纯铜表面机械沉积镍及其对组织结构和性能的影响

功能材料, 2012, 43(14): 1927-1930.

纯铜表面机械沉积镍及其对组织结构和性能的影响

林万明 ^1, , 钱玉水 ^2, , 侯利锋 ^3, , 杜华云 ^4, , 卫英慧 ^5,

1.太原理工大学材料科学与工程学院,山西太原030024

2.太原理工大学材料科学与工程学院,山西太原030024

3.太原理工大学材料科学与工程学院,山西太原030024

4.太原理工大学材料科学与工程学院,山西太原030024

5.太原理工大学材料科学与工程学院,山西太原030024

基金项目: 国家自然科学基金资助项目(51001079) 山西省基础研究资助项目(2011011020-1)

关键词：表面纳米化 , 塑性变形 , 铜 , 性能

Mechanical deposition of Ni on copper and its influence on structures and properties

Keywords： surface nanocrystallization , plastical deformation , copper , property

为了提高材料的表面性能,采用表面机械研磨处理和机械合金化相结合的方法,在纯铜表面形成一定厚度的沉积镍层。采用X射线衍射仪（XRD）和扫描电子显微镜（SEM）对试样的显微组织结构进行分析,试样的机械性能采用金相显微硬度测试仪进行测试。实验结果表明,纯铜表面经机械沉积镍处理后,表面平均晶粒尺寸达到了纳米量级;随处理时间的延长,表面硬度得到了改善。

To improve the surface properties of materials,Ni alloy layer was produced on pure copper by a combination of surface mechanical attrition treatment and mechanical alloying.The microstructure of the samples fabricated by mechanical deposition was investigated by scanning electron microscopy and X-ray diffraction instruments.Mechanical properties of specimens were tested by micro-hardness tester.The experiment results indicated that nanostructured alloying layer was formed on pure copper by mechanical deposition.With the prolonging of treatment time,micro-hardness and corrosion resistance of specimens were greatly improved

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