袁颖,宋佩维,赵康.微米级镀银铜粉的镀层结构及热稳定性[J].表面技术,2007,36(1):11-13.
YUAN Ying,SONG PeiWei,ZHAO Kang.Plating Structure and Thermal stability of Micro Silver-coated Copper Powder[J].Surface Technology,2007,36(1):11-13
微米级镀银铜粉的镀层结构及热稳定性
Plating Structure and Thermal stability of Micro Silver-coated Copper Powder
投稿时间:2006-11-11  修订日期:2007-02-10
DOI:
中文关键词:  铜粉  镀银铜粉  热稳定性  镀层结构
英文关键词:Copper power  Silver-coated copper powder  Thermal stability  Plating structure
基金项目:
作者单位
袁颖 西安理工大学高等技术学院,陕西 西安,710082 
宋佩维 陕西理工学院机械工程学院,陕西 汉中,723003 
赵康 西安理工大学材料科学与工程学院,陕西 西安,710048 
AuthorInstitution
YUAN Ying School of High Technology, Xi´an University of Technology, Xi´an 710082, China 
SONG PeiWei School of mechanical engineering, Shaanxi University of technology,Hanzhong,723003, China 
ZHAO Kang School of Materials Science and Engineering, Xi´an University of Technology, Xi´an 710048, China 
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中文摘要:
      为了提高铜粉的热稳定性,我们采用滴入化学镀法在铜粉末表面包覆一层金属银,用SEM、X射线衍射(XRD)、粒度分布和热重分析表征了不同包覆厚度的镀银铜粉和原始铜粉的表面形貌、表面结构及其抗氧化性。结果表明,铜粉表面镀层结构与银离子形核长大机制和银含量有关。镀银铜粉的热稳定与表面镀层结构有关。完全包覆结构的镀银铜粉具有较好的热稳定性,抗氧化温度可以达到800℃以上。
英文摘要:
      The micro silver-coated copper powder with high temperature of oxidation resistance was prepared by chemistry substitutional and chemistry plating reaction. The surface topography, microstructure and oxidation resistance of the coated powder were characterized by SEM, XRD, TG and other methods. It was found that the Coating structure of copper power related to mechanism of nucleus forming and content of silver, Thermal stability is affected by plating structure of silver-coated copper power. Silver-coated copper powder with coated structure have higher thermal stability, it is not oxidize even at 800℃.
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