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首页> 外文期刊>Applied Surface Science >Effects Of Yb~(3+) On The Corrosion Resistance And Deposition Rate Of Electroless Ni-p Deposits
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Effects Of Yb~(3+) On The Corrosion Resistance And Deposition Rate Of Electroless Ni-p Deposits

机译：Yb〜（3+）对化学镀Ni-p镀层耐蚀性和沉积速率的影响

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摘要

Ni-P alloy coatings were deposited with the addition of Yb~(3+) in the electroless plating solution. The effects of Yb~(3+) concentration on the corrosion resistance and deposition rate of electroless Ni-P coatings were investigated. The results showed that the addition of Yb~(3+) could significantly improve the corrosion resistance of the coatings. When increasing Yb~(3+) up to 0.20 g L~(-1), the corrosion potential E_(corr) of the electroless Ni-P coating in 3.5% NaCl solution increased from -0.381 to -0.08 V, and the corrosion current density I_(corr) decreased from 7.36 to 0.62 μA cm~(-2). At 0.20 g L~(-1) Yb~(3+), the coating could be as long as 960 h free of corrosion in the neutral salt spray. In addition, the deposition rate can also be accelerated by Yb~(3+) addition. The mechanisms of Yb~(3+) influencing on the corrosion resistance and deposition rate of electroless Ni-P coatings were discussed.
机译：在化学镀液中加入Yb〜（3+）沉积Ni-P合金涂层。研究了Yb〜（3+）浓度对化学镀Ni-P涂层的耐蚀性和沉积速率的影响。结果表明，添加Yb〜（3+）可以显着提高涂层的耐蚀性。当Yb〜（3+）增加至0.20 g L〜（-1）时，化学镀Ni-P涂层在3.5％NaCl溶液中的腐蚀电位E_（corr）从-0.381 V增加到-0.08 V，并且腐蚀电流密度I_（corr）从7.36降至0.62μAcm〜（-2）。在0.20 g L〜（-1）Yb〜（3+）的条件下，中性盐雾中的涂层长达960 h无腐蚀。另外，还可以通过添加Yb〜（3+）来加速沉积速率。探讨了Yb〜（3+）对化学镀Ni-P涂层耐蚀性和沉积速率的影响机理。

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