Damage Assessment of Composite Structures Using Digital Image Correlation

Caminero, M.A.; Lopez‐Pedrosa, M.; Pinna, C.; Soutis, Constantinos

doi:10.1007/s10443-013-9352-5

Cited by 48 publications

(27 citation statements)

References 46 publications

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“…[18][19][20][21] The GOM -ARAMIS 3-dimensional DIC system used consisted of two cameras (controlled by the ARAMIS software) and was set to calculate the strain data at approximately 1 mm intervals across the surface of 7 the specimens. The DIC analysis was conducted using facet settings of 19 x 19 pixels with 2 pixel overlap.…”

Section: Test Methodsmentioning

confidence: 99%

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Investigation into the mechanical properties of thermoplastic composites containing holes machined by a thermally-assisted piercing (TAP) process

Brown

Worrall

Ogin

et al. 2015

Advanced Manufacturing: Polymer & Composites Science

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A thermally-assisted piercing (TAP) process has been investigated as an alternative to current methods of machining holes in thermoplastic composites.The spike force/displacement responses during piercing were affected by both the processing temperature and the size of the heated area, as were the resultant microstructure and subsequent mechanical performance. Overall, the results suggest that for advanced manufacturing of thermoplastic composites, good tensile and compressive open-hole properties are produced in the TAP process when using small heated areas and higher temperatures.

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Section: Test Methodsmentioning

confidence: 99%

“…For both tension and compression loading, the drilled specimens show an increased longitudinal strain near the hole edge, reflecting the effect of the strain concentration at the hole, as found in previous studies. 20,21 For the TAP specimen, fiber continuity around the hole (shown schematically in Fig. 10) reduces the stress concentration.…”

Section: 3mentioning

confidence: 99%

Investigation into the mechanical properties of thermoplastic composites containing holes machined by a thermally-assisted piercing (TAP) process

Brown

Worrall

Ogin

et al. 2015

Advanced Manufacturing: Polymer & Composites Science

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“…Many composite structures contain holes for joining purposes and open cut-outs for access [1]. When they are subjected to thermo-mechanical loadings, the damage mechanisms taking place within these structures significantly depend on the constitutive materials (matrix and fibers nature), the type of reinforcement (unidirectional tape or woven fabrics), as well as the testing conditions (type of loading -tensile or compressive -monotonic or cycling loading, loading rate, temperature…).…”

Section: Introductionmentioning

confidence: 99%

Prediction of the notched strength of woven-ply PolyPhenylene Sulfide thermoplastic composites at a constant high temperature by a physically-based model

Vieille

Chabchoub

Bouscarrat

et al. 2016

Composite Structures

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“…Using the full-field measurement, both the local mechanical properties (stress concentration, shear damage, and fracture behavior) and the globe properties (notch sensitivity and tensile behavior) were studied. Caminero et al [7] also used DIC to assess the damage taking place in composite plates with an open hole loaded in tension as well as to investigate the damage and performance of adhesively bonded patch repairs in composite panels under tension loading. They compared the stress concentration factors obtained analytically using the elastic solution of an infinite orthotropic plate containing a hole with the experimental results obtained from DIC measurements.…”

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confidence: 99%

Experimental and Numerical Analysis of Notched Composites Under Tension Loading

Aidi

Case

2015

Appl Compos Mater

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Experimental quasi-static tests were performed on center notched carbon fiber reinforced polymer (CFRP) composites having different stacking sequences made of G40-600/5245C prepreg. The three-dimensional Digital Image Correlation (DIC) technique was used during quasi-static tests conducted on quasi-isotropic notched samples to obtain the distribution of strains as a function of applied stress. A finite element model was built within Abaqus to predict the notched strength and the strain profiles for comparison with measured results. A user-material subroutine using the multi-continuum theory (MCT) as a failure initiation criterion and an energy-based damage evolution law as implemented by Autodesk Simulation Composite Analysis (ASCA) was used to conduct a quantitative comparison of strain components predicted by the analysis and obtained in the experiments. Good agreement between experimental data and numerical analyses results are observed. Modal analysis was carried out to investigate the effect of static damage on the dominant frequencies of the notched structure using the resulted degraded material elements. The first in-plane mode was found to be a good candidate for tracking the level of damage.

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Damage Assessment of Composite Structures Using Digital Image Correlation

Cited by 48 publications

References 46 publications

Investigation into the mechanical properties of thermoplastic composites containing holes machined by a thermally-assisted piercing (TAP) process

Investigation into the mechanical properties of thermoplastic composites containing holes machined by a thermally-assisted piercing (TAP) process

Prediction of the notched strength of woven-ply PolyPhenylene Sulfide thermoplastic composites at a constant high temperature by a physically-based model

Experimental and Numerical Analysis of Notched Composites Under Tension Loading

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