Assessment of transverse impact damage in GF/EP laminates of conductive nanoparticles using electrical resistivity tomography

Donghai Zhang; Lin Ye; Dong Wang; Youhong Tang; Samir Mustapha; Yunfa Chen

doi:10.1016/j.compositesa.2012.04.012

Assessment of transverse impact damage in GF/EP laminates of conductive nanoparticles using electrical resistivity tomography

Donghai Zhang, Lin Ye, Dong Wang, Youhong Tang, Samir Mustapha, Yunfa Chen

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

70 Citations (Scopus)

Abstract

GF/EP composite laminates with an epoxy matrix modified by carbon black (CB) of 2.0 wt.% and copper chloride (CC) were manufactured by the vacuum assisted resin infusion (VARI) technique. The effects of CB nanoparticles and CC on improvement in Modes I and II interlaminar fracture toughness and impact damage resistance and on the electrical conductivity of GF/EP laminate composites were investigated. Delamination growth was calibrated by in situ electrical resistance changes during interlaminar fracture tests. The relationship between growth of delamination and change in electrical resistance was characterised. A damage index based on the change in electrical resistance was introduced, and a new method of electrical resistivity tomography was developed to access transverse impact damage in GF/EP laminates based on a matrix of conductive points in both in-plane and through-thickness directions. The damage images from in-plane and through-thickness electrical resistivity tomography were finally estimated with the corresponding C-scan.

Original language	English
Pages (from-to)	1587-1598
Number of pages	12
Journal	Composites Part A: Applied Science and Manufacturing
Volume	43
Issue number	9
DOIs	https://doi.org/10.1016/j.compositesa.2012.04.012
Publication status	Published - Sept 2012

Keywords

A. Glass fibres
A. Laminates
B. Delamination
B. Electrical properties

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10.1016/j.compositesa.2012.04.012

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title = "Assessment of transverse impact damage in GF/EP laminates of conductive nanoparticles using electrical resistivity tomography",

abstract = "GF/EP composite laminates with an epoxy matrix modified by carbon black (CB) of 2.0 wt.% and copper chloride (CC) were manufactured by the vacuum assisted resin infusion (VARI) technique. The effects of CB nanoparticles and CC on improvement in Modes I and II interlaminar fracture toughness and impact damage resistance and on the electrical conductivity of GF/EP laminate composites were investigated. Delamination growth was calibrated by in situ electrical resistance changes during interlaminar fracture tests. The relationship between growth of delamination and change in electrical resistance was characterised. A damage index based on the change in electrical resistance was introduced, and a new method of electrical resistivity tomography was developed to access transverse impact damage in GF/EP laminates based on a matrix of conductive points in both in-plane and through-thickness directions. The damage images from in-plane and through-thickness electrical resistivity tomography were finally estimated with the corresponding C-scan.",

keywords = "A. Glass fibres, A. Laminates, B. Delamination, B. Electrical properties",

author = "Donghai Zhang and Lin Ye and Dong Wang and Youhong Tang and Samir Mustapha and Yunfa Chen",

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T1 - Assessment of transverse impact damage in GF/EP laminates of conductive nanoparticles using electrical resistivity tomography

AU - Zhang, Donghai

AU - Ye, Lin

AU - Wang, Dong

AU - Tang, Youhong

AU - Mustapha, Samir

AU - Chen, Yunfa

PY - 2012/9

Y1 - 2012/9

N2 - GF/EP composite laminates with an epoxy matrix modified by carbon black (CB) of 2.0 wt.% and copper chloride (CC) were manufactured by the vacuum assisted resin infusion (VARI) technique. The effects of CB nanoparticles and CC on improvement in Modes I and II interlaminar fracture toughness and impact damage resistance and on the electrical conductivity of GF/EP laminate composites were investigated. Delamination growth was calibrated by in situ electrical resistance changes during interlaminar fracture tests. The relationship between growth of delamination and change in electrical resistance was characterised. A damage index based on the change in electrical resistance was introduced, and a new method of electrical resistivity tomography was developed to access transverse impact damage in GF/EP laminates based on a matrix of conductive points in both in-plane and through-thickness directions. The damage images from in-plane and through-thickness electrical resistivity tomography were finally estimated with the corresponding C-scan.

AB - GF/EP composite laminates with an epoxy matrix modified by carbon black (CB) of 2.0 wt.% and copper chloride (CC) were manufactured by the vacuum assisted resin infusion (VARI) technique. The effects of CB nanoparticles and CC on improvement in Modes I and II interlaminar fracture toughness and impact damage resistance and on the electrical conductivity of GF/EP laminate composites were investigated. Delamination growth was calibrated by in situ electrical resistance changes during interlaminar fracture tests. The relationship between growth of delamination and change in electrical resistance was characterised. A damage index based on the change in electrical resistance was introduced, and a new method of electrical resistivity tomography was developed to access transverse impact damage in GF/EP laminates based on a matrix of conductive points in both in-plane and through-thickness directions. The damage images from in-plane and through-thickness electrical resistivity tomography were finally estimated with the corresponding C-scan.

KW - A. Glass fibres

KW - A. Laminates

KW - B. Delamination

KW - B. Electrical properties

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DO - 10.1016/j.compositesa.2012.04.012

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VL - 43

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EP - 1598

JO - Composites Part A: Applied Science and Manufacturing

JF - Composites Part A: Applied Science and Manufacturing

IS - 9

ER -

Assessment of transverse impact damage in GF/EP laminates of conductive nanoparticles using electrical resistivity tomography

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Keywords

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