不同合金钢材料化学镀Ni-P合金

腐蚀科学与防护技术, 2008, 20(5): 381-383.

不同合金钢材料化学镀Ni-P合金

郝龙穆旻皓易田李锐陈志量林安甘复兴

1.1武汉大学资源与环境科学学院环境工程系

430079. 430079

2. 2 金属腐蚀与防护国家重点实验室

辽宁沈阳 110016

Wuhan University

Shenyang 110016

关键词：合金钢 , electroless plating , Ni-P alloy , anti-corrosion ability

ELECTROLESS Ni-P COATING ON DIFFERENT ALLOY STEELS

HAO Long

Keywords： alloy steel , 化学镀 , Ni-P合金 , 耐蚀性

在不同合金钢材料表面成功制备了化学镀Ni-P合金层.形貌与结构分析表明，化学镀Ni-P合金层表面均匀、致密，结构为非晶形和一些微晶；热震试验表明镀层与基体的结合力良好；浓HNO₃试验和3.5 mass%NaCl溶液浸泡试验表明镀层的腐蚀速率远低于基体材料，能对基体合金钢起到防护作用.

In this paper,study on the morphology and microstructure of Ni-P electroless platings on the surface of alloy steels showed that the coating was uniform and dense,and it was amorphous.Thermal shock test indicated the adhesion of the coating was good.By corrosion test,it was shown that the corrosion resistance of Ni-P alloy coating was better than the substrates,and it was a good way to improve the corrosion resistance of alloy steels.

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