研究了从焦磷酸盐槽液中电镀锡镍合金的一种新工艺，讨论了一些电镀参数对锡镍合金镀层的影响。

A new technology of tin-nickel alloy electroplating from a pyrophosphating bath was studied. The effect of some plating parameters on the tin-nickel alloy coating was discussed.

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在研究碱性锡镍合金的电沉积过程中，讨论了镀液中各成分的含量、电镀工艺条件的改变及添加剂对锡镍合金镀层成分和外观的影响规律。

The effect of bath composition, operating conditions and additives on Sn content of electrodeposits during the process of Sn-Ni alloy electroplating in alkaline baths had been studied.

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其次是黑色镀层，探讨了目前较受欢迎的电镀黑色锡镍合金及离子镀碳化钛。

Then, black Sn-Ni alloy plating and ti carbide ion plating, quite well received currently, are discussed.

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其次是黑色镀层，探讨了目前较受欢迎的电镀黑色锡镍合金及离子镀碳化钛。

Then, black Sn-Ni alloy plating and ti carbide ion plating, quite well received currently, are discussed.

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