The interlaminar fracture toughness of carbon/epoxy laminates interleaved with polyamide particle layers

W. T. Wang; H. Yu; K. Potter; B. C. Kim

The interlaminar fracture toughness of carbon/epoxy laminates interleaved with polyamide particle layers

W. T. Wang, H. Yu, K. Potter, B. C. Kim

University of Bristol

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

Abstract

Toughening epoxy based composite materials using thermoplastic particles is a cost-effective approach to improve their poor delamination resistance. In this paper, the interlaminar toughening effect of different thermoplastic microparticles such as polyamide-6 and polyamide-12 particles for a carbon fibre/epoxy composite was investigated. The particles with a range of different areal weights were directly deposited on the prepreg surface to toughen the interlaminar region of the cured laminate samples. From the scanning electron microscope (SEM) observations, it was found that the effects of the three thermoplastic particles on the interlaminar fracture behaviour were different. It was also found that the particle areal weight affected the Mode-I fracture toughness differently depending on the particle material. In some cases, no toughening effect was observed.

Original language	English
Title of host publication	ECCM 2018 - 18th European Conference on Composite Materials
Publisher	Applied Mechanics Laboratory
ISBN (Electronic)	9781510896932
Publication status	Published - 28 Jun 2018
Event	18th European Conference on Composite Materials, ECCM 2018 - Athens, Greece Duration: 24 Jun 2018 → 28 Jun 2018

Publication series

Name	ECCM 2018 - 18th European Conference on Composite Materials

Conference

Conference	18th European Conference on Composite Materials, ECCM 2018
Country/Territory	Greece
City	Athens
Period	24/06/18 → 28/06/18

Bibliographical note

Funding Information:
This work was supported by the Engineering and Physical Sciences Research Council through the EPSRC Centre for Doctoral Training in Advanced Composites for Innovation and Science [grant number EP/L016028/1]. We thank the Polyamide Polymers Department of Toray Industries in Japan who provided the materials for this work.

Publisher Copyright:
© CCM 2020 - 18th European Conference on Composite Materials. All rights reserved.

Keywords

Fracture toughness
Interface
Interleaving particles
Polyamide particles

ASJC Scopus subject areas

Ceramics and Composites

Cite this

The interlaminar fracture toughness of carbon/epoxy laminates interleaved with polyamide particle layers. / Wang, W. T.; Yu, H.; Potter, K. et al.
ECCM 2018 - 18th European Conference on Composite Materials. Applied Mechanics Laboratory, 2018. (ECCM 2018 - 18th European Conference on Composite Materials).

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

Wang, WT , Yu, H, Potter, K & Kim, BC 2018, The interlaminar fracture toughness of carbon/epoxy laminates interleaved with polyamide particle layers. in ECCM 2018 - 18th European Conference on Composite Materials. ECCM 2018 - 18th European Conference on Composite Materials, Applied Mechanics Laboratory, 18th European Conference on Composite Materials, ECCM 2018, Athens, Greece, 24/06/18.

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abstract = "Toughening epoxy based composite materials using thermoplastic particles is a cost-effective approach to improve their poor delamination resistance. In this paper, the interlaminar toughening effect of different thermoplastic microparticles such as polyamide-6 and polyamide-12 particles for a carbon fibre/epoxy composite was investigated. The particles with a range of different areal weights were directly deposited on the prepreg surface to toughen the interlaminar region of the cured laminate samples. From the scanning electron microscope (SEM) observations, it was found that the effects of the three thermoplastic particles on the interlaminar fracture behaviour were different. It was also found that the particle areal weight affected the Mode-I fracture toughness differently depending on the particle material. In some cases, no toughening effect was observed.",

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AU - Potter, K.

AU - Kim, B. C.

N1 - Funding Information: This work was supported by the Engineering and Physical Sciences Research Council through the EPSRC Centre for Doctoral Training in Advanced Composites for Innovation and Science [grant number EP/L016028/1]. We thank the Polyamide Polymers Department of Toray Industries in Japan who provided the materials for this work. Publisher Copyright: © CCM 2020 - 18th European Conference on Composite Materials. All rights reserved.

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N2 - Toughening epoxy based composite materials using thermoplastic particles is a cost-effective approach to improve their poor delamination resistance. In this paper, the interlaminar toughening effect of different thermoplastic microparticles such as polyamide-6 and polyamide-12 particles for a carbon fibre/epoxy composite was investigated. The particles with a range of different areal weights were directly deposited on the prepreg surface to toughen the interlaminar region of the cured laminate samples. From the scanning electron microscope (SEM) observations, it was found that the effects of the three thermoplastic particles on the interlaminar fracture behaviour were different. It was also found that the particle areal weight affected the Mode-I fracture toughness differently depending on the particle material. In some cases, no toughening effect was observed.

AB - Toughening epoxy based composite materials using thermoplastic particles is a cost-effective approach to improve their poor delamination resistance. In this paper, the interlaminar toughening effect of different thermoplastic microparticles such as polyamide-6 and polyamide-12 particles for a carbon fibre/epoxy composite was investigated. The particles with a range of different areal weights were directly deposited on the prepreg surface to toughen the interlaminar region of the cured laminate samples. From the scanning electron microscope (SEM) observations, it was found that the effects of the three thermoplastic particles on the interlaminar fracture behaviour were different. It was also found that the particle areal weight affected the Mode-I fracture toughness differently depending on the particle material. In some cases, no toughening effect was observed.

KW - Fracture toughness

KW - Interface

KW - Interleaving particles

KW - Polyamide particles

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BT - ECCM 2018 - 18th European Conference on Composite Materials

PB - Applied Mechanics Laboratory

T2 - 18th European Conference on Composite Materials, ECCM 2018

Y2 - 24 June 2018 through 28 June 2018

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The interlaminar fracture toughness of carbon/epoxy laminates interleaved with polyamide particle layers

Abstract

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Bibliographical note

Keywords

ASJC Scopus subject areas

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