Assessment of contact-induced damage mechanisms in thick-walled composite cylinders

Weerts, Ruben A.J.; Cousigné, Olivier; Kunze, Klaas; Geers, M.G.D.; Remmers, Jjc Joris

doi:10.1177/0731684420923043

Cited by 11 publications

(14 citation statements)

References 20 publications

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“…Hence, the first kink in the force-displacement curve (point A in Figure 3) is thought to be caused by the initiation of delamination. This theory is supported by earlier observations in, 21 in which thick-walled short composite cylinders were loaded in a similar manner as the pressure vessels here. It was shown that the first force drop in the force-displacement curve for the samples with a wall thickness close to that of pressure vessels was accompanied with a visible growth of delamination.…”

Section: Ct Imagessupporting

confidence: 90%

The initiation and progression of damage in composite overwrapped pressure vessels subjected to contact loads

Weerts

Cousigné

Kunze

et al. 2021

Journal of Reinforced Plastics and Composites

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In order to investigate the residual strength of composite overwrapped pressure vessels subjected to impact loads, an extensive experimental study has been performed. The vessels are loaded up to different mechanical work levels (quasi-static) or with various impact energies (dynamic). After loading, the emerged damage in the pressure vessel is examined using computed tomography scans. The tests of vessels up to various energies enable us to visualize the initiation and progressive growth of damage. The overall influence of the damage is subsequently quantified by means of a burst pressure test. Accordingly, the reduction of burst pressure can be used to evaluate the global severity of the observed damage in the computed tomography scan. From the experiments, it is concluded that the first failure mechanisms, that is, delaminations, do not cause a meaningful reduction of the burst pressure. Shear bands, on the other hand, which are formed thereafter, do induce a significant decrease of the residual strength.

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Section: Ct Imagessupporting

confidence: 90%

The initiation and progression of damage in composite overwrapped pressure vessels subjected to contact loads

Weerts

Cousigné

Kunze

et al. 2021

Journal of Reinforced Plastics and Composites

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“…They offer lightweight crashworthy structures, unlike the metallic materials general use [1][2][3]. Extensive testing on different kinds of GFRP circular composite tube has demonstrated that composite materials can offer incredibly higher levels of specific energy absorption (SEA) and energy absorption capacity (Et) than their metallic co-equals [4][5][6]. Metal tubes assimilate energy through performing progressive plastic deformation, while the composite tubes absorb energy through progressive crushing mechanism showing more energy absorption compared to similar metallic tube [7].The dominant parameters in the energy absorption of composite structures consist of a type and volume fraction of thefiber and matrix, geometrical shapes, layering configuration andmanufacturing conditions [8,9].Energy absorbers can take various forms, such as circular tubes [10][11][12][13][14][15], square tubes [16,17], tapered and corrugated tubes [18][19][20][21], and foam-filled structures [22,23].…”

Section: Introductionmentioning

confidence: 99%

“…1–3 Extensive testing on different kinds of GFRP circular composite tube has demonstrated that composite materials can offer incredibly higher levels of SEA and energy absorption capacity (Et) than their metallic co-equals. 4–6 Metal tubes assimilate energy through performing progressive plastic deformation, while the composite tubes absorb energy through progressive crushing mechanism showing more energy absorption compared to similar metallic tube. 7 The dominant parameters in the energy absorption of composite structures consist of a type and volume fraction of the fiber and matrix, geometrical shapes, layering configuration and manufacturing conditions.…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3] Extensive testing on different kinds of GFRP circular composite tube has demonstrated that composite materials can offer incredibly higher levels of SEA and energy absorption capacity (Et) than their metallic co-equals. [4][5][6] Metal tubes assimilate energy through performing progressive plastic deformation, while geometrical shapes, layering configuration and manufacturing conditions. 8,9 Energy absorbers can take various forms, such as circular tubes, [10][11][12][13][14][15] square tubes, 16,17 tapered and corrugated tubes, [18][19][20][21] and foam-filled structures.…”

Section: Introductionmentioning

confidence: 99%

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Effect of layering layout on the energy absorbance of bamboo-inspired tubular composites

Tarafdar

Razmkhah

Ahmadi

et al. 2022

Journal of Reinforced Plastics and Composites

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Gradient distribution of vascular structure made the bamboo wall structure so effective which improved the load-bearing capacity of such bio-mimicked energy absorption structures and modify the crush behavior of thin-walled composite tubes. In this research, the influence of the layering design and stacking sequence on the crush behavior, failure mechanism and absorbed energy of bamboo-inspired GFRP composite tubes is assessed experimentally and numerically. Quasi-static compression tests were conducted to explore seven permutations of Coarse Woven (CW), Fine Woven (FW), and Unidirectional (UD) E/glass fiber sheets, taking into account the longitudinal vascular bundles strengthened by organic matrix. Samples were fabricated employing a modified hand laying up method by using mechanical pressure to obtain better surface finishing and interlaminar adhesion compared to conventional hand layering up methods. To evaluate the corresponding crashworthiness parameters and characterize the crushing behavior of composite tubes, quasi-static axial compressive loading was done. The numerical simulations were validated versus experiments by a commercial finite element (FE) LS-DYNA integrating material model 54. The predicted load-displacement curves and failure mechanisms of FE analysis demonstrate acceptable correlations with visual observations during experimentation. Furthermore, the parametric numerical was performed to examine the effect of different distributions of vascular bundles. The FE analysis results revealed that the crushing behavior of bio-inspired composite tubes depended substantially on layering configuration and the stacking sequence design. The outcomes showed that the combination of woven and unidirectional fibers, respectively, located in the inner layer and hoop direction provide the optimal layering configuration design in terms of crush length efficiency, crush load efficiency, Specific energy absorption, stable progressive crushing, and better manufacturing quality.

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“…Weerts et al, prelaminated a hydrogen storage tank and simulated delamination failure of the column section under quasistatic loading conditions by inserting zero-thickness cohesive elements. Interlaminar failure was usually the first visible mechanism for thick rings, whereas fiber fracture prevailed for thin rings [ 9 ]. Aleksandr Cherniaev et al, used the tiebreak contact algorithm to model interlaminar damage behavior and analyzed the effect of nonphysical parameters of the interlaminar material model on the prediction of compressive damage loads in damaged composite cylinders.…”

Section: Introductionmentioning

confidence: 99%

Simulation Analysis of Delamination Damage for the Thick-Walled Composite-Overwrapped Pressure Vessels

Fang

Wang

2022

Materials

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In order to verify the delamination damage occurring in thick-walled composite-overwrapped pressure vessels, firstly, for composite delamination damage, a composite laminate model was established. Model I and model II delamination failure processes of composite structures were simulated and verified based on a tiebreak contact algorithm for different mesh sizes, respectively, and the approximate equivalent results were achieved by correcting the inter-ply strength. Then, for in-plane damage to composite materials, the elastic–plastic process was verified by selecting a progressive damage model, with quasistatic nonlinear tensile shear of sample specimens as an example. Further, under the purpose of generality and simplicity, the location of the first occurrence of delamination failure was simulated and analyzed with the tiebreak contact algorithm and a reasonable mesh size, using quasistatic loading of a thick composite-overwrapped pressure vessel cylindrical section as an example. The results showed that delamination occurred at approximately the center, which is in general agreement with the experimentally observed phenomenon. On this basis, the locations of the first significant delamination phenomena in composite-overwrapped vessels under three different ratios of plus or minus 45-degree layup angles were predicted. Finally, the differences in structural strength between the single laying methods and the combined laying method were compared. The results showed that the ratio of 50% had a higher modulus value than a pure 0° ply, but too large a ratio was detrimental to the improvement of structural properties.

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Assessment of contact-induced damage mechanisms in thick-walled composite cylinders

Cited by 11 publications

References 20 publications

The initiation and progression of damage in composite overwrapped pressure vessels subjected to contact loads

The initiation and progression of damage in composite overwrapped pressure vessels subjected to contact loads

Effect of layering layout on the energy absorbance of bamboo-inspired tubular composites

Simulation Analysis of Delamination Damage for the Thick-Walled Composite-Overwrapped Pressure Vessels

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