Synthesis of Cu-CNTs nanocomposites via double pressing double sintering method

Authors

  • Marjan Darabi Imam Khomeini International University(IKIU),Graduated MSc student.
  • Masoud Rajabi Materials Science and Engineering Department, Engineering and Technology Faculty Imam Khomeini International University (IKIU)Qazvin

DOI:

https://doi.org/10.30544/244319

Keywords:

Cu-CNTs nano-composites, double pressing double sintering method, physical and mechanical properties.

Abstract

In this research, copper (Cu)-carbon nanotubes (CNTs) nanocomposites were synthesized with different weight percentages of CNTs by double pressing double sintering (DPDS) method as well as conventional sintering method. A planetary ball mill was used to disperse CNTs in Cu matrix. The milled powders were first cold pressed to 450 MPa in a uniaxial stainless-steel die with cylindrical compacts (diameter: 12 mm and height: 5 mm). The effect of CNTs content and the DPDS method on the properties of the nanocomposites were investigated. The microstructure and phase analysis of Cu-CNTs nanocomposite samples were studied by FESEM and X-Ray Diffraction. The electrical conductivity of nanocomposites was measured and compared to both sintering methods. Mechanical properties of Cu-CNTs nanocomposites were characterized using bending strength and micro-hardness measurements. Enhancements of about 32% in bending strength, 31.6% in hardness and 19.5% in electrical conductivity of Cu-1 wt.% CNTs nanocomposite synthesized by DPDS method were observed as compared to Cu-1 wt.% CNTs nanocomposites fabricated under the similar condition by a conventional sintering process.

Author Biography

Marjan Darabi, Imam Khomeini International University(IKIU),Graduated MSc student.

Materials Science and Engineering Depatment

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Published

2018-01-09

How to Cite

Darabi, Marjan, and Masoud Rajabi. 2018. “Synthesis of Cu-CNTs Nanocomposites via Double Pressing Double Sintering Method”. Metallurgical and Materials Engineering 23 (4):319-34. https://doi.org/10.30544/244319.

Issue

Vol. 23 No. 4 (2017)

Section

Research

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