Laser sintered single layer graphene oxide reinforced titanium matrix nanocomposites

Hu, Zengrong; Guo-quan, Tong; Nian, Qiong; Xu, Rong; Saei, Mojib; Chen, Feng; Chen, Changjun; Zhang, Min; Guo, Huan; Xu, Jiale

doi:10.1016/j.compositesb.2016.03.043

Cited by 82 publications

(47 citation statements)

References 42 publications

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“…It proved that after laser treatment graphene sheet still exist in the composite coatings, and it was not destroyed by the high temperature of the laser treatment processes. And our other similar works had been proved that graphene sheets can survive in laser treatment process [11][12][13].…”

Section: Resultsmentioning

confidence: 99%

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Tribological Performance of Graphene-Copper-Iron Composite Coating

Hu¹,

Chen²,

Fan³

et al. 2018

Proceedings of the 4th Annual International Conference on Material Engineering and Application (ICMEA 2017)

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Abstract-Graphene sheets and copper powder were dispersed into Polyvinyl Alcohol (PVA) solution by magnetic stirring, and then pre-coating the mixed solution on the polished AISI4140 substrate. Then laser cladding and laser remelting process were used to fabricated graphene copper and iron composite coating. Microstructures and composition of the composite coating was studied by using Scanning Electron Microscopy (SEM), Energy Dispersive Spectrometer (EDS) and Raman spectroscopy. Raman spectrum, SEM results proved that graphene sheets were dispersed in the composite coating. Vickers hardness test results showed that the composite coating had higher hardness values. With the graphene addition, the tribological performance of the composite coatings became better, and for pure copper iron coating, the average friction coefficient was 0.16, while for the 10% graphene copper iron coating, it was reduced to 0.13.

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Section: Resultsmentioning

confidence: 99%

“…The samples were put into a transparent chamber which filled with N 2 gas. The detailed information can be obtained from our previous works [10][11][12].…”

Section: B Laser Cladding and Remelting Experimentsmentioning

confidence: 99%

Tribological Performance of Graphene-Copper-Iron Composite Coating

Hu¹,

Chen²,

Fan³

et al. 2018

Proceedings of the 4th Annual International Conference on Material Engineering and Application (ICMEA 2017)

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“…It has been observed that during high temperature sintering, carbonaceous materials react with matrix and forms carbides, such as aluminum carbide in the case of Al matrix, which reduces the mechanical properties of composites [170,171]. To overcome this concern a rapid sintering process, such as laser sintering, has been used that has improved the mechanical properties of the composites [170,172]. These studies suggest that the PM route provides an alternative to the casting process, especially for the production of small components because the PM route generates finished products.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Advanced Metal Matrix Nanocomposites

Malaki

Kasar

et al. 2019

Metals

199

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Lightweight high-strength metal matrix nano-composites (MMNCs) can be used in a wide variety of applications, e.g., aerospace, automotive, and biomedical engineering, owing to their sustainability, increased specific strength/stiffness, enhanced elevated temperature strength, improved wear, or corrosion resistance. A metallic matrix, commonly comprising of light aluminum or magnesium alloys, can be significantly strengthened even by very low weight fractions (~1 wt%) of well-dispersed nanoparticles. This review discusses the recent advancements in the fabrication of metal matrix nanocomposites starting with manufacturing routes and different nanoparticles, intricacies of the underlying physics, and the mechanisms of particle dispersion in a particle-metal composite system. Thereafter, the microstructural influences of the nanoparticles on the composite system are outlined and the theory of the strengthening mechanisms is also explained. Finally, microstructural, mechanical, and tribological properties of the selected MMNCs are discussed as well.

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“…However, it is extremely difficult to disperse grapheme homogeneously in metal matrix. It is even more difficult to make grapheme reinforced titanium matrix composite coating, since titanium is an active metal, which can react with carbon easily [6].…”

Section: Introductionmentioning

confidence: 99%