Towards high performance in Ti-based composite through manipulating nickel coatings on graphene reinforcement

Y. X. Ge; H. M. Zhang; X. W. Cheng; Q. B. Fan; Z. H. Zhang; X. N. Mu; L. Liu

doi:10.1016/j.jallcom.2021.162240

Towards high performance in Ti-based composite through manipulating nickel coatings on graphene reinforcement

Y. X. Ge, H. M. Zhang^*, X. W. Cheng, Q. B. Fan, Z. H. Zhang, X. N. Mu, L. Liu

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

Graphene nanoflakes (GNFs) surface metallization is a potential method to simultaneously achieve homogeneous GNFs dispersion and suitable interfacial bonding in metal matrix composites (MMCs). In this study, the effect of nickel coating microstructure of GNFs on strengthening titanium matrix composites (TMCs) was investigated. To this end, nickel-coated graphene nanoflakes (Ni-GNFs) with two different states were produced via electroless plating. The Ni-GNFs/Ti bulk composites were consolidated by combining short-time ball milling, spark plasma sintering (SPS) and hot rolling (HR). Results showed that the reinforcements were well dispersed in the Ni-GNFs/Ti composites coupled with remarkably strength improvement, which resulted from the precipitation of NiTi₂ intermetallic compound and strong interfacial bonding. The partially Ni-coated GNFs have a better strengthening effect than fully Ni-coated GNFs in TMCs, which was closely associated with the formation of a special interfacial microstructure. As a result, the composite with partially Ni-coated GNFs exhibited the highest tensile strength of 821 MPa, as well as excellent ductility (~18.3%). This finding may provide new strategies for the preparation of high-performance TMCs through interfacial microstructure design.

Original language	English
Article number	162240
Journal	Journal of Alloys and Compounds
Volume	893
DOIs	https://doi.org/10.1016/j.jallcom.2021.162240
Publication status	Published - 10 Feb 2022

Keywords

Electroless nickel plating
Graphene nanoflakes
Interface design
Mechanical properties
Metal matrix composites

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10.1016/j.jallcom.2021.162240

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title = "Towards high performance in Ti-based composite through manipulating nickel coatings on graphene reinforcement",

abstract = "Graphene nanoflakes (GNFs) surface metallization is a potential method to simultaneously achieve homogeneous GNFs dispersion and suitable interfacial bonding in metal matrix composites (MMCs). In this study, the effect of nickel coating microstructure of GNFs on strengthening titanium matrix composites (TMCs) was investigated. To this end, nickel-coated graphene nanoflakes (Ni-GNFs) with two different states were produced via electroless plating. The Ni-GNFs/Ti bulk composites were consolidated by combining short-time ball milling, spark plasma sintering (SPS) and hot rolling (HR). Results showed that the reinforcements were well dispersed in the Ni-GNFs/Ti composites coupled with remarkably strength improvement, which resulted from the precipitation of NiTi2 intermetallic compound and strong interfacial bonding. The partially Ni-coated GNFs have a better strengthening effect than fully Ni-coated GNFs in TMCs, which was closely associated with the formation of a special interfacial microstructure. As a result, the composite with partially Ni-coated GNFs exhibited the highest tensile strength of 821 MPa, as well as excellent ductility (~18.3%). This finding may provide new strategies for the preparation of high-performance TMCs through interfacial microstructure design.",

keywords = "Electroless nickel plating, Graphene nanoflakes, Interface design, Mechanical properties, Metal matrix composites",

author = "Ge, {Y. X.} and Zhang, {H. M.} and Cheng, {X. W.} and Fan, {Q. B.} and Zhang, {Z. H.} and Mu, {X. N.} and L. Liu",

note = "Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",

year = "2022",

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day = "10",

doi = "10.1016/j.jallcom.2021.162240",

language = "English",

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T1 - Towards high performance in Ti-based composite through manipulating nickel coatings on graphene reinforcement

AU - Ge, Y. X.

AU - Zhang, H. M.

AU - Cheng, X. W.

AU - Fan, Q. B.

AU - Zhang, Z. H.

AU - Mu, X. N.

AU - Liu, L.

PY - 2022/2/10

Y1 - 2022/2/10

N2 - Graphene nanoflakes (GNFs) surface metallization is a potential method to simultaneously achieve homogeneous GNFs dispersion and suitable interfacial bonding in metal matrix composites (MMCs). In this study, the effect of nickel coating microstructure of GNFs on strengthening titanium matrix composites (TMCs) was investigated. To this end, nickel-coated graphene nanoflakes (Ni-GNFs) with two different states were produced via electroless plating. The Ni-GNFs/Ti bulk composites were consolidated by combining short-time ball milling, spark plasma sintering (SPS) and hot rolling (HR). Results showed that the reinforcements were well dispersed in the Ni-GNFs/Ti composites coupled with remarkably strength improvement, which resulted from the precipitation of NiTi2 intermetallic compound and strong interfacial bonding. The partially Ni-coated GNFs have a better strengthening effect than fully Ni-coated GNFs in TMCs, which was closely associated with the formation of a special interfacial microstructure. As a result, the composite with partially Ni-coated GNFs exhibited the highest tensile strength of 821 MPa, as well as excellent ductility (~18.3%). This finding may provide new strategies for the preparation of high-performance TMCs through interfacial microstructure design.

AB - Graphene nanoflakes (GNFs) surface metallization is a potential method to simultaneously achieve homogeneous GNFs dispersion and suitable interfacial bonding in metal matrix composites (MMCs). In this study, the effect of nickel coating microstructure of GNFs on strengthening titanium matrix composites (TMCs) was investigated. To this end, nickel-coated graphene nanoflakes (Ni-GNFs) with two different states were produced via electroless plating. The Ni-GNFs/Ti bulk composites were consolidated by combining short-time ball milling, spark plasma sintering (SPS) and hot rolling (HR). Results showed that the reinforcements were well dispersed in the Ni-GNFs/Ti composites coupled with remarkably strength improvement, which resulted from the precipitation of NiTi2 intermetallic compound and strong interfacial bonding. The partially Ni-coated GNFs have a better strengthening effect than fully Ni-coated GNFs in TMCs, which was closely associated with the formation of a special interfacial microstructure. As a result, the composite with partially Ni-coated GNFs exhibited the highest tensile strength of 821 MPa, as well as excellent ductility (~18.3%). This finding may provide new strategies for the preparation of high-performance TMCs through interfacial microstructure design.

KW - Electroless nickel plating

KW - Graphene nanoflakes

KW - Interface design

KW - Mechanical properties

KW - Metal matrix composites

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JO - Journal of Alloys and Compounds

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Towards high performance in Ti-based composite through manipulating nickel coatings on graphene reinforcement

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Keywords

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