Pseudo-ductility by fragmentation of central unidirectional plies in thin CFRP angle-ply laminates

J. D. Fuller; M. Jalalvand; M. R. Wisnom

Pseudo-ductility by fragmentation of central unidirectional plies in thin CFRP angle-ply laminates

J. D. Fuller^*, M. Jalalvand, M. R. Wisnom

^*Corresponding author for this work

Mechanical And Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

5 Citations (Scopus)

Abstract

Pseudo-ductile metal-like tensile stress-strain responses with 700 MPa "yield stress" plateau and 4.0% failure strain have been achieved experimentally using thin-ply carbon epoxy prepreg and [+26_n/0]S (n = 8 and 10) layups. Analysis of tested specimens has been conducted using microscopy and ultrasonic C-scan. These show that periodic fibre breakages in the 0° plies lead to local delaminations that propagate along the 0°/ - 26° interfaces. This gradual failure process of fragmentation and dispersed local delamination allows the demonstrated pseudo-ductile strains.

Original language	English
Title of host publication	16th European Conference on Composite Materials, ECCM 2014
Number of pages	9
ISBN (Electronic)	9780000000002
Publication status	Published - 2014
Event	16th European Conference on Composite Materials, ECCM 2014 - Seville, Spain Duration: 22 Jun 2014 → 26 Jun 2014

Conference

Conference	16th European Conference on Composite Materials, ECCM 2014
Country/Territory	Spain
City	Seville
Period	22/06/14 → 26/06/14

Keywords

carbon fibre
delamination
pseudo-ductility
thin ply
strain

Cite this

@inproceedings{dad8019aa75b43479b049fd785736987,

title = "Pseudo-ductility by fragmentation of central unidirectional plies in thin CFRP angle-ply laminates",

abstract = "Pseudo-ductile metal-like tensile stress-strain responses with 700 MPa {"}yield stress{"} plateau and 4.0% failure strain have been achieved experimentally using thin-ply carbon epoxy prepreg and [+26n/0]S (n = 8 and 10) layups. Analysis of tested specimens has been conducted using microscopy and ultrasonic C-scan. These show that periodic fibre breakages in the 0° plies lead to local delaminations that propagate along the 0°/ - 26° interfaces. This gradual failure process of fragmentation and dispersed local delamination allows the demonstrated pseudo-ductile strains.",

keywords = "carbon fibre, delamination, pseudo-ductility, thin ply, strain",

author = "Fuller, {J. D.} and M. Jalalvand and Wisnom, {M. R.}",

year = "2014",

language = "English",

booktitle = "16th European Conference on Composite Materials, ECCM 2014",

note = "16th European Conference on Composite Materials, ECCM 2014 ; Conference date: 22-06-2014 Through 26-06-2014",

}

TY - GEN

T1 - Pseudo-ductility by fragmentation of central unidirectional plies in thin CFRP angle-ply laminates

AU - Fuller, J. D.

AU - Jalalvand, M.

AU - Wisnom, M. R.

PY - 2014

Y1 - 2014

N2 - Pseudo-ductile metal-like tensile stress-strain responses with 700 MPa "yield stress" plateau and 4.0% failure strain have been achieved experimentally using thin-ply carbon epoxy prepreg and [+26n/0]S (n = 8 and 10) layups. Analysis of tested specimens has been conducted using microscopy and ultrasonic C-scan. These show that periodic fibre breakages in the 0° plies lead to local delaminations that propagate along the 0°/ - 26° interfaces. This gradual failure process of fragmentation and dispersed local delamination allows the demonstrated pseudo-ductile strains.

AB - Pseudo-ductile metal-like tensile stress-strain responses with 700 MPa "yield stress" plateau and 4.0% failure strain have been achieved experimentally using thin-ply carbon epoxy prepreg and [+26n/0]S (n = 8 and 10) layups. Analysis of tested specimens has been conducted using microscopy and ultrasonic C-scan. These show that periodic fibre breakages in the 0° plies lead to local delaminations that propagate along the 0°/ - 26° interfaces. This gradual failure process of fragmentation and dispersed local delamination allows the demonstrated pseudo-ductile strains.

KW - carbon fibre

KW - delamination

KW - pseudo-ductility

KW - thin ply

KW - strain

UR - http://www.scopus.com/inward/record.url?scp=84915749403&partnerID=8YFLogxK

M3 - Conference contribution book

AN - SCOPUS:84915749403

BT - 16th European Conference on Composite Materials, ECCM 2014

T2 - 16th European Conference on Composite Materials, ECCM 2014

Y2 - 22 June 2014 through 26 June 2014

ER -

Pseudo-ductility by fragmentation of central unidirectional plies in thin CFRP angle-ply laminates

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Conference

Keywords

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