• Bui Hung Thang Institute of Materials Science
  • Nguyen Xuan Toan Graduate University of Science and Technology
  • Nguyen Viet Phuong Institute of Materials Sciences
  • Tran Van Hau Institute of Materials Sciences
  • Nguyen Thi Hong Hue Industrial College
  • Nguyen Ngoc Trac Hue Industrial College
  • Vu Dinh Lam Institute of Materials Sciences
  • Phan Ngoc Minh Graduate University of Science and Technology, Vietnam Academy of Science and Technology



electrodeposition, Nickel, reinforcement, carbon nanotubes, CNTs


Carbon nanotubes (CNTs) have been widely known as nanomaterials with excellent mechanical properties. Previous studies reported that the tensile strength of multi-walled carbon nanotubes (MWCNTs) was up to 63 GPa and single-walled carbon nanotubes (SWCNTs) could reach 150 GPa while the highest tensile strength of the steel was found to be about 1.8 GPa. SWCNTs could have Young’s modulus up to 1000 GPa that was much greater than the value of 209 GPa of steel. Therefore, there is a great potential to utilize CNTs as reinforced materials for composites in general and Ni electrodeposition coating in particular to improve hardness, durability, corrosion, and other physical and mechanical properties. This paper presents results of preparing and examining characteristics of the Nickel electrodeposition coatings containing MWCNTs (Ni-MWCNTs). The Ni-MWCNTs composite coatings deposited on a steel plate with the area of 0.4 dm2 using bipolar pulses at 470 Hz and 50oC in a 5-liter bath. Amount of CNTs varying from 1 g/l to 3 g/l was dispersed into the solution by using surfactants and ultrasonic vibration. CNTs used in the study was MWCNTs diameters in the range from 20 to 90 nanometers and few micrometers in length. The SEM, EDS, hardness and adhesion tests were conducted to analyze the properties of the electrodeposition coatings. The obtained results indicated that the hardness and adhesion of the Ni-CNTs coating were 1.5 and 1.46 times, respectively, higher than those of the Ni coating. In addition, adhesion of the Ni-CNTs coating was significantly improved.


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Author Biographies

Bui Hung Thang, Institute of Materials Science

Dr. Bui Hung Thang is working at the Laboratory of Carbon Nanomaterials (Institute of Materials Science). He is studying on the application of CNTs and Graphene in various fields such as high thermal conductivity materials, nano composite, nanofluids, electro-deposition coatings, etc.

Nguyen Xuan Toan, Graduate University of Science and Technology

Nguyen Xuan Toan is a phD student at Graduate University of Science and Technology.

Nguyen Viet Phuong, Institute of Materials Sciences

Nguyen Viet Phuong is an internship at Institute of Materials Sciences.

Tran Van Hau, Institute of Materials Sciences

Tran Van Hau is an internship at Institute of Materials Sciences.

Nguyen Thi Hong, Hue Industrial College

Nguyen Thi Hong is a teacher at Hue Industrial College.

Nguyen Ngoc Trac, Hue Industrial College

Nguyen Ngoc Trac is a teacher at Hue Industrial College.

Vu Dinh Lam, Institute of Materials Sciences

Prof. Vu Dinh Lam is Head of Metamaterial Group, Vice-Director of Institute of Materials Science (IMS), Vietnam Academy of Sciences and Technology (VAST)

Phan Ngoc Minh, Graduate University of Science and Technology, Vietnam Academy of Science and Technology

Prof. Phan Ngoc Minh is Head of Carbon Nanomaterials Group, Vice President of VAST, Director of GUST.


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3rd Intern Workshop CPM2018