微量元素对镀锌层微观结构的影响

材料科学与工艺, 2001, 9(1): 88-90. doi: 10.3969/j.issn.1005-0299.2001.01.021

微量元素对镀锌层微观结构的影响

李宁 ^1, , 线恒泽 ^2, , 黎德育 ^3, , 何局化 ^4,

1.哈尔滨工业大学应用化学系,

2.哈尔滨工业大学测试中心,

3.哈尔滨工业大学应用化学系,

4.哈尔滨工业大学应用化学系,

关键词：硫酸盐镀锌 , 金属杂质 , 外观 , 耐蚀性 , 择优取向

Effect of trace elements on zinc deposit microstructure

研究了硫酸盐镀锌液中常见金属微量元素离子Pb2+、Cu2+、In3+、Ag+、Fe2+对沉积层的外观形貌、显微组织、结晶择优取向和耐蚀性的影响．研究表明：不同的杂质对镀层的外观、显微组织以及晶面的择优取向的影响不同；铅离子的引入降低了镀层的外观质量和(002)晶面的强度，铟离子的引入使镀层的外观质量和(002)晶面的强度均得到提高，起到了无机光亮剂的作用．

The effects of trace elements of common metal impurities Pb2 +, Cu2 +, In3 +, Ag + and Fe2 + in highspeed galvanization sulphate bath on the morphology、 microscopic structure and perfect crystal orientation ofzinc coating are studied. It is found that the intensities of (002) plane decrease with the addition of Pb, butincrease greatly with the addition of In. Indium in this bath plays a role of brighter.

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