Cu~(2+)浓度对Ni-Cu-P化学镀层耐蚀性能的影响
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摘要
为提高镀件的耐蚀性,采用化学沉积的方法在Q235B钢样沉积Ni-Cu-P镀层。利用维氏硬度仪、SEM、EDS及Autolab电化学工作站分析了Cu~(2+)浓度对Ni-Cu-P合金镀层成分、微观形貌及耐蚀性的影响。结果表明:CuSO_4浓度在0. 4 g/L左右时,Ni-Cu-P合金镀层的耐蚀性最好。
In order to improve the corrosion resistance of the plating, Ni-Cu-P coating is prepaired on Q235B steel sample by using the chemical deposition method. The effects of Cu~(2+) concentration on the composition, microstructure and corrosion resistance of Ni-Cu-P alloy coating were studied by Vickers hardness tester, SEM, EDS and Autolab electrochemical workstation. The results show that when the concentration of CuSO_4 is about 0.4 g/L, the corrosion resistance of Ni-Cu-P alloy coating is the best.
In order to improve the corrosion resistance of the plating, Ni-Cu-P coating is prepaired on Q235B steel sample by using the chemical deposition method. The effects of Cu~(2+) concentration on the composition, microstructure and corrosion resistance of Ni-Cu-P alloy coating were studied by Vickers hardness tester, SEM, EDS and Autolab electrochemical workstation. The results show that when the concentration of CuSO_4 is about 0.4 g/L, the corrosion resistance of Ni-Cu-P alloy coating is the best.
引文
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[2] Lee Cheng-Kuo. Electroless Ni-Cu-P/nano-graphite compositecoatings for bipolar plates of proton exchange membrane fuelcells[J].Journal of Power Sources,2012,220:130-137.
[3]黄晖,富阳,刘艳华,等.化学镀层对工业锅炉腐蚀防护的可行性研究[J].电镀与环保,2014,34(6):40.
[4]梁耀升,刘飞华,费克勋.化学镀Ni-Cu-P工艺的研究[J].电镀与环保,2013(4):17-19.
[5]刘丽,张维洪,杨惟翔,等.超声波对铝合金表面化学镀Ni-Cu-P层性能的影响[J].材料保护,2015(11):18-20.
[6]崔绍波.碱性化学镀Ni-Cu-P工艺研究[J].辽宁科技学院学报,2016(3):3-4.
[7]王丹丹,李均明,蔡辉,等.Ni-P多元合金及复合化学镀层的研究进展[J].材料导报,2013(19):90-92.
[8] Badawy Waheed A, Fadl-Allah Sahar A, Fathi Ahlam M.Influence of Ni-Cu-P deposits on the surface characteristics ofanodized Al, Al2014 and Al7075[J]. Zeitschrift forPhysikalische Chemie-International Journal of Research inPhysical Chemistry&Chemical Physics,2016,230(1):35-50.
[9]徐旭仲,赵丹,万德成,等.钢铁表面化学镀的研究进展[J].电镀与精饰,2016(3):27-32.
[10]刘贵昌,黄宗响,王立达,等.稀土Ce4+对镍铜磷化学镀层性能的影响[J].材料保护,2012(12):4-7.
[11]郑智,李雨,刘定富.硫酸铈与硫酸铜对化学镀镍的影响[J].电镀与环保,2016(1):27-30.
[12] Roy S, Sahoo P.Optimization of wear of electroless Ni-Cu-Pcoating using artificial bee colony algorithm[J].ScienceDirect,2014,14:320-327.
[13]肖鑫,许律,李德,等.钢铁件化学镀Ni-Cu-P合金工艺研究[J].腐蚀科学与防护技术,2012(4):337-341.
[14] Sahoo P,Das S K.Tribology of electroless nickel coatings-Areview[J].Materials and Design,2011,32:1760-1775.
[15]方信贤.化学镀Ni-P和Ni-Cu-P合金耐蚀性研究[J].腐蚀科学与防护技术,2010(2):109-112.
[16]梁平,史艳华.Ni-Cu-P化学镀层的腐蚀行为[J].材料保护,2012(3):8-10.