Surface functionalized carbon nanofibers and their effect on the dispersion and tribological property of epoxy nanocomposites

Yanji Zhu; Huaiyuan Wang; Haiyan Li; Jiahua Zhu

doi:10.1007/s11595-016-1515-4

Surface functionalized carbon nanofibers and their effect on the dispersion and tribological property of epoxy nanocomposites

Yanji Zhu, Huaiyuan Wang, Haiyan Li, Jiahua Zhu

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

8 Scopus citations

Abstract

Surface functionalization of carbon nanofibers (CNFs) was carried out, i e, CNFs were firstly oxidized and then the surface was silanized by 3-Aminopropyltriethoxysilane (APTES) via an assembly method. A new kind of high wear resistance s-CNFs/epoxy composite was fabricated by in-situ reaction. FTIR spectroscopy was used to detect the changes of the functional groups produced by silane on the surface of CNFs. The tribological properties and microstructures of modified and unmodified CNFs/epoxy composites were studied, respectively. The expremental results indicate that APTES is covalently linked to the surface of CNFs successfully and improves the dispersion of CNF in epoxy matrix. The friction coefficients and the wear rates of s-CNFs/epoxy composites are evidently lower than those of u-CNFs/epoxy composites under the same loads. Investigations also indicate that abrasive wear is the main wear mechanism for u-CNFs/epoxy composite, with slight adhesive wear for s-CNFs/epoxy composite under the same sliding wear condition.

Original language	English
Pages (from-to)	1219-1225
Number of pages	7
Journal	Journal Wuhan University of Technology, Materials Science Edition
Volume	31
Issue number	6
DOIs	https://doi.org/10.1007/s11595-016-1515-4
State	Published - 1 Dec 2016
Externally published	Yes

Keywords

carbon nanofibers
friction and wear
morphology
polymer-matrix composites
surfaces functionalization

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10.1007/s11595-016-1515-4

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title = "Surface functionalized carbon nanofibers and their effect on the dispersion and tribological property of epoxy nanocomposites",

abstract = "Surface functionalization of carbon nanofibers (CNFs) was carried out, i e, CNFs were firstly oxidized and then the surface was silanized by 3-Aminopropyltriethoxysilane (APTES) via an assembly method. A new kind of high wear resistance s-CNFs/epoxy composite was fabricated by in-situ reaction. FTIR spectroscopy was used to detect the changes of the functional groups produced by silane on the surface of CNFs. The tribological properties and microstructures of modified and unmodified CNFs/epoxy composites were studied, respectively. The expremental results indicate that APTES is covalently linked to the surface of CNFs successfully and improves the dispersion of CNF in epoxy matrix. The friction coefficients and the wear rates of s-CNFs/epoxy composites are evidently lower than those of u-CNFs/epoxy composites under the same loads. Investigations also indicate that abrasive wear is the main wear mechanism for u-CNFs/epoxy composite, with slight adhesive wear for s-CNFs/epoxy composite under the same sliding wear condition.",

keywords = "carbon nanofibers, friction and wear, morphology, polymer-matrix composites, surfaces functionalization",

author = "Yanji Zhu and Huaiyuan Wang and Haiyan Li and Jiahua Zhu",

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doi = "10.1007/s11595-016-1515-4",

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T1 - Surface functionalized carbon nanofibers and their effect on the dispersion and tribological property of epoxy nanocomposites

AU - Zhu, Yanji

AU - Wang, Huaiyuan

AU - Li, Haiyan

AU - Zhu, Jiahua

PY - 2016/12/1

Y1 - 2016/12/1

N2 - Surface functionalization of carbon nanofibers (CNFs) was carried out, i e, CNFs were firstly oxidized and then the surface was silanized by 3-Aminopropyltriethoxysilane (APTES) via an assembly method. A new kind of high wear resistance s-CNFs/epoxy composite was fabricated by in-situ reaction. FTIR spectroscopy was used to detect the changes of the functional groups produced by silane on the surface of CNFs. The tribological properties and microstructures of modified and unmodified CNFs/epoxy composites were studied, respectively. The expremental results indicate that APTES is covalently linked to the surface of CNFs successfully and improves the dispersion of CNF in epoxy matrix. The friction coefficients and the wear rates of s-CNFs/epoxy composites are evidently lower than those of u-CNFs/epoxy composites under the same loads. Investigations also indicate that abrasive wear is the main wear mechanism for u-CNFs/epoxy composite, with slight adhesive wear for s-CNFs/epoxy composite under the same sliding wear condition.

AB - Surface functionalization of carbon nanofibers (CNFs) was carried out, i e, CNFs were firstly oxidized and then the surface was silanized by 3-Aminopropyltriethoxysilane (APTES) via an assembly method. A new kind of high wear resistance s-CNFs/epoxy composite was fabricated by in-situ reaction. FTIR spectroscopy was used to detect the changes of the functional groups produced by silane on the surface of CNFs. The tribological properties and microstructures of modified and unmodified CNFs/epoxy composites were studied, respectively. The expremental results indicate that APTES is covalently linked to the surface of CNFs successfully and improves the dispersion of CNF in epoxy matrix. The friction coefficients and the wear rates of s-CNFs/epoxy composites are evidently lower than those of u-CNFs/epoxy composites under the same loads. Investigations also indicate that abrasive wear is the main wear mechanism for u-CNFs/epoxy composite, with slight adhesive wear for s-CNFs/epoxy composite under the same sliding wear condition.

KW - carbon nanofibers

KW - friction and wear

KW - morphology

KW - polymer-matrix composites

KW - surfaces functionalization

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DO - 10.1007/s11595-016-1515-4

M3 - 文章

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JO - Journal Wuhan University of Technology, Materials Science Edition

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ER -

Surface functionalized carbon nanofibers and their effect on the dispersion and tribological property of epoxy nanocomposites

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