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[目的]研究镀液循环使用次数对化学镀Ni–P合金镀层关键性能的影响，为航空工业中化学镀镍工艺的循环化应用提供实验依据。[方法]以某市售高磷高耐蚀化学镀镍工艺为例，通过给定的化学分析和调整方法实现镀液的多次循环再生，研究不同循环次数下Ni–P合金镀层的沉积速率、耐蚀性、结合力及显微硬度，并依据航空行业标准HB/Z 5071—2004《化学镀镍工艺及质量检验》评估镀层性能。[结果]在有限的循环次数内，镀液循环使用对Ni–P合金镀层结合力、耐蚀性及沉积速率均无显著影响，各项性能仍满足工业应用要求。镀液循环使用5次时，镀态Ni–P合金镀层的显微硬度下降，但可通过热处理来恢复或提升。[结论]本研究为化学镀镍工艺在航空工业中的循环化应用提供了实验依据，具有一定的工程参考价值。
Abstract：[Objective] The effect of plating bath recycling cycles on the key properties of electrolessly plated Ni–P alloy coatings was studied, aiming to provide an experimental basis for the cyclic application of electroless nickel plating in aviation industry. [Method] Taking a commercially available high-phosphorus and high-corrosion resistant electroless nickel plating process as the example, multiple cycles of bath regeneration were carried out using the prescribed chemical analysis and adjustment methods detailed in the technical manual. The deposition rate, corrosion resistance, adhesion, and microhardness of Ni–P alloy coatings obtained from baths with different numbers of recycling cycles were studied. The coating properties were evaluated according to the aviation industry standard HB/Z 5071—2004 Process and Quality Inspection for Electroless Nickel Plating. [Result] Within a limited number of recycling cycle, bath recycling showed no significant influence on the adhesion, corrosion resistance, or deposition rate of Ni–P alloy coating, and all performance indicators still met industrial application requirements. After five recycling cycles, the microhardness of the as-plated Ni–P alloy coating was decreased, but it could be restored or even enhanced by heat treatment. [Conclusion] This research provides experimental support for the recyclable application of electroless nickel plating in aviation industry and has certain engineering reference value.
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基本信息:
DOI：10.19289/j.1004-227x.2026.05.005
中图分类号:TQ153.2
引用信息:
[1]王玉坤,李驰,李体军.镀液循环使用对化学镀镍-磷合金性能的影响[J].电镀与涂饰,2026,45(05):39-44.DOI:10.19289/j.1004-227x.2026.05.005.
2026-05-20
2026-05-20