电流密度对G105钻杆用钢Ni-P合金镀层的影响  

Influence of Current Density on Electrodeposited Ni-P Alloy Coating for G105 Drill Pipe Steel

作　　者：陈孝文[1] 唐瑜[1] 李仁仆 张德芬[1] 李婷[1] 张程[1] 雷林[1] 岳蕤琳 王志杰[1] 方永建[1] 

机构地区：[1]西南石油大学材料科学与工程学院,四川成都610500

出　　处：《电镀与精饰》2017年第1期6-10,共5页Plating & Finishing

基　　金：油气藏地质及开发工程重点实验室开放基金课题(PLN1416);油气田材料重点实验室开放基金(X151516KCL30)

摘　　要：在G105钻杆用钢表面制备了Jκ为3~7 A/dm^2范围内的Ni-P合金镀层。采用极化曲线、结合力、耐磨性、硬度及厚度测试等手段研究了G105钻杆用钢表面电沉积Ni-P合金镀层的耐蚀性、厚度、结合力、耐磨性和硬度等,并利用X-射线衍射对镀层的结构进行了分析。结果表明,在其他电沉积条件相同的情况下,改变电流密度,得到的Ni-P合金镀层的性能也不相同。当Jκ为6 A/dm^2时,镀层的综合性能指标达到最佳。X-射线衍射分析表明,镀层为非晶态合金。Ni-P alloy coating was prepared under the current density of 3 - 7 A/dm^2 on G105 drill pipe steel surface. Corrosion resistance,thickness,binding force,wear resistance and hardness of the electrodeposited Ni-P alloy coating on G105 drill pipe steel were studied through corresponding test methods,and the coating structure was analyzed by X ray diffraction. Results showed that change of the current density could affect the performance of Ni-P alloy coatings when the other electroplating parameters unchanged.Under this experimental condition,when the current density was 6 A/dm^2,comprehensive performance of the coating was the best. X-ray diffraction（XRD） analysis showed that the coating was amorphous alloy.

关 键 词：G105钻杆用钢 NI-P合金镀层 电流密度 结构 性能 

分 类 号：TQ153.2[化学工程—电化学工业]