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    • 1. 发明授权
    • Process and composition for treatment of titanium and titanium alloys
    • 钛和钛合金的处理和组成
    • US4846897A
    • 1989-07-11
    • US194374
    • 1988-05-16
    • Hiroyoshi NakagawaEiichi NishiMasanori Kanda
    • Hiroyoshi NakagawaEiichi NishiMasanori Kanda
    • C23C22/34
    • C23C22/34
    • A chemical conversion treatment solution for titanium or titanium alloy which comprises fluoride ions in a concentration of between about 5 to 40 g/l, a nitrate ion to fluoride ion weight ratio between about 0.005:1 to 0.2:1, a sulphate ion to fluoride ion weight ratio of between about 0.02:1 to 0.5:1 at least one metallic ion selected from the group consisting of Mg, Ca, Mn, Fe, Co, Ni, Zn and Mo in a weight ratio to fluoride ion between about 0.02:1 to 0.5:1, and at least one compound which is organochelate compound in a concentration of between about 0.1 to 2 g/l, a water-soluble organic high polymer in a concentration of between about 0.1 to 10 g/l, or a surfactant in a concentration of between about 0.01 to 3 g/l.
    • 一种用于钛或钛合金的化学转化处理溶液,其包含浓度在约5-40g / l之间的氟离子,硝酸根离子与氟离子重量比在约0.005:1至0.2:1之间,硫酸根离子与氟化物 离子重量比在约0.02:1至0.5:1之间,至少一种选自Mg,Ca,Mn,Fe,Co,Ni,Zn和Mo的金属离子与氟离子的重量比约为0.02: 1至0.5:1,以及至少一种浓度为约0.1至2g / l的有机酸化合物,浓度为约0.1至10g / l的水溶性有机高聚物或 浓度在约0.01至3g / l之间的表面活性剂。