The onset of mixed-mode intralaminar cracking in a cross-ply composite laminate

J. Andersons; E. Spārniņš; R. Joffe

doi:10.1007/s11029-009-9055-z

The onset of mixed-mode intralaminar cracking in a cross-ply composite laminate

J. Andersons^*
, E. Spārniņš
, R. Joffe

^*Corresponding author for this work

Luleå University of Technology

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

8 Citations (Scopus)

Abstract

The intralaminar fracture toughness of a unidirectionally reinforced glass/epoxy composite is determined experimentally at several mode I and mode II loading ratios. The crack propagation criterion, expressed as a quadratic form in terms of single-mode stress intensity factors (alternatively, linear in terms of energy release rates), approximates the test results reasonably well. The mixed-mode cracking criterion obtained is used to predict the intralaminar crack on set in a cross-ply glass/epoxy composite under off-axis tensile loading.

Original language	English
Pages (from-to)	549-556
Number of pages	8
Journal	Mechanics of Composite Materials
Volume	44
Issue number	6
DOIs	https://doi.org/10.1007/s11029-009-9055-z
Publication status	Published - Dec 2008

Keywords

Fracture toughness
Intralaminar cracking
Laminates
Mixed-mode loading
Polymer-matrix composites

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10.1007/s11029-009-9055-z

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abstract = "The intralaminar fracture toughness of a unidirectionally reinforced glass/epoxy composite is determined experimentally at several mode I and mode II loading ratios. The crack propagation criterion, expressed as a quadratic form in terms of single-mode stress intensity factors (alternatively, linear in terms of energy release rates), approximates the test results reasonably well. The mixed-mode cracking criterion obtained is used to predict the intralaminar crack on set in a cross-ply glass/epoxy composite under off-axis tensile loading.",

keywords = "Fracture toughness, Intralaminar cracking, Laminates, Mixed-mode loading, Polymer-matrix composites",

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AU - Spārniņš, E.

AU - Joffe, R.

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N2 - The intralaminar fracture toughness of a unidirectionally reinforced glass/epoxy composite is determined experimentally at several mode I and mode II loading ratios. The crack propagation criterion, expressed as a quadratic form in terms of single-mode stress intensity factors (alternatively, linear in terms of energy release rates), approximates the test results reasonably well. The mixed-mode cracking criterion obtained is used to predict the intralaminar crack on set in a cross-ply glass/epoxy composite under off-axis tensile loading.

AB - The intralaminar fracture toughness of a unidirectionally reinforced glass/epoxy composite is determined experimentally at several mode I and mode II loading ratios. The crack propagation criterion, expressed as a quadratic form in terms of single-mode stress intensity factors (alternatively, linear in terms of energy release rates), approximates the test results reasonably well. The mixed-mode cracking criterion obtained is used to predict the intralaminar crack on set in a cross-ply glass/epoxy composite under off-axis tensile loading.

KW - Fracture toughness

KW - Intralaminar cracking

KW - Laminates

KW - Mixed-mode loading

KW - Polymer-matrix composites

UR - https://www.scopus.com/pages/publications/59449101713

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SP - 549

EP - 556

JO - Mechanics of Composite Materials

JF - Mechanics of Composite Materials

IS - 6

ER -

The onset of mixed-mode intralaminar cracking in a cross-ply composite laminate

Abstract

Keywords

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