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清洁型常温锌钡系磷化液研究

New Technology & New Process(2008)

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Abstract
通过正交试验法研制了一种磷化后工件免水洗的清洁型常温锌钡系磷化液。考查了磷化温度、磷化时间、磷化液pH值及寿命等对磷化质量的影响。结果表明,该磷化液可在室温下使用,耐蚀时间达100s以上,膜晶粒尺寸≤2μm,膜连续、致密,膜重约1.2g/m2,耐3%的NaCl溶液腐蚀约3.0h。
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Key words
non-washing,room temperature,Zn-Ba system phosphate
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