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[1]李孝坤 *,闫 凯,刘 忻.工艺参数对钕铁硼化学镀Ni-Mo-P/PTFE复合镀层耐蚀性的影响[J].电镀与精饰,2022,(3):35-39.[doi:10.3969/j.issn.1001-3849.2022.03.007]
　LI Xiaokun *,YAN Kai,LIU Xin.Influence of Process Parameters on Corrosion Resistance of Ni-Mo-P/PTFE Composite Coatings Electroless Plated on NdFeB[J].Plating & Finishing,2022,(3):35-39.[doi:10.3969/j.issn.1001-3849.2022.03.007]
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工艺参数对钕铁硼化学镀Ni-Mo-P/PTFE复合镀层耐蚀性的影响

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2022年3 页码: 35-39 栏目: 出版日期: 2022-03-01
Title:
Influence of Process Parameters on Corrosion Resistance of Ni-Mo-P/PTFE Composite Coatings Electroless Plated on NdFeB
作者:
李孝坤1 2*;  闫 凯1 2;  刘 忻3
（1.黄河水利职业技术学院，河南 开封 475004； 2.河南省绿色涂层材料工程技术研究中心，河南 开封 475004； 3.苏州科技大学，江苏 苏州 215009）
Author(s):
LI Xiaokun 1 2* ; YAN Kai 1 2 ;  LIU Xin 3
( 1.Yellow River Conservancy Technical Institute Kaifeng 475004 China 2.Henan Engineering Technology Research Center of Green Coating Materials Kaifeng 475004 China 3.Suzhou University of Science and Technology Suzhou 215009 China )
关键词:
工艺参数;  Ni-Mo-P/PTFE 复合镀层; 化学镀; 钕铁硼; 耐蚀性
Keywords:
process parameters;  Ni-Mo-P/PTFE composite coating;  electroless plating;  NdFeB;  corrosion resistance
分类号:
TQ153
DOI:
10.3969/j.issn.1001-3849.2022.03.007
文献标志码:
A
摘要:
采用化学镀方法在钕铁硼表面制备 Ni - Mo - P/PTFE 复合镀层，并运用正交实验法考察 PTFE 乳液浓度、镀液温度、化学镀时间和搅拌速率对 Ni - Mo - P/PTFE 复合镀层腐蚀速率的影响。结果表明： Ni - Mo - P/PTFE 复合镀层的腐蚀速率随着镀液温度升高、 PTFE 乳液浓度增加和搅拌速率提高都呈先减小后增大的趋势，而随着化学镀时间延长呈持续减小趋势。最优工艺参数为：镀液温度 90 ℃ 、 PTFE 乳液浓度 10 mL/L 、化学镀时间 110 min 、搅拌速度 180 r/min ，镀液温度对 Ni - Mo - P/PTFE 复合镀层的腐蚀速率影响程度最大。采用最优工艺参数制备的 Ni - Mo - P/PTFE 复合镀层腐蚀速率更低，约为 3.75 mg·cm -2 ·h -1 ，容抗弧半径增大且在 10 -2 Hz 处的阻抗值由 8500 Ω ·cm 2 增大到 10500 Ω ·cm 2 左右，其耐蚀性明显好于非最优工艺参数制备的 Ni - Mo - P/PTFE 复合镀层。
Abstract:
： Ni - Mo - P/PTFE composite coating was prepared on the surface of NdFeB by electroless plating ， and the influence of PTFE emulsion concentration ， bath temperature ， electroless plating time and stirring rate on the corrosion rate of Ni - Mo - P/PTFE composite coating was investigated by orthogonal experiment. The results showed that the corrosion rate of Ni - Mo - P/PTFE composite coating decreased first and then increased with the rise of bath temperature ， the increase of PTFE emulsion concentration and stirring rate ， while it show a continuous decreasing trend with the extension of electroless plating time. The optimal process parameters were as follows ： bath temperature 90 ℃ ， PTFE emulsion concentration 10 mL/L ， electroless plating time 110 min ， stirring rate 180 r/min ， and the influence degree of bath temperature on the corrosion rate of Ni - Mo - P/PTFE composite coating was the greatest. The corrosion rate of the Ni - Mo - P/PTFE composite coating prepared by optimal process parameters was lower ， which was about 3.75 mg·cm -2 ·h -1 . The arc radius of capacitive reactance was increased and the impedance value at 10 -2 Hz increased from 8500 Ω ·cm 2 to about 10500 Ω ·cm 2 ， indicating that the corrosion resistance of the Ni - Mo - P/PTFE composite coating prepared by optimal process parameters was better than that of the Ni - Mo - P/PTFE composite coating prepared with non-optimal process parameters.

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备注/Memo

收稿日期： 2021-06-12 修回日期： 2021-07-28 * 通信作者： 李孝坤（ 1982 －）男，硕士，讲师，主要研究方向：腐蚀与防护、化学分析检测等， E-mail ： li_kaifeng004@163.com 基金项目： 河南省高等学校重点科研项目计划（ 20A530004 ）、开封市科技攻关计划项目（ 1901021 ）

更新日期/Last Update: 2022-03-11