Bao Shengjun*,Han Xilong.Study of chemical Ni-P plating technology on bridge bearing spherical calotte[J].Plating & Finishing,2024,(9):64-68.[doi:doi: 10.3969/j.issn.1001-3849.2024.09.009]
桥梁支座球冠衬板化学镀镍磷工艺研究
- Title:
- Study of chemical Ni-P plating technology on bridge bearing spherical calotte
- Keywords:
- chemical Ni-P plating; heat treatment; roughness; hardness; thickness; corrosion resistance
- 分类号:
- TG174.4
- 文献标志码:
- A
- 摘要:
- 主要研究了桥梁支座球冠衬板不同的化学镀镍磷工艺路线，结果表明当基材粗糙度Ra≤0.12 μm、磷含量12%、施镀4 h后进行钝化处理为球冠衬板最优的工艺路线，同时发现不同热处理工艺和基材粗糙度对化学镀镍磷镀层硬度、耐蚀性都有影响，当热处理温度为200 ℃时，镀层硬度有少许增加，耐蚀性能无变化；当热处理温度为360 ℃时，镀层硬度明显增加，耐蚀性能下降明显，基材粗糙度Ra≥1.6时,镀层耐蚀性能下降明显。
- Abstract:
- Mainly studied different chemical Ni-P plating process routes on bridge bearing spherical calotte. The results show that when the roughness of base materials Ra≤0.12 μm, P content is 12%, plating time is 4 h, the process route is the best rout, and different heat treatment process and roughness of base material would affect chemical Ni-P plating’s hardness, corrosion resistance and thickness measurement. When heat treatment temperature is 200 ℃, plating become more harder slightly, corrosion resistance no change. When heat treatment temperature is 360 ℃, plating become more harder obviously. Corrosion resistance become more worse obviously. When roughness of base materials Ra≥1.6, corrosion resistance become more worse obviously
参考文献/References:
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[2].全国金属与非金属覆盖层标准化技术委员会. GB/T13913—2008 金属覆盖层 化学镀镍-磷合金镀层规范和试验方法[S]. 北京: 中国标准出版社, 2008.
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