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One-Step Synthesis and Characterization of a Nanocomposite Based on Carbon Nanotubes/Aluminum and Its Reinforcement Effect on the Metal Matrix

Marcos Allan Leite dos Reis Elizabeth M. S. Rodrigues Jordan Del Nero Sonia Simoes Filomena Viana Manuel F. G. Vieira T. F. Vieira

材料科学与工程：中英文B版, 2015, Vol.5 (7), p.311-319

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  • Título:
    One-Step Synthesis and Characterization of a Nanocomposite Based on Carbon Nanotubes/Aluminum and Its Reinforcement Effect on the Metal Matrix
  • Autor: Marcos Allan Leite dos Reis Elizabeth M. S. Rodrigues Jordan Del Nero Sonia Simoes Filomena Viana Manuel F. G. Vieira T. F. Vieira
  • Assuntos: 一步合成 ; 多壁碳纳米管 ; 强化作用 ; 扫描电子显微镜 ; 纳米复合材料 ; 透射电子显微镜 ; 金属基体 ; 铝板
  • É parte de: 材料科学与工程：中英文B版, 2015, Vol.5 (7), p.311-319
  • Notas: The nanocomposite based on carbon nanotubes/aluminum （CNT/Al） was one-step prepared by the DC arc discharge method under an argon/acetone mixed atmosphere. Synthesis was performed by arc plasma on a pure graphite rod, filled by aluminum powder as an anode and aluminum plate as a cathode. Discharge conditions of 85 A and 20 V were used at a pressure range of 375 to 750 Torr. The CNT/Al was characterized by Scanning Electron Microscopy with Energy Dispersive Spectroscopy; Transmission Electron Microscopy; Laser Diffraction Particle Size Analysis; X-Ray Diffraction; Raman Spectroscopy; Thermogravimetric Analysis; and, its reinforcement effect of the CNTs on the aluminum matrix was measured by Vickers microhardness test. This nanocomposite shows agglomerates of multiwalled carbon nanotubes filled with Al4C3 and blended with aluminum particles; moreover, in the nanocomposites was found a hardness increase of 40% for nanocomposites with 1.0 wt.% of CNT/Al.
    One-step synthesis, CNT/Al nanocomposite, reinforcement effect.
  • Descrição: The nanocomposite based on carbon nanotubes/aluminum （CNT/Al） was one-step prepared by the DC arc discharge method under an argon/acetone mixed atmosphere. Synthesis was performed by arc plasma on a pure graphite rod, filled by aluminum powder as an anode and aluminum plate as a cathode. Discharge conditions of 85 A and 20 V were used at a pressure range of 375 to 750 Torr. The CNT/Al was characterized by Scanning Electron Microscopy with Energy Dispersive Spectroscopy; Transmission Electron Microscopy; Laser Diffraction Particle Size Analysis; X-Ray Diffraction; Raman Spectroscopy; Thermogravimetric Analysis; and, its reinforcement effect of the CNTs on the aluminum matrix was measured by Vickers microhardness test. This nanocomposite shows agglomerates of multiwalled carbon nanotubes filled with Al4C3 and blended with aluminum particles; moreover, in the nanocomposites was found a hardness increase of 40% for nanocomposites with 1.0 wt.% of CNT/Al.
  • Idioma: Chinês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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