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

doi:10.1016/j.compositesb.2017.09.069

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 journal › Article › peer-review

55 Scopus 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.

Original language	English (US)
Pages (from-to)	133-140
Number of pages	8
Journal	Composites Part B: Engineering
Volume	134
DOIs	https://doi.org/10.1016/j.compositesb.2017.09.069
State	Published - Feb 1 2018

Keywords

Graphene
Laser sintering
Nanocomposites
Titanium

ASJC Scopus subject areas

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

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10.1016/j.compositesb.2017.09.069

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

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.",

keywords = "Graphene, Laser sintering, Nanocomposites, Titanium",

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

year = "2018",

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doi = "10.1016/j.compositesb.2017.09.069",

language = "English (US)",

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T1 - Fabricating graphene-titanium composites by laser sintering PVA bonding graphene titanium coating

T2 - Microstructure and mechanical properties

AU - Hu, Zengrong

AU - Chen, Feng

AU - Xu, Jiale

AU - Ma, Zhenwu

AU - Guo, Huafeng

AU - Chen, Changjun

AU - Nian, Qiong

AU - Wang, Xiaonan

AU - Zhang, Min

PY - 2018/2/1

Y1 - 2018/2/1

N2 - 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.

AB - 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.

KW - Graphene

KW - Laser sintering

KW - Nanocomposites

KW - Titanium

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JO - Composites Part B: Engineering

JF - Composites Part B: Engineering

ER -

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

Abstract

Keywords

ASJC Scopus subject areas

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