[1]刘明轩,李 岩.doi: 10.3969/j.issn.1001-3849.2025.06.007DD5镍基高温合金镀铂工艺的研究[J].电镀与精饰,2025,(06):44-52.
　Liu Mingxuan,Li Yan.Study on platinum plating technology of DD5 nickel-based superalloy[J].Plating & Finishing,2025,(06):44-52.
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doi: 10.3969/j.issn.1001-3849.2025.06.007DD5镍基高温合金镀铂工艺的研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年06
页码:
44-52
栏目:
出版日期:
2025-06-30

文章信息/Info

Title:
Study on platinum plating technology of DD5 nickel-based superalloy
作者:
刘明轩; 李 岩
(内蒙古科技大学 稀土产业学院,内蒙古 包头 014000)
Author(s):
Liu Mingxuan;  Li Yan
(School of Rare Earth Industry, Inner Mongolia University of Science and Technology, Baotou 014000, China)
关键词:
电沉积铂; 镀层性能; 工艺条件; 结合力
Keywords:
electrodeposited platinum;  coating properties;  process conditions;  binding force
分类号:
TQ153.2
文献标志码:
A
摘要:
采用电镀技术在DD5镍基高温合金基底上沉积了铂(Pt)镀层，分析了电镀时间、电流密度、电镀温度、pH对镀层微观形貌和表面质量的影响。运用扫描电镜分析了Pt涂层的截面形貌和表面形貌；采用X射线衍射仪分析了镀层微应变大小；通过百格划法检测了Pt镀层的结合力。结果表明：在PtCl2、KCl和C5h8NNaO4的含量分别为8、100和0.18 g/L，电镀时间在1.5 h、温度为45 ℃、电流密度为0.8 A/dm2、pH在1.5时，可以电镀8 μm的镀层，此时的镀层结合力良好。通过扫描电镜、X射线衍射仪等对镀层进行表征发现，所得到的镀层微应变小，结构致密，表面平整。研究结果为镍基高温合金的铂镀层的研制提供了一定的实验与理论依据。
Abstract:
By means of the electroplating process，a Pt coating was created on the surface of DD5 nickel-based superalloy. The effects of pH value, electroplating temperature, current density and electroplating time on the coating’s surface quality and microstructure were analyzed. The cross-sectional and surface morphology of the Pt coating were studied by a scanning electron microscope; the coating stress was analyzed by an X-ray diffractometer; the adhesion of the Pt coating was tested by the grid scratching method. The experimental results demonstrate that under the temperature of 45 ℃, current density of 0.8 A/dm2, pH of 1.5, the coating thickness of 8 μm can be attained with a plating solution containing 8 g/L PtCl 2, 100 g/L KCl and 0.18 g/L C 5h8NNaO4 at an electroplating time of 1.5 h. At this condition, the coating exhibits good adhesion, low internal stress, a dense structure, and a smooth surface. Both the theoretical and experimental basis for the development of platinum coatings on nickel-based superalloys are given by these results.

参考文献/References:

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更新日期/Last Update: 2025-06-18