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研究论文

酸性溶液化学镀Ni-P-B合金及结构性能表征(英文)

  • 蒋太祥 ,
  • 吴辉煌
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  • 固体表面物理化学国家重点实验室!厦门大学化学系,福建厦门361005,固体表面物理化学国家重点实验室!厦门大学化学系,福建厦门361005

收稿日期: 2000-02-28

  修回日期: 2000-02-28

  网络出版日期: 2000-02-28

Deposition and Characterization of Electroless Nickel-Phosphorus-Boron Coatings From Acidic Bath

  • JIANG Tai_xiang ,
  • WU Hui_huang 
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  • (State Key Lab. for Phys. Chem. of Solid Surfaces, Dept. of Chem., Xiamen Univ., Xiamen 361005, China

Received date: 2000-02-28

  Revised date: 2000-02-28

  Online published: 2000-02-28

摘要

联用次亚磷酸钠和硼氢化钠两种还原剂 ,从酸性镀液中沉积出不同硼含量的Ni_P_B镀层 ,并用原子力显微镜、X_射线衍射、透射电镜、动电位扫描等实验技术对其镀态结构及性能进行了表征。实验表明 ,镀液中硼氢化钠含量对沉积速度影响不大 ,但能显著影响镀层的化学组成。硼的共沉积使镍晶格点阵产生扭变 ,导致镀层晶粒增大 ,表面粗糙 ,颗粒分布不均匀 ,并使镀层由非晶态向微晶结构转变 ,且微晶成分随镀层中硼含量的增加而增多。Ni_P_B镀层的硬度随镀层中硼含量的增加而增大 ,热处理能显著提高镀层的硬度 ,且服从沉淀硬化机理。在 3.5wt%NaCl和 40wt%NaOH两种介质中 ,Ni_P_B合金的耐腐蚀能力优于Ni_P合金。镀层中硼含量越高 ,其耐腐蚀能力越强。

本文引用格式

蒋太祥 , 吴辉煌 . 酸性溶液化学镀Ni-P-B合金及结构性能表征(英文)[J]. 电化学, 2000 , 6(1) : 17 -24 . DOI: 10.61558/2993-074X.1367

Abstract

Acknowledgments The authors gratefully acknowledge Professor B.W.Mao for use of AFM facilities at her laboratory. We would also like to thank J.Tang for assistance with AFM measurements.

参考文献

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