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[1]刘 鑫,韦刘益,付海霞,等.紫铜表面Ni-Mo-P三元合金镀层工艺的优化及耐蚀性能研究[J].武汉工程大学学报,2024,46(06):599-605.[doi:10.19843/j.cnki.CN42-1779/TQ.202404023]
 LIU Xin,WEI Liuyi,FU Haixia,et al.Optimization of process parameters of electroless Ni-Mo-P ternary alloycoating on red copper substrates and its corrosion resistance [J].Journal of Wuhan Institute of Technology,2024,46(06):599-605.[doi:10.19843/j.cnki.CN42-1779/TQ.202404023]
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紫铜表面Ni-Mo-P三元合金镀层工艺的
优化及耐蚀性能研究
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
46
期数:
2024年06期
页码:
599-605
栏目:
化学与化学工程
出版日期:
2024-12-31

文章信息/Info

Title:
Optimization of process parameters of electroless Ni-Mo-P ternary alloy
coating on red copper substrates and its corrosion resistance
文章编号:
1674 - 2869(2024)06 - 0599 - 07
作者:
刘 鑫1韦刘益1付海霞1袁 军*1曾 婷*12陈斯淮1
1. 武汉工程大学化学与环境工程学院,绿色化工过程教育部重点实验室(武汉工程大学),
湖北 武汉 430205;2. 南开大学先进能源材料化学教育部重点实验室,天津 300071
Author(s):
LIU Xin1 WEI Liuyi1 FU Haixia1 YUAN Jun*1 ZENG Ting*12 CHEN Sihuai1
1. School of Chemistry and Environmental Engineering, Key Laboratory for Green Chemical Process of Ministry of Education (Wuhan Institute of Technology), Wuhan 430205, China
2. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education),Nankai University, Tianjin 300071, China

关键词:
化学镀Ni-Mo-P合金镀层耐蚀性腐蚀机理
Keywords:
electroless plating Ni-Mo-P alloy coating corrosion resistance corrosion mechanism
分类号:
TQ153.2
DOI:
10.19843/j.cnki.CN42-1779/TQ.202404023
文献标志码:
A
摘要:
为探究工艺参数对紫铜基底化学镀Ni-Mo-P三元合金镀层耐蚀性的影响,采用单因素变量法,通过改变镀液pH值、Na2MoO4·2H2O浓度和施镀温度,以质量分数3.5% NaCl溶液中的电化学测试结果为衡量指标,确定Ni-Mo-P三元合金镀层最优的化学镀液配方和工艺参数。对该条件下镀层进行微观结构和元素组成分析,进一步探究了其耐腐蚀机理最优镀液配方和工艺参数,结果为: NiSO4·6H2O 27 g/L,NaH2PO2·H2O 20 g/L,纳米复合添加剂30 g/L,Na2MoO4·2H2O 4 g/L,SDBS 0.008 g/L,pH = 9.0,温度90 ℃。在该条件下Ni-Mo-P三元合金镀层具有优异的耐腐蚀性,表面平整致密,以及良好的疏水性。镀层表面元素分布均匀,但Mo的含量增多导致P的含量下降,使其非晶态特征减弱。本研究中Ni-Mo-P三元合金镀层工艺为在紫铜表面制备优异耐蚀性能的多元镀层提供了新的思路。

Abstract:
To determine the effects of process parameters on corrosion resistance of electroless Ni-Mo-P ternary alloy coating on red copper substrates, a single factor variable method was implemented by altering the pH value of the plating solution, the concentration of Na2MoO4·2H2O and the plating temperature. Electrochemical test results in a NaCl mass fraction of 3.5% solution were used to determine the optimal chemical plating conditions. Additionally, the microstructure, element composition, and corrosion resistance mechanism of the coating obtained under these conditions were investigated. Results show that an appropriate bath condition and process parameters are as follows: NiSO4·6H2O of 27 g/L, NaH2PO2·H2O of 20 g/L, composite additives of 30 g/L, Na2MoO4·2H2O of 4 g/L, SDBS of 0.008 g/L, pH = 9.0, and the plating temperature is 90 ℃. It is under these conditions that the Ni-Mo-P ternary alloy coatings exhibit excellent corrosion resistance, a smooth and compact surface, and good hydrophobicity. A uniform distribution of elements is observed on the surface of the coating, but an increase in Mo content causes a decrease in P content, thereby weakening its amorphous characteristics. The electroless Ni-Mo-P ternary alloy coating process presented in this study offers a new method for preparing multi-component coatings with good corrosion resistance.

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备注/Memo

备注/Memo:
收稿日期:2024-04-10
基金项目:国家自然科学基金(22103058);南开大学重点实验室开放基金
作者简介:刘 鑫,硕士研究生。Email:[email protected]
*通信作者:曾 婷,博士,讲师。Email:[email protected]
袁 军,硕士,教授。Email:[email protected]
引文格式:刘鑫,韦刘益,付海霞,等. 紫铜表面Ni-Mo-P三元合金镀层工艺的优化及耐蚀性能研究[J]. 武汉工程大学学报,2024,46(6):599-605.
更新日期/Last Update: 2024-12-30