The Mechanical Investigation of Filament-Wound CFRP Structures Subjected to Different Cooling Rates in Terms of Compressive Loading and Residual Stresses—An Experimental Approach

Błażejewski, Wojciech; Barcikowski, Michał; Lubecki, Marek; Stabla, Paweł; Bury, Paweł; Stosiak, Michał; Lesiuk, Grzegorz

doi:10.3390/ma14041041

Cited by 9 publications

(4 citation statements)

References 23 publications

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“…Utilizing numerical modelling techniques, such as the Finite Element Method, is a viable substitute for experimental testing due to its efficient use of time and economic resources, as evidenced by sources [5,20]. However, to ensure accurate and effective analysis, it is imperative that the numerical model is developed with meticulous attention and care.…”

Section: Eksploatacja I Niezawodnosc -Maintenance and Reliabilitymentioning

confidence: 99%

Methodology for the Composite Tire Numerical Simulation Based on the Frequency Response Analysis

Karpenko¹,

Skačkauskas²,

Prentkovskis³

2023

Eksploatacja i Niezawodność – Maintenance and Reliability

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Reliability and maintenance analysis in transport focus on the main objective of accident and incident investigations that benefit to better understanding of the causes of accidents and prevention of them in the future. The conducted research presents theoretical and experimental research on composite pneumatic tire used in transport engineering. The approach of the numerical simulation sequence which is offered in this research facilitates engineers in efficient determination of the dynamic properties and behaviour of vehicle tire at design stage. The tire materials have been tested by employing piezoelectric micro-vibration tests and frequency analyses. The Finite Element Method used for numerical simulation in combination with experimental measurements based on optimization by material frequency response, was applied in modelling tire material behaviour avoiding problems of composite structure modelling. The obtained results indicate that the offered methodology can be used in numerical simulation of composite tire investigation and considering material viscos-elastic properties.

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Section: Eksploatacja I Niezawodnosc -Maintenance and Reliabilitymentioning

confidence: 99%

Methodology for the Composite Tire Numerical Simulation Based on the Frequency Response Analysis

Karpenko¹,

Skačkauskas²,

Prentkovskis³

2023

Eksploatacja i Niezawodność – Maintenance and Reliability

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“…Sara 25 evaluated modal response. Marek et al investigated the challenges, 6 trends, 4 axial force, 26 cylinder bases, 27 and cooling rate 28 of CFRP hydraulic cylinders. His outstanding work has advanced the development of CFRP hydraulic cylinders.…”

Section: Introductionmentioning

confidence: 99%

Design, manufacture, and experiments of lightweight CFRP hydraulic cylinder tube without metal liner

Li,

Shang,

Wan

et al. 2023

Polymer Composites

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Hydraulic cylinders are widely used in aircraft rudder surface control, landing gear retraction, flaps and speed brakes retraction, ground steering driving, and engine thrust reverser control. The huge weight of hydraulic cylinders severely limits the aircraft's potential for increased range, maneuverability, energy efficiency, and carrying capacity. To achieve the maximum weight reduction, the carbon fiber reinforced polymer (CFRP) hydraulic tube without a metal liner is designed in this paper. In response to the lack of a parameter calculation method for CFRP hydraulic tubes, the accurate calculation method is developed through mechanical modeling and analysis of parameter influence law. For the structure design challenges of connection, sealing, and friction of CFRP hydraulic tube without metal liner, we have proposed and verified the wave contour inlaid structure, three leak‐proof solutions of the connection interface, the leak‐proof structure of the wound CFRP body and the seal friction pair. For the difficulties of multi‐material and high‐precision molding, a new process of split manufacturing‐combined molding is developed to achieve high‐precision and low‐cost manufacturing. Finally, the prototype is manufactured and tested by the presented method, and its weight reduction ratio is 56.64% compared with the original metal hydraulic tube. This study has further matured the application of CFRP hydraulic tubes without metal liners and has great lightweight benefits in aircraft.Highlights CFRP hydraulic tube without metal liner is designed to reduce weight. An accurate calculation method of CFRP parameters is developed. Connection structure, leak‐proof structure, and seal friction pair are designed. The high‐precision and low‐cost molding process is innovatively proposed.

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“…Referring to composite materials, several manufacturing technologies can be highlighted, such as hand laminating, vacuum bagging [ 4 ], infusion [ 5 ], pultrusion [ 6 , 7 ], and filament winding [ 8 , 9 , 10 , 11 ]. Those processes allow manufacturers to provide the very complex material geometries and structures used in many modern applications.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Flame Retardant—Aluminum Trihydroxide on Mixed Mode I/II Fracture Toughness of Epoxy Resin

et al. 2022

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Fire resistance is a major issue concerning composite materials for safe operation in many industrial sectors. The design process needs to meet safety requirements for buildings and vehicles, where the use of composites has increased. There are several solutions to increasing the flame resistance of polymeric materials, based on either chemical modification or physical additions to the material’s composition. Generally, the used flame retardants affect mechanical properties either in a positive or negative way. The presented research shows the influence of the mixed-mode behavior of epoxy resin. Fracture toughness tests on epoxy resin samples were carried out, to investigate the changes resulting from different inorganic filler contents of aluminum trihydroxide (ATH). Three-point bending and asymmetric four-point bending tests, with different loading modes, were performed, to check the fracture behavior in a complex state of loading. The results showed that the fracture toughness of mode I and mode II was reduced by over 50%, compared to neat resin. The experimental outcomes were compared with theoretical predictions, demonstrating that the crack initiation angle for higher values of KI/KII factor had a reasonable correlation with the MTS prediction. On the other hand, for small values of the factor KI/KII, the results of the crack initiation angle had significant divergences. Additionally, based on scanning electron microscopy images, the fracturing of the samples was presented.

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The Mechanical Investigation of Filament-Wound CFRP Structures Subjected to Different Cooling Rates in Terms of Compressive Loading and Residual Stresses—An Experimental Approach

Cited by 9 publications

References 23 publications

Methodology for the Composite Tire Numerical Simulation Based on the Frequency Response Analysis

Methodology for the Composite Tire Numerical Simulation Based on the Frequency Response Analysis

Design, manufacture, and experiments of lightweight CFRP hydraulic cylinder tube without metal liner

The Effect of Flame Retardant—Aluminum Trihydroxide on Mixed Mode I/II Fracture Toughness of Epoxy Resin

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