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Journals / Research on Engineering Structures and Materials / 2018 / Cilt: 4 - Sayı: 4

The design of multi-sample flexural fatigue device and fatigue behavior of glass/epoxy laminated composites

H. Ersen BALCIOĞLU
RAİF SAKİN
Halit GUN
Pages
279–296
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Also, it has been seen that, the developed fixed end type flexural fatigue test machine can be used to determine fatigue behavior of thinwalled composite materials.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Due to fiber reinforced polymer composite materials have a brittle structure, it is important to know their behavior under dynamic loads.
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Key Findings & Data:For this aim, computer controlled fixed end type flexural fatigue test machine was developed and glass/epoxy test samples were tested under flexural stress corresponding to 80%, 70%, %60, %50, and %40 of the static 3-point bending strength.
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Conclusion & Impact:Also, it has been seen that, the developed fixed end type flexural fatigue test machine can be used to determine fatigue behavior of thinwalled composite materials.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Özet

Due to fiber reinforced polymer composite materials have a brittle structure, it is important to know their behavior under dynamic loads. Therefore, it is necessary to know the S-N curve that characterizes the fatigue life of the composite material, when selecting and sizing the material. In this study, fatigue behavior of glass/epoxy laminated composites was investigated under flexural loading. For this aim, computer controlled fixed end type flexural fatigue test machine was developed and glass/epoxy test samples were tested under flexural stress corresponding to 80%, 70%, %60, %50, and %40 of the static 3-point bending strength. In addition, the static strengths of the epoxy-laminated composites under tensile, compressive and flexural loads were also determined. It has been observed that the damage such as matrix and fiber cracks and delamination in the glass/epoxy laminated composites, which were exposed to flexural deformation. Also, it has been seen that, the developed fixed end type flexural fatigue test machine can be used to determine fatigue behavior of thinwalled composite materials.

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Cite This Article

BALCIOĞLU, H. E., SAKİN, R., GUN, H. (2018). The design of multi-sample flexural fatigue device and fatigue behavior of glass/epoxy laminated composites. Research on Engineering Structures and Materials, Cilt: 4 - Sayı: 4, 279–296. https://ajindex.com/articles/302660

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