Microstructure and electrical properties of carbon short fiber reinforced copper composites fabricated by electroless deposition followed by powder metallurgy process

  • Walid M. DaoushEmail author
  • Turki S. Alkhuraiji
  • Moath A. Khamis
  • Turki S. Albogmy
Original Article


Carbon short fibers/copper composites with different carbon short fiber contents up to 15 wt.% as reinforcements are prepared to investigate the influence of the carbon short fiber surface coating on the microstructure, density, and electrical properties of the carbon short fibers/copper composites. The carbon short fibers were surface treated by acid functionalization followed by alkaline treatment before the coating process. It was observed from the results that coated type copper nanoparticles were deposited on the surface of the carbon short fibers. The surface treated carbon short fibers were coated by copper using the electroless deposition technique in the alkaline tartrate bath by using formaldehyde as a reducing agent of the copper sulfate. The produced coated carbon short fibers/copper composite powders were cold compacted at 600 MPa, and then sintered at 875 °C for 2 h under (hydrogen/nitrogen 1:3) atmosphere. A reference copper sample was also prepared by the same method to compare between the properties of pure copper and the carbon short fibers/copper composites. The phase composition, morphology, and microstructure of the prepared carbon short fibers/copper composite powders as well as the corresponding carbon short fibers/copper composites were investigated using X-ray diffraction analysis (XRD) and scanning electron microscope (SEM) equipped with an energy-dispersive spectrometer (EDS), respectively. The density and the electrical resistivity of the sintered composites were measured. It was observed from the results that the density was decreased; however, the electrical resistivity was increased by increasing the carbon short fibers wt.%.


Carbon short fibers Copper composites Electroless deposition Powder metallurgy Electrical resistivity 



The researchers acknowledge the Deanship of Scientific Research at Imam Mohammad ibn Saud Islamic University, Saudi Arabia, for financing this project under the Grant No. (381222). Also, the researchers would like to thank the technician staff members of the XRD, TGA, DTA, and SEM laboratories at the King Abdulaziz City for Science and Technology in Riyadh for their cooperation.

Compliance with ethical standards

Conflict of interest

The authors claim that there is no any conflict of interest.


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Copyright information

© Korean Carbon Society 2019

Authors and Affiliations

  1. 1.Department of Chemistry, College of ScienceImam Mohammad Ibn Saud Islamic University (IMSIU)Al RiyadhKingdom of Saudi Arabia
  2. 2.Department of Production Technology, Faculty of Industrial EducationHelwan UniversityCairoEgypt
  3. 3.National Center for Irradiation TechnologyKing Abdulaziz City for Science and TechnologyAl RiyadhKingdom of Saudi Arabia

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