以Ni-Fe-P合金镀层为对象,研究了电流密度及热处理温度对镀层的硬度、耐磨性、表面形貌、抗盐雾性能及电化学腐蚀行为的影响.结果表明,当Jκ为5 A/dm2时,镀层显微硬度最大,达787 HV;当.Jκ为3～4 A/dm2时,磨损量较小;当Jκ为6 A/dm2时,镀层的摩擦系数较小;综合盐雾试验和极化曲线可知,当.Jκ为2～4 A/dm2时,耐蚀性较好.未热处理时,镀层微观形貌呈现胞状物,450℃热处理后,镀层胞状物消失,出现菜花状晶粒,硬度和耐蚀性较好;当热处理θ为150℃时,镀层的磨损量最低,外观为光亮的银白色.
参考文献
| [1] | Zhou Qing-Jun;Zhac Jian-Qiang;Nie Fei et al.The effect of hydrogen on friction and wear of Ni-P elecuoless coating[J].WEAR,2009,266(7-8):810-813. |
| [2] | Tsutomu Morikawa;Takuo Nakode;Masayuki Yokoi et al.Electrodeposition of Ni-P alloys from Ni-citrate bath[J].Electrochimica Acta,1997,42(1):115-118. |
| [3] | 王继荫;单国友 .电沉积非晶态Ni-P合金的腐蚀行为[J].中国腐蚀与防护学报,1998,8(3):240-246. |
| [4] | Ivo Paseka .Hydrogen evolution reaction on Ni-P alloys: The internal stress and the activities of electrodes[J].Electrochimica Acta,2008(13):4537-4543. |
| [5] | 高诚辉 .电镀Ni-Fe-P合金硬度控制[J].电镀与环保,1997,17(3):3-5. |
| [6] | XUE Ru-jun,WU Yu-cheng.Mechanism and Microstructure of Electroless Ni-Fe-P Plating on CNTs[J].中国矿业大学学报（英文版）,2007(03):424-427. |
| [7] | Zhen-guo An;Jing-jie Zhang;Shun-long Pan .Fabrication Of Glass/ni-fe-p Ternary Alloy Core/shell Composite Hollow Microspheres Through A Modified Electroless Plating Process[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2008(5P1):2219-2224. |
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