| 锌-铁系蓝色磷化工艺参数对膜外观及耐蚀性能的影响 |
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| 引用本文： | 黄亚军,左禹,熊金平.锌-铁系蓝色磷化工艺参数对膜外观及耐蚀性能的影响[J].材料保护,2010,43(6). |
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| 作者姓名： | 黄亚军 左禹 熊金平 |
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| 作者单位： | 北京化工大学材料科学与工程学院,北京,100029;北京化工大学材料科学与工程学院,北京,100029;北京化工大学材料科学与工程学院,北京,100029 |
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| 摘 要： | 为了提高磷化膜的装饰效果,替代钢铁室温发蓝工艺,开发了一种能在室温下获得蓝色磷化膜的磷化工艺。用目测法和硫酸铜点滴试验研究了溶液pH值、温度、磷化时间等因素对磷化膜外观和耐蚀性的影响;用电化学法考察了蓝色磷化膜在3.5%NaCl溶液中的电化学行为,分别采用扫描电镜(SEM)和能谱仪(EDS)观察分析了蓝色磷化膜的微观形貌和组成成分。结果表明:在pH值2.5～3.0,温度23～31℃,时间15min条件下所获蓝色磷化膜有较好的耐蚀性,其耐硫酸铜点滴时间56s;能使Q235钢基体自腐蚀电位提高0.3V,并且使基体由阳极活性溶解态转变成钝化态。
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| 关 键 词： | 锌-铁系磷化 蓝色膜 工艺参数 耐蚀性能 |
Effect of Blue Phosphating Parameters of Zn-Fe Series on Appearance and Corrosion Resistance of Phosphating Coatings |
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| HUANG Ya-jun,ZUO Yu,XIONG Jin-ping.Effect of Blue Phosphating Parameters of Zn-Fe Series on Appearance and Corrosion Resistance of Phosphating Coatings[J].Journal of Materials Protection,2010,43(6). |
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| Authors: | HUANG Ya-jun ZUO Yu XIONG Jin-ping |
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| Affiliation: | HUANG Ya-jun,ZUO Yu,XIONG Jin-ping(College of Materi-als Science , Engineering,Beijing University of Chemical Technology,Beijing 100029,China) |
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| Abstract: | In order to improve the decorative effect of phosphating coatings and find substitutes for oxidation technology of steel at room temperature,a new phosphating process was de-veloped,which could be used to obtain blue phosphating coating on the surface of steel.The influences of pH value,temperature of phosphating solution and phosphating time on the appearance and corrosion resistance of phosphating coating were studied by eye examinations and copper sulfate dropping tests.Electrochemi-cal behavior of the b... |
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| Keywords: | phosphating of Zn-Fe series blue coating techno-logical parameters corrosion resistance |
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