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Abstract

The effect of additive Ce4+ on the properties of composite coating of Co-P-PTFE was studied in this paper.The results show that additive Ce(4+) can change the structures and properties of Co-P-PTFE composite coating. First,the surface of the compoite coating becomes smooth and the microhardness of the composite coating increased.Secondly,additive Ce(4+) decreased the corrosion current lcorr of the composite coating in the solution of 3% NaCl and increased its property of anticorrosion.Finally additive Ce(4+) can affect preferred orientation and grain size of composite coating of Co-P-PTFE. Preferred orientation of the composite varies from(100)to(110)and the grain size decreased.

Keywords

Rare earth, Compeite coating, Corrosion

Publication Date

1996-08-28

Online Available Date

1996-08-28

Revised Date

1996-08-28

Received Date

1996-08-28

References

1郭忠诚,李天培.稀土在Ni-P和Ni-B基化学复合镀中的应用。材料保护,1993,26(5):192P.R.Ebdon.TheperformaneeofelectrolessNickel/PTFEcomposites.PlatingandSurfaceFinishing,1988,75(9):653TangJiaoning,YaoShibing,ZhouShaominXieYoubei.Electrolesscopper/PTFEcompositecoating.TranactionofInstituteMetalFinishing,1995,73(4):1294汤皎宁,谢友柏,董光能.化学沉积Co-P-PTFE复合镀层的研究。润滑与密封,1994,6:275杨防阻,许家园,谢兆雄.许书楷,周绍民。添加剂的吸附行为及其对Ni沉积层性能的影响.物理化学学报,1995,11(3):2236分析化学手册,第三册.化学工业出版社,1989:115

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