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[1]陈 力*,郑 辉,刘东岳,等.镁合金表面锌系磷化膜及硅酸盐封闭工艺与性能[J].电镀与精饰,2022,(3):1-6.[doi:10.3969/j.issn.1001-3849.2022.03.001]
　CHEN Li *,ZHENG Hui,LIU Dongyue,et al.Preparation and Properties of Zinc Phosphating Film with Silicate Sealing on Surface of Magnesium Alloy[J].Plating & Finishing,2022,(3):1-6.[doi:10.3969/j.issn.1001-3849.2022.03.001]
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镁合金表面锌系磷化膜及硅酸盐封闭工艺与性能

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2022年3 页码: 1-6 栏目: 出版日期: 2022-03-01
Title:
Preparation and Properties of Zinc Phosphating Film with Silicate Sealing on Surface of Magnesium Alloy
作者:
陈 力1*;  郑 辉1;  刘东岳1;  张鉴达2
（1.石家庄职业技术学院，河北 石家庄 050000； 2.河北师范大学，河北 石家庄 050000）
Author(s):
CHEN Li 1* ; ZHENG Hui 1; LIU Dongyue 1 ; ZHANG Jianda 2
( 1.Shijiazhuang Vocational and Technical College Shijiazhuang 050000 China 2.Hebei Normal University Shijiazhuang 050000 China )
关键词:
锌系磷化膜; 镁合金; 浸油封闭; 铬酸盐封闭; 硅酸盐封闭
Keywords:
zinc phosphating film;  aluminium alloy;  oil-immersed sealing;  chromate sealing;  silicate sealing
分类号:
TB43
DOI:
10.3969/j.issn.1001-3849.2022.03.001
文献标志码:
A
摘要:
为提高镁合金的耐蚀性能，在镁合金表面制备锌系磷化膜，并对磷化膜进行封闭。比较了未封闭磷化膜、浸油封闭磷化膜、铬酸盐封闭磷化膜和硅酸盐封闭磷化膜的表面形貌、元素组成、厚度和耐蚀性能，结果表明：浸油封闭、铬酸盐封闭和硅酸盐封闭对镁合金表面磷化膜的厚度基本没有影响，但封闭前后磷化膜的表面形貌和元素组成有所不同。 Cr 、 Na 和 Si 元素分别通过形成化学转化膜、胶体状膜或物理填充孔隙被引入封闭后磷化膜中。硅酸盐封闭磷化膜的致密性相对较好，使镁合金的耐蚀性能得到有效提高。在铬酸盐封闭逐渐被弃用的趋势下，效果较好并且低污染环保的硅酸盐封闭在磷化膜封闭中具有应用潜力。
Abstract:
： In order to improve the corrosion resistance of magnesium alloy ， zinc phosphating film was prepared on the surface of magnesium alloy ， and then the phosphating film was sealed. The surface morphology ， elemental composition ， thickness and corrosion resistance of unsealed phosphating films ， oil-immersed sealed phosphating film ， chromate sealed phosphating film and silicate sealed phosphating film were investigated. The results showed that oil-immersed sealing ， chromate sealing and silicate sealing have little effect on the thickness of phosphating film on surface of magnesium alloy ， but the surface morphology and elemental composition of phosphating film were different before and after sealing. Cr ， Na and Si elements were introduced into the sealed phosphating film by forming chemical conversion film ， colloidal film or physically filled pore ， respectively. The silicate sealed phosphating film has relatively good compactness ， which can improve the corrosion resistance of magnesium alloy effectively. With the gradual abandonment of chromate sealing ， silicate sealing which has the characteristics of good effect and low pollution and environmental protection has potential application in phosphating film sealing.

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备注/Memo

收稿日期： 2021-03-15 修回日期： 2021-05-14 作者简介： 陈力（ 1972 —），硕士，高级工程师，研究方向：化工工艺、材料工程等， E-mail ： chen_education00@163.com 基金项目： 河北省高等学校科学技术研究项目（ Z2019033 ）

更新日期/Last Update: 2022-03-11