Towards high performance GNFs/Ti composite through simultaneously manipulating laminated microstructure and interface reaction

X. N. Mu; H. M. Zhang; P. W. Chen; X. W. Cheng; B. Wang; L. Liu; Y. X. Ge; H. Q. Duan

doi:10.1016/j.msea.2021.141230

Towards high performance GNFs/Ti composite through simultaneously manipulating laminated microstructure and interface reaction

X. N. Mu^*, H. M. Zhang^*, P. W. Chen, X. W. Cheng, B. Wang, L. Liu, Y. X. Ge, H. Q. Duan

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

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

11 Citations (Scopus)

Abstract

Bulk graphene nano-flakes (GNFs)-reinforced Ti matrix composite (GNFs/Ti) was obtained by laminated microstructure design. By means of a novel flake powder assembly approach, the GNFs possessed high compatibility with Ti flakes and achieved uniform dispersion in matrix. Powder mixtures were consolidated through low-temperature sintering and short-time heat treatment strategy to simultaneously manipulate the interface reaction and microstructure. Compared with the unreinforced Ti matrix, GNFs/Ti composites were shown to obtain significantly improved strength. Specially, the 0.46 vol% GNFs/Ti composite heat-treated at 1023 K for 450s exhibited the exceptional well ductility with a superior high compressive yield strength of ~2 GPa, which was interpreted by the strong GNFs-Ti interface, and the extrinsic toughening effect as a result of the laminated microstructure and improvement of matrix grain bonding. This work provided a feasible way to construct the high performance nano-carbon reinforced Ti-based composites, and underscore the importance of interface reaction and microstructure design for achieving the well strength-ductility combination.

Original language	English
Article number	141230
Journal	Materials Science and Engineering: A
Volume	814
DOIs	https://doi.org/10.1016/j.msea.2021.141230
Publication status	Published - 13 May 2021

Keywords

Graphene nano-flakes
Interface design
Laminate mirostructure
Mechanical property
Titanium matrix composite

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10.1016/j.msea.2021.141230

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title = "Towards high performance GNFs/Ti composite through simultaneously manipulating laminated microstructure and interface reaction",

abstract = "Bulk graphene nano-flakes (GNFs)-reinforced Ti matrix composite (GNFs/Ti) was obtained by laminated microstructure design. By means of a novel flake powder assembly approach, the GNFs possessed high compatibility with Ti flakes and achieved uniform dispersion in matrix. Powder mixtures were consolidated through low-temperature sintering and short-time heat treatment strategy to simultaneously manipulate the interface reaction and microstructure. Compared with the unreinforced Ti matrix, GNFs/Ti composites were shown to obtain significantly improved strength. Specially, the 0.46 vol% GNFs/Ti composite heat-treated at 1023 K for 450s exhibited the exceptional well ductility with a superior high compressive yield strength of ~2 GPa, which was interpreted by the strong GNFs-Ti interface, and the extrinsic toughening effect as a result of the laminated microstructure and improvement of matrix grain bonding. This work provided a feasible way to construct the high performance nano-carbon reinforced Ti-based composites, and underscore the importance of interface reaction and microstructure design for achieving the well strength-ductility combination.",

keywords = "Graphene nano-flakes, Interface design, Laminate mirostructure, Mechanical property, Titanium matrix composite",

author = "Mu, {X. N.} and Zhang, {H. M.} and Chen, {P. W.} and Cheng, {X. W.} and B. Wang and L. Liu and Ge, {Y. X.} and Duan, {H. Q.}",

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

year = "2021",

month = may,

day = "13",

doi = "10.1016/j.msea.2021.141230",

language = "English",

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journal = "Materials Science and Engineering: A",

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TY - JOUR

T1 - Towards high performance GNFs/Ti composite through simultaneously manipulating laminated microstructure and interface reaction

AU - Mu, X. N.

AU - Zhang, H. M.

AU - Chen, P. W.

AU - Cheng, X. W.

AU - Wang, B.

AU - Liu, L.

AU - Ge, Y. X.

AU - Duan, H. Q.

PY - 2021/5/13

Y1 - 2021/5/13

N2 - Bulk graphene nano-flakes (GNFs)-reinforced Ti matrix composite (GNFs/Ti) was obtained by laminated microstructure design. By means of a novel flake powder assembly approach, the GNFs possessed high compatibility with Ti flakes and achieved uniform dispersion in matrix. Powder mixtures were consolidated through low-temperature sintering and short-time heat treatment strategy to simultaneously manipulate the interface reaction and microstructure. Compared with the unreinforced Ti matrix, GNFs/Ti composites were shown to obtain significantly improved strength. Specially, the 0.46 vol% GNFs/Ti composite heat-treated at 1023 K for 450s exhibited the exceptional well ductility with a superior high compressive yield strength of ~2 GPa, which was interpreted by the strong GNFs-Ti interface, and the extrinsic toughening effect as a result of the laminated microstructure and improvement of matrix grain bonding. This work provided a feasible way to construct the high performance nano-carbon reinforced Ti-based composites, and underscore the importance of interface reaction and microstructure design for achieving the well strength-ductility combination.

AB - Bulk graphene nano-flakes (GNFs)-reinforced Ti matrix composite (GNFs/Ti) was obtained by laminated microstructure design. By means of a novel flake powder assembly approach, the GNFs possessed high compatibility with Ti flakes and achieved uniform dispersion in matrix. Powder mixtures were consolidated through low-temperature sintering and short-time heat treatment strategy to simultaneously manipulate the interface reaction and microstructure. Compared with the unreinforced Ti matrix, GNFs/Ti composites were shown to obtain significantly improved strength. Specially, the 0.46 vol% GNFs/Ti composite heat-treated at 1023 K for 450s exhibited the exceptional well ductility with a superior high compressive yield strength of ~2 GPa, which was interpreted by the strong GNFs-Ti interface, and the extrinsic toughening effect as a result of the laminated microstructure and improvement of matrix grain bonding. This work provided a feasible way to construct the high performance nano-carbon reinforced Ti-based composites, and underscore the importance of interface reaction and microstructure design for achieving the well strength-ductility combination.

KW - Graphene nano-flakes

KW - Interface design

KW - Laminate mirostructure

KW - Mechanical property

KW - Titanium matrix composite

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DO - 10.1016/j.msea.2021.141230

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SN - 0921-5093

VL - 814

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

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ER -

Towards high performance GNFs/Ti composite through simultaneously manipulating laminated microstructure and interface reaction

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Keywords

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