Damage process of GFRP cross-ply laminates

Junji Noda; Tomonaga Okabe; Nobuo Takeda; Masao Shimizu

doi:10.1299/kikaia.70.1364

Damage process of GFRP cross-ply laminates

Junji Noda, Tomonaga Okabe, Nobuo Takeda, Masao Shimizu

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

2 Citations (Scopus)

Abstract

The failure process of GFRP cross-ply laminates (up to final failure) is studied. In situ observations of ply cracks during tensile tests are carried out to obtain the damage process of the cross-ply laminates. Based on these experimental results, we propose a numerical simulation to investigate the damage process. In the present model, a ply crack is expressed by the cohesive element. Consequently, the stress-strain relationship and the density of ply cracks are simulated by choosing the strength and the critical energy release rate of the cohesive element.

Original language	English
Pages (from-to)	1364-1369
Number of pages	6
Journal	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	70
Issue number	10
DOIs	https://doi.org/10.1299/kikaia.70.1364
Publication status	Published - 2004 Oct
Externally published	Yes

Keywords

Composite Material
Crack Propagation
Finite Element Method
Monte Carlo Simulation

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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AU - Noda, Junji

AU - Okabe, Tomonaga

AU - Takeda, Nobuo

AU - Shimizu, Masao

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Y1 - 2004/10

N2 - The failure process of GFRP cross-ply laminates (up to final failure) is studied. In situ observations of ply cracks during tensile tests are carried out to obtain the damage process of the cross-ply laminates. Based on these experimental results, we propose a numerical simulation to investigate the damage process. In the present model, a ply crack is expressed by the cohesive element. Consequently, the stress-strain relationship and the density of ply cracks are simulated by choosing the strength and the critical energy release rate of the cohesive element.

AB - The failure process of GFRP cross-ply laminates (up to final failure) is studied. In situ observations of ply cracks during tensile tests are carried out to obtain the damage process of the cross-ply laminates. Based on these experimental results, we propose a numerical simulation to investigate the damage process. In the present model, a ply crack is expressed by the cohesive element. Consequently, the stress-strain relationship and the density of ply cracks are simulated by choosing the strength and the critical energy release rate of the cohesive element.

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KW - Crack Propagation

KW - Finite Element Method

KW - Monte Carlo Simulation

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Damage process of GFRP cross-ply laminates

Abstract

Keywords

ASJC Scopus subject areas

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