Simulation of fatigue performance of cross-ply composite laminates

Xiaoxue Diao; Lin Ye; Yiu Wing Mai

doi:10.1007/BF00133682

Simulation of fatigue performance of cross-ply composite laminates

Xiaoxue Diao, Lin Ye, Yiu Wing Mai

Research output: Journal article publication › Journal article › Academic research › peer-review

14 Citations (Scopus)

Abstract

The fatigue life of cross-ply composite laminates was evaluated using a statistical model. A modified shear-lag analysis was applied to describe the cycle-number-dependent stiffness reduction and consequent stress redistribution processes in the laminates resulted from both progressive transverse matrix cracking in transverse plies and local delamination at tips of transverse cracks. From the strength degradation behaviour and the static strength distribution of 0° plies as well as the fatigue behaviour of 90° plies, the fatigue life of cross-ply laminates with various types of lay-up can be simulated from the model. Predictions of fatigue performance are compared with experimental data for [0/90₂]_s, [0₂/90₂]_s and [0₂/90₄]_s graphite/epoxy cross-ply laminates: good agreements are obtained.

Original language	English
Pages (from-to)	391-406
Number of pages	16
Journal	Applied Composite Materials
Volume	3
Issue number	6
DOIs	https://doi.org/10.1007/BF00133682
Publication status	Published - 1996
Externally published	Yes

Keywords

Composite laminate
Delamination
Fatigue life
Matrix cracking
Stress redistribution

ASJC Scopus subject areas

Ceramics and Composites

More information

10.1007/BF00133682

Cite this

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abstract = "The fatigue life of cross-ply composite laminates was evaluated using a statistical model. A modified shear-lag analysis was applied to describe the cycle-number-dependent stiffness reduction and consequent stress redistribution processes in the laminates resulted from both progressive transverse matrix cracking in transverse plies and local delamination at tips of transverse cracks. From the strength degradation behaviour and the static strength distribution of 0° plies as well as the fatigue behaviour of 90° plies, the fatigue life of cross-ply laminates with various types of lay-up can be simulated from the model. Predictions of fatigue performance are compared with experimental data for [0/902]s, [02/902]s and [02/904]s graphite/epoxy cross-ply laminates: good agreements are obtained.",

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AU - Diao, Xiaoxue

AU - Ye, Lin

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AB - The fatigue life of cross-ply composite laminates was evaluated using a statistical model. A modified shear-lag analysis was applied to describe the cycle-number-dependent stiffness reduction and consequent stress redistribution processes in the laminates resulted from both progressive transverse matrix cracking in transverse plies and local delamination at tips of transverse cracks. From the strength degradation behaviour and the static strength distribution of 0° plies as well as the fatigue behaviour of 90° plies, the fatigue life of cross-ply laminates with various types of lay-up can be simulated from the model. Predictions of fatigue performance are compared with experimental data for [0/902]s, [02/902]s and [02/904]s graphite/epoxy cross-ply laminates: good agreements are obtained.

KW - Composite laminate

KW - Delamination

KW - Fatigue life

KW - Matrix cracking

KW - Stress redistribution

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SP - 391

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JO - Applied Composite Materials

JF - Applied Composite Materials

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ER -

Simulation of fatigue performance of cross-ply composite laminates

Abstract

Keywords

ASJC Scopus subject areas

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