涂层预薄膜的物品现在可以通过涂料线进行,其包括旨在处理组分的钢和铝合金部件的常规方法。 该方法可以在镁表面包含含镁转化或阳极化涂层的情况下进行。