Influence of the carbon fiber surface properties on interfacial adhesion in carbon fiber-acrylate composites cured by electron beam

F. Vautard; P. Fioux; L. Vidal; J. Schultz; M. Nardin; B. Defoort

doi:10.1016/j.compositesa.2011.03.015

Influence of the carbon fiber surface properties on interfacial adhesion in carbon fiber-acrylate composites cured by electron beam

F. Vautard
, P. Fioux
, L. Vidal
, J. Schultz
, M. Nardin
, B. Defoort

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

55 Scopus citations

Abstract

Two different commercial references of oxidized carbon fibers were used to investigate the influence of different oxidation surface treatments on the interfacial adhesion with an acrylate resin cured by electron beam. For each type of fiber, a characterization of the topography and the chemistry of the surface was done. The 90° flexural strength of unidirectional composites was measured in order to assess interfacial adhesion. Low values were obtained for both types of fibers, which could be explained by the creation of a weak interphase, which was highlighted by a dramatic improvement of the flexural strength after a post-cure. That interphase could be the origin of the low transverse mechanical properties of electron beam cured composites.

Original language	English
Pages (from-to)	859-867
Number of pages	9
Journal	Composites - Part A: Applied Science and Manufacturing
Volume	42
Issue number	7
DOIs	https://doi.org/10.1016/j.compositesa.2011.03.015
State	Published - Jul 2011
Externally published	Yes

Funding

ANRT (Association Nationale pour la Recherche Technique) is gratefully acknowledged for the PhD grants assigned to F. Vautard. X. Dupont and M. Frayssines from EADS are also acknowledged for conducting the electron beam curing UNIPOLIS facility.

Keywords

A. Carbon fiber
A. Polymer-matrix composites (PMCs)
B. Fiber/matrix bond
B. Interface

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10.1016/j.compositesa.2011.03.015

Cite this

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abstract = "Two different commercial references of oxidized carbon fibers were used to investigate the influence of different oxidation surface treatments on the interfacial adhesion with an acrylate resin cured by electron beam. For each type of fiber, a characterization of the topography and the chemistry of the surface was done. The 90° flexural strength of unidirectional composites was measured in order to assess interfacial adhesion. Low values were obtained for both types of fibers, which could be explained by the creation of a weak interphase, which was highlighted by a dramatic improvement of the flexural strength after a post-cure. That interphase could be the origin of the low transverse mechanical properties of electron beam cured composites.",

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AU - Vautard, F.

AU - Fioux, P.

AU - Vidal, L.

AU - Schultz, J.

AU - Nardin, M.

AU - Defoort, B.

PY - 2011/7

Y1 - 2011/7

N2 - Two different commercial references of oxidized carbon fibers were used to investigate the influence of different oxidation surface treatments on the interfacial adhesion with an acrylate resin cured by electron beam. For each type of fiber, a characterization of the topography and the chemistry of the surface was done. The 90° flexural strength of unidirectional composites was measured in order to assess interfacial adhesion. Low values were obtained for both types of fibers, which could be explained by the creation of a weak interphase, which was highlighted by a dramatic improvement of the flexural strength after a post-cure. That interphase could be the origin of the low transverse mechanical properties of electron beam cured composites.

AB - Two different commercial references of oxidized carbon fibers were used to investigate the influence of different oxidation surface treatments on the interfacial adhesion with an acrylate resin cured by electron beam. For each type of fiber, a characterization of the topography and the chemistry of the surface was done. The 90° flexural strength of unidirectional composites was measured in order to assess interfacial adhesion. Low values were obtained for both types of fibers, which could be explained by the creation of a weak interphase, which was highlighted by a dramatic improvement of the flexural strength after a post-cure. That interphase could be the origin of the low transverse mechanical properties of electron beam cured composites.

KW - A. Carbon fiber

KW - A. Polymer-matrix composites (PMCs)

KW - B. Fiber/matrix bond

KW - B. Interface

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JF - Composites - Part A: Applied Science and Manufacturing

IS - 7

ER -

Influence of the carbon fiber surface properties on interfacial adhesion in carbon fiber-acrylate composites cured by electron beam

Abstract

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Keywords

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