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| New Technology of Compound Rare Earth Salt Conversion on Copper Alloy Surface |
| LV Xue-fei,LIU Shuang,GAN Shu-kun
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Abstract In this paper，the new technology of composite rare earth passivation of copper alloy was obtained by
orthogonal test．The surface of passivated sample was characterized by scanning electron microscopy．The new
technology was evaluated by nitric acid drip method．The results show that the copper alloy treated with the new
composite rare earth has good corrosion resistance．
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Published: 25 March 2018
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