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離子液體中釹鐵硼磁體電鍍鋅研究
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國(guó)家自然科學(xué)基金 (20771080)


Electroplating of Zinc on NdFeB Magnet from Ionic Liquid
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    摘要:

    采用尿素-NaBr-KBr-甲酰胺-ZnCl2離子液體作為鍍液在釹鐵硼磁體表面電鍍鋅，包括基體前處理工藝和鍍后處理工藝，考察了添加劑、供電方式等對(duì)鍍層形貌和耐腐蝕性的影響，通過中性鹽霧試驗(yàn)、SEM、XRD等對(duì)鍍層進(jìn)行測(cè)試表征。結(jié)果表明：在電流密度1 A/dm2，溫度30 ℃，電鍍時(shí)間20 min磁力攪拌條件下，當(dāng)添加劑的量為10 mL·L-1時(shí)采用脈沖電鍍電源實(shí)施電鍍，得到的鍍層光亮致密均勻，耐腐性能好。此方法為釹鐵硼磁體電鍍鋅提供了一種新思路

    Abstract:

    The ionic liquid CO(NH2)2-NaBr-KBr-CH3NO-ZnCl2 was adopted for electroplating zinc on NdFeB magnet. All the pre-processing of the matrix, the solvents and power supply were authenticated through experiments and the coating was characterized by means of neutral salt spray experiment, SEM and XRD. The results show that when the current density is 1 A/dm2, the temperature 30 oC, the electroplating time 20 min and the additives 10 mL·L-1, a comparatively bright, uniform zinc coating with good corrosion resistance can be obtained by means of digital pulse plating power supply. Therefore it supplies a new idea for electroplating of zinc on NdFeB magnet.

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楊 志,閆瑞景,梁鎮(zhèn)海.離子液體中釹鐵硼磁體電鍍鋅研究[J].稀有金屬材料與工程,2014,43(3):743~746.[Yang Zhi, Yan Ruijing, Liang Zhenhai. Electroplating of Zinc on NdFeB Magnet from Ionic Liquid[J]. Rare Metal Materials and Engineering,2014,43(3):743~746.]
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  • 收稿日期:2013-03-22
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  • 在線發(fā)布日期: 2014-06-27
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