引用本文:朱立群,丁学谊,刘孟兰,王建华.化学镀Ni-P合金层表面涂覆溶胶-凝胶的研究[J].中国表面工程,1999,(1):29~31,36
.A Study on Ni-P Electroless Plating Layer With Sol-Gel Coating[J].China Surface Engineering,1999,(1):29~31,36
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化学镀Ni-P合金层表面涂覆溶胶-凝胶的研究
朱立群,丁学谊,刘孟兰,王建华
作者单位
摘要:
在化学镀非晶态Ｎｉ－Ｐ合金镀层表面涂覆溶胶－凝胶涂层，用来封闭镀层表面沉积过程中产生的针孔等缺陷，经过溶胶－凝胶涂层耐浓硝酸试验、５％ＮａＣｌ盐水浸渍试验，以及溶胶－凝胶涂层抗高温氧化性试验，得出结论：在化学镀Ｎｉ－Ｐ合金镀层表面涂覆溶胶－凝胶涂层，可以明显提高化学镀Ｎｉ－Ｐ合金镀层在硝酸、５％ＮａＣｌ盐水中的耐蚀性；在 ５００℃高温下，经过 １５０ｈ氧化处理，表面涂覆溶胶－凝胶涂层的抗高温氧化性可提高 ４倍。
关键词:  化学镀,耐蚀性,溶胶-凝胶
DOI：
分类号:TG17
基金项目:
A Study on Ni-P Electroless Plating Layer With Sol-Gel Coating
Zhu Liqun  Ding Xueyi  Liu Menglan  Wang Jianhua
Abstract:
The authors applied the amorphous Ni-P electroless plating layer with Sol-Gel coating to seal the pin-holes defect usually occurred in the depositon process, in order to increase its corrosion-resistance and ability to resist the high temperature oxidation. The experiments showed that the plating layer with additional Sol-Gel coating can improve the corrosion-resistance of the former in nitric acid and 5% NaCl solution, and its high temperature oxidation-resistance can be increased 4 times after 150h oxidation treatment at 500C.
Key words:  Electroless plating, Corrosionresistance, Sol-Gel coating.
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