期刊信息
  • 主管单位:
  • 上海市科学技术协会
  • 主办单位:
  • 上海有色金属学会
    上海理工大学
  • 名誉主编:
  • 陈兴章
  • 主    编:
  • 刘 平
  • 地    址:
  • 上海市军工路516号
  • 邮政编码:
  • 200093
  • 联系电话:
  • (86)021-55781550
  • 电子邮件:
  • nmme@usst.edu.cn
  • 国际标准刊号:
  • 2096-2983
  • 国内统一刊号:
  • 31-2125/TF
  • 单    价:
  • 8.00
  • 定    价:
  • 60.00
吴湾湾,刘平,陈小红,付少利,周洪雷.三维互通CNTs/Cu复合材料的制备及力学性能研究[J].有色金属材料与工程,2020,41(4):1-7.
三维互通CNTs/Cu复合材料的制备及力学性能研究
Preparation and Mechanical Properties of 3D Intercommunicated CNTs/Cu Composite Materials
  
DOI:10.13258/j.cnki.nmme.2020.04.001
中文关键词:  碳纳米管  铜基复合材料  催化剂  组织性能
英文关键词:carbon nanotubes  copper-based composite material  catalyst  microstructure and property
基金项目:国家自然科学基金资助项目(No.51201107)
作者单位E-mail
吴湾湾 上海理工大学 材料科学与工程学院上海 200093  
刘平 上海理工大学 材料科学与工程学院上海 200093 15537883298@163.com 
陈小红 上海理工大学 材料科学与工程学院上海 200093  
付少利 上海理工大学 材料科学与工程学院上海 200093  
周洪雷 上海理工大学 材料科学与工程学院上海 200093  
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中文摘要:
      对CuCr合金粉末固溶时效处理之后进行预烧结,得到CuCr预压块。以此预压块为基底,采用化学气相沉积(chemical vapor deposition, CVD)工艺和放电等离子烧结(sparking plasma sintering, SPS)工艺成功制备了三维互通的碳纳米管/铜(carbon nanotubes/Cu, CNTs/Cu)复合材料。采用扫描电子显微镜(scanning electron microscope, SEM),拉曼光谱仪等表征碳纳米管的微观组织结构,利用微拉伸试验机测试复合材料的力学性能。研究结果表明,Cr作为催化剂,对碳纳米管的形貌影响很大,碳纳米管的质量也会对复合材料的力学性能产生影响。当Cr的质量分数为0.6%时,碳纳米管在铜基体表面均匀分布,CNTs/Cu复合材料的力学性能最佳。经SPS烧结和轧制之后,复合材料的导电率和屈服强度分别达到了82.4% IACS和349 MPa,断裂伸长率高达6.4%,这是由于CNTs的加入,起到了第二相强化的作用,提高了复合材料的力学性能。
英文摘要:
      The CuCr alloy powder was pre-sintered after solution aging treatment to obtain a CuCr pre-press. Using it as a substrate, 3D intercommunicated carbon nanotubes/copper (CNTs/Cu) composites were successfully prepared by chemical vapor deposition (CVD) and sparking plasma sintering (SPS) processes. The microstructure of the material were characterized by scanning electron microscope (SEM) and Raman spectrometer. The mechanical properties of the material were measured by micro-tensile testing machine. The results show that as a catalyst, Cr has a great influence on the morphology of carbon nanotubes, and the quality of carbon nanotubes also affects the mechanical properties of the composites. When the mass fraction of Cr is 0.6%, CNTs are evenly distributed on the surface of copper matrix, and the mechanical properties of CNTs/Cu composites are the best. After SPS sintering and rolling, the electrical conductivity and yield strength of the composite reach 82.4% IACS and 349 MPa, respectively, and the fracture elongation is up to 6.4%. This is due to the addition of CNTs, which plays a second phase strengthening role and improves the mechanical properties of the composite.
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