Fatigue life of thermoset composite materials

This article deals with the lifetime of laminated materials produced by different production technologies (hand lamination technology, vacuum bagging technology and prepreg technology with curing in the oven) during cyclic repeated bending stress. Like tested materials composite systems were chosen...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-01, Vol.726 (1), p.12016
Main Authors: Zaludek, M, Rusnakova, S, Kubisova, M, Bilek, O, Karvanis, K
Format: Article
Language:English
Subjects:
Bend tests
Bending fatigue
Bending machines
Bending stresses
Composite materials
Cyclic loads
Epoxy resins
Fatigue life
Fatigue tests
Glass fiber reinforced plastics
Glass-epoxy composites
Polymer matrix composites
Thermosetting resins
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Summary:This article deals with the lifetime of laminated materials produced by different production technologies (hand lamination technology, vacuum bagging technology and prepreg technology with curing in the oven) during cyclic repeated bending stress. Like tested materials composite systems were chosen composite systems with epoxy matrix and carbon reinforcement (Kordcarbon CC200T, epoxy resin with trade name L285) and second composite epoxy system with glass reinforcement (Quadra-axial glass fabric, named Saertex Q-E-820, epoxy resin Biresin CR 82 and third prepreg systems (unidirectional prepreg, trade name Deltapreg VV430U-DT860W-39% and prepreg system with glass fabric VV320P_DT806R-37%). Fatigue tests were performed by cyclic bending loads during a three-point arrangement on a universal servo-hydraulic testing machine INSTRON 8871. Experimentally the number of cycles fracture of the material was determined at 90 % and 80 % of the maximum breaking load.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/726/1/012016