Influence of reinforcement positioning on tension-tension fatigue performance of quasi-unidirectional GFRP laminates made of stitched fabrics

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

Standard

Influence of reinforcement positioning on tension-tension fatigue performance of quasi-unidirectional GFRP laminates made of stitched fabrics. / Korkiakoski, Juha; Sarlin, Essi; Suihkonen, Reija; Saarela, Olli.

julkaisussa: Composites Part B: Engineering, Vuosikerta 112, 2017, s. 38-48.

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

Harvard

APA

Vancouver

Author

Korkiakoski, Juha ; Sarlin, Essi ; Suihkonen, Reija ; Saarela, Olli. / Influence of reinforcement positioning on tension-tension fatigue performance of quasi-unidirectional GFRP laminates made of stitched fabrics. Julkaisussa: Composites Part B: Engineering. 2017 ; Vuosikerta 112. Sivut 38-48.

Bibtex - Lataa

@article{6e8ce7328a294dc58dca75b1cea38c35,
title = "Influence of reinforcement positioning on tension-tension fatigue performance of quasi-unidirectional GFRP laminates made of stitched fabrics",
abstract = "In quasi-unidirectional (quasi-UD) laminates reinforced with stitched non-crimp fabrics (NCF), axial fibre bundles in neighbouring fabrics can lie on top of each other or they may be overlapped. Also, the stitch phase can vary between the neighbouring fabrics. In this study, the effect of mutual location of axial fibre bundles and stitch phase difference on tension-tension fatigue performance of quasi-UD laminates reinforced by glass-fibres was experimentally investigated. Damage development and accumulation were monitored by photographing and thermal-imaging in the specimens` gauge section during the fatigue tests. Internal structure characterisation of the laminates based on micrographs was performed to find possible reasons that might affect the fatigue life. The study revealed that the stitch phase difference clearly affects the damage progression, fatigue life and the slope parameter of fitted S-N curves, but the effect of the mutual location of axial fibre bundles on these parameters is minor.",
keywords = "Polymer matrix composites, Fatigue, Mechanical testing, Damage accumulation",
author = "Juha Korkiakoski and Essi Sarlin and Reija Suihkonen and Olli Saarela",
year = "2017",
doi = "10.1016/j.compositesb.2016.12.017",
language = "English",
volume = "112",
pages = "38--48",
journal = "Composites Part B: Engineering",
issn = "1359-8368",
publisher = "Elsevier Limited",

}

RIS - Lataa

TY - JOUR

T1 - Influence of reinforcement positioning on tension-tension fatigue performance of quasi-unidirectional GFRP laminates made of stitched fabrics

AU - Korkiakoski, Juha

AU - Sarlin, Essi

AU - Suihkonen, Reija

AU - Saarela, Olli

PY - 2017

Y1 - 2017

N2 - In quasi-unidirectional (quasi-UD) laminates reinforced with stitched non-crimp fabrics (NCF), axial fibre bundles in neighbouring fabrics can lie on top of each other or they may be overlapped. Also, the stitch phase can vary between the neighbouring fabrics. In this study, the effect of mutual location of axial fibre bundles and stitch phase difference on tension-tension fatigue performance of quasi-UD laminates reinforced by glass-fibres was experimentally investigated. Damage development and accumulation were monitored by photographing and thermal-imaging in the specimens` gauge section during the fatigue tests. Internal structure characterisation of the laminates based on micrographs was performed to find possible reasons that might affect the fatigue life. The study revealed that the stitch phase difference clearly affects the damage progression, fatigue life and the slope parameter of fitted S-N curves, but the effect of the mutual location of axial fibre bundles on these parameters is minor.

AB - In quasi-unidirectional (quasi-UD) laminates reinforced with stitched non-crimp fabrics (NCF), axial fibre bundles in neighbouring fabrics can lie on top of each other or they may be overlapped. Also, the stitch phase can vary between the neighbouring fabrics. In this study, the effect of mutual location of axial fibre bundles and stitch phase difference on tension-tension fatigue performance of quasi-UD laminates reinforced by glass-fibres was experimentally investigated. Damage development and accumulation were monitored by photographing and thermal-imaging in the specimens` gauge section during the fatigue tests. Internal structure characterisation of the laminates based on micrographs was performed to find possible reasons that might affect the fatigue life. The study revealed that the stitch phase difference clearly affects the damage progression, fatigue life and the slope parameter of fitted S-N curves, but the effect of the mutual location of axial fibre bundles on these parameters is minor.

KW - Polymer matrix composites

KW - Fatigue

KW - Mechanical testing

KW - Damage accumulation

U2 - 10.1016/j.compositesb.2016.12.017

DO - 10.1016/j.compositesb.2016.12.017

M3 - Article

VL - 112

SP - 38

EP - 48

JO - Composites Part B: Engineering

JF - Composites Part B: Engineering

SN - 1359-8368

ER -

ID: 9599502