Fabricating graphene-titanium composites by laser sintering PVA bonding graphene titanium coating: Microstructure and mechanical properties

Zengrong Hu, Feng Chen, Jiale Xu, Zhenwu Ma, Huafeng Guo, Changjun Chen, Qiong Nian, Xiaonan Wang, Min Zhang

Research output: Contribution to journalArticle

  • 5 Citations

Abstract

Graphene reinforced titanium (Ti-Gr) nanocomposite was prepared by laser sintering of the mixture of PVA bonding graphene sheets and titanium powders. During laser sintering process, the survival and uniform dispersion of graphene have been demonstrated, which embedded in Ti matrix, and formed Ti-Gr nanocomposites. Microstructures and components of the nanocomposites were studied using scanning electron microscopy (SEM), X-ray diffraction (XRD), energy dispersive spectrometer (EDS) and Raman spectroscopy. The survival of graphene sheets in nanocomposite is due to rapid heating/cooling in laser sintering process. Hardness measurements showed that the laser sintered Ti-Gr nanocomposites achieved more than 2-fold Vickers Hardness value of barely sintered Ti.

LanguageEnglish (US)
Pages133-140
Number of pages8
JournalComposites Part B: Engineering
Volume134
DOIs
StatePublished - Feb 1 2018
Externally publishedYes

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Graphite
Titanium
Graphene
Nanocomposites
Sintering
Coatings
Mechanical properties
Microstructure
Lasers
Composite materials
Vickers hardness
Powders
Raman spectroscopy
Spectrometers
Hardness
Cooling
Heating
X ray diffraction
Scanning electron microscopy

Keywords

  • Graphene
  • Laser sintering
  • Nanocomposites
  • Titanium

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

Fabricating graphene-titanium composites by laser sintering PVA bonding graphene titanium coating : Microstructure and mechanical properties. / Hu, Zengrong; Chen, Feng; Xu, Jiale; Ma, Zhenwu; Guo, Huafeng; Chen, Changjun; Nian, Qiong; Wang, Xiaonan; Zhang, Min.

In: Composites Part B: Engineering, Vol. 134, 01.02.2018, p. 133-140.

Research output: Contribution to journalArticle

Hu, Zengrong ; Chen, Feng ; Xu, Jiale ; Ma, Zhenwu ; Guo, Huafeng ; Chen, Changjun ; Nian, Qiong ; Wang, Xiaonan ; Zhang, Min. / Fabricating graphene-titanium composites by laser sintering PVA bonding graphene titanium coating : Microstructure and mechanical properties. In: Composites Part B: Engineering. 2018 ; Vol. 134. pp. 133-140
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