Application of total fatigue life model to T700 carbon/vinyl ester composite

Chen, Huanchun; Shivakumar, Kunigal; Abali, Felix

doi:10.1016/j.compositesb.2007.02.019

Cited by 10 publications

(3 citation statements)

References 4 publications

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“…Shivakumar, Chen, and co-workers [116,117] have proposed a number of variations of equation 37, making use of the length dependent delamination resistance G IR as proposed by Poursartip [115]. This model was applied to a T700 carbon / vinyl ester composite [145]. Reasonably good agreement was found for the loglinear growth region, though with a scatter band spanning roughly an order of magnitude.…”

Section: Full Serr Range Modelsmentioning

confidence: 93%

Methods for the prediction of fatigue delamination growth in composites and adhesive bonds – A critical review

Pascoe

Alderliesten

Benedictus

2013

Engineering Fracture Mechanics

215

145

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An overview is given of the development of methods for the prediction of fatigue driven delamination growth over the past 40 years. Four categories of methods are identified: stress/strain-based models, fracture mechanics based models, cohesive-zone models, and models using the extended finite element method. It is highlighted that most models are phenomenological, based on the observed macro-scale behaviour of test specimens. It is suggested that a more physics based approach, focusing on elucidating the mechanisms involved, is needed to come to a full understanding of the problem of delamination growth.

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Section: Full Serr Range Modelsmentioning

confidence: 93%

Methods for the prediction of fatigue delamination growth in composites and adhesive bonds – A critical review

Pascoe

Alderliesten

Benedictus

2013

Engineering Fracture Mechanics

215

145

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“…Especially for the 50 wt% layer in the multilayered composite, except for the crush of silica particles, the matrix underwent plastic deformation as well. It was reported that delamination is a major weakness of composite laminates [38]. However, this did not occur in these multilayered composites, indicating that good adhesion exists among layers arresting the delamination of the layers.…”

Section: Scanning Electron Microscopy Analysismentioning

confidence: 88%

Morphologies and mechanical properties of organic-inorganic multilayered composites

Li¹,

Suo²,

Jia³

2009

Polym Eng Sci

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Organic-inorganic composites have received increasing attention because such composites exhibit improved optical, electrical, thermal, and mechanical behaviors by combining properties of both organic polymers and inorganic compounds. However, tensile strength is enhanced generally at the cost of decreasing ductility, which is not suitable for biomedical applications where tissue-like elasticity is required. In this study, multilayered poly(vinyl alcohol) (PVA)/silica composites were synthesized, which achieved a significant enhancement in tensile strength and ductility. The chemical structure, thermal stability, and fracture morphologies of multilayered films were investigated to analyze the reinforcement mechanism. The results showed that extensive plastic tearing took place in monolayered composites with low-silica contents and in all multilayered ones, whereas the monolayered composites with high-silica contents were dominated by brittle fracture. For layered composite with 30 wt% silica in the second layer, the elongation at break is 237.8%, which is 3.21 times that of monolayered 30% SiO 2 /PVA 74.0%. Also its tensile strength is 37.8 MPa, which is 1.52 times that of monolayered 30% SiO 2 /PVA 24.8 MPa. These improved mechanical properties broaden its potential application, especially the applications of PVA in medical materials, which are intensely discussed as biomaterials. POLYM. ENG. SCI.,

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“…In the literature some authors, as Murri [23,24] and Chen [25] have normalised the fatigue data using the R-curve obtained from the quasi-static delamination tests with the aim of taking into account the fibre bridging effect on the crack tip. Yao [26] put into question this normalisation and concluded that the fibre bridging created in fatigue delamination and in quasi-static delamination is different.…”

Section: Fatigue Delamination Onsetmentioning

confidence: 99%