| QIAO Ying-ming,GAN Chun-lei,QU Ying-dong,WANG Shun-cheng,QU Yan-ping.Effect of Technological Parameters on Electroless Nickel Plating of Continuous Carbon Fiber Surface with Electromagnetic Stirring[J],49(5):325-334 |
| Effect of Technological Parameters on Electroless Nickel Plating of Continuous Carbon Fiber Surface with Electromagnetic Stirring |
| Received:October 25, 2019 Revised:May 20, 2020 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2020.05.039 |
| KeyWord:continuous carbon fibers electroless nickel plating electromagnetic stirring deposition rate coating morphology |
| Author | Institution |
| QIAO Ying-ming |
1.Shenyang University of Technology, Shenyang , China; 2.Guangdong Institute of Materials and Processing, Guangzhou , China |
| GAN Chun-lei |
2.Guangdong Institute of Materials and Processing, Guangzhou , China |
| QU Ying-dong |
1.Shenyang University of Technology, Shenyang , China |
| WANG Shun-cheng |
2.Guangdong Institute of Materials and Processing, Guangzhou , China |
| QU Yan-ping |
1.Shenyang University of Technology, Shenyang , China |
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| Abstract: |
| The work aims to solve the problem that continuous carbon fibers are prone to black core during plating and cannot be completely immersed in plating bath, so as to prepare uniform nickel coating on continuous carbon fibers surface. Electroless nickel plating was conducted on continuous carbon fibers with electromagnetic stirring. The effects of plating time, bath temperature, bath pH and electromagnetic stirring speed on the surface morphology and deposition rate of continuous carbon fibers were studied. When stirring speed was constant, with the increase of plating time, bath temperature, and bath pH value, the carbon fiber surface coating became uniform and complete gradually, and the coating thickness increased gradually; but when the plating time exceeded 20 minutes, the bath temperature exceeded 75 ℃, and the bath pH value exceeded 8, a large number of cellular nickel particles with different shapes were deposited on the coating surface, and then a rough surface morphology was formed. The deposition rate of the coating increased with the increase of bath temperature and bath pH. When the stirring speed increased from 200 r/min to 300 r/min, the deposition rate of the coating increased with the increase of stirring speed. However, when the stirring speed increased from 300 r/min to 400 r/min, the deposition rate of the coating decreased with the increase of the stirring speed. The optimum process parameters of electroless nickel plating on continuous carbon fibers surface with electromagnetic stirring are plating time of 15 to 20 minutes, bath temperature of 75 ℃, bath pH value of 8, and stirring speed of 200~250 r/min. The nickel coating obtained under the optimum technological conditions is compact, uniform and complete. |
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