主要研究并分析了不同工艺下的锌-镍合金镀层及不同厚度镀层的防腐性能.结果表明,不同工艺防腐性能优劣顺序为:电镀+钝化+封闭＞电镀+钝化＞电镀+封闭＞电镀,随厚度增加,镀层防腐性能提高,δ为8～ 12μm的锌-镍合金镀层在保证生产效率的前提下,具有良好的防腐性能,且产品具有良好的粘合性能.
Anti-corrosion performance of different processes and thickness of Zn-Ni alloy coatings were researched and analyzed.Results showed that the anti-corrosion performances order of the different processes,in accordance with their pros and cons,was as following:electroplating + passivation + sealing ＞ electroplating + passivation ＞ electroplating + sealing ＞ electroplating,and the anti-corrosion performance would increase with the thickness increasing.On premise of ensuring production efficiency,the Zn-Ni alloy coating with 8 ～12 μm thickness had good anti-corrosion performance,and the product had good adhesion performance.
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