Determination of Static and Fatigue Characteristics of Carbon Fiber Reinforced Polyester Composites for Automobile Applications

Raja, V. Mugesh; Kumar, S. Sathees

doi:10.1590/1980-5373-mr-2019-0458

Cited by 20 publications

(5 citation statements)

References 30 publications

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“…The precise input conditions used in this in-depth study are a disc rotating at 400 RPM, a weight of 2 kg on the pin, and a fixed support on the pin's cylindrical surface. The disc used in the frictional test has a diameter of 165 mm and a thickness of 10 mm [26][27][28][29]. The pin used in the experiment has a diameter of 10 mm and a height of 30 mm, as shown in Figure 5.…”

Section: Finite Element Analysis Resultsmentioning

confidence: 99%

“…Figure 5 shows a consolidated model of the pin-on-disc test specimen created with the ANSYS Composite Preprocessor tool. The tiny red solid on top was called a pin, and the blue-grey solid on the bottom was called a disc [1,14,[21][22][23][24][25][26][27][28][29][30]. In the FEA mathematical modeling of boundary value problems, boundary conditions and governing equations play a key role.…”

Section: Boundary Conditions and Description About Analysesmentioning

confidence: 99%

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Asymmetrical Damage Aspects Based Investigations on the Disc Brake of Long-Range UAVs through Verified Computational Coupled Approaches

Raja¹,

Gnanasekaran²,

Rajendran

et al. 2022

Symmetry

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In recent years, the use of unmanned aerial vehicles (UAVs) has increased significantly. Asymmetrical factors, or frictional studies on the disc brake of UAVs, are one of the safety considerations taken into consideration during the design process because UAVs and their components have been built with the best safety in mind. This study focuses on choosing the optimal material for a UAV’s disc brake by using transient structural and thermal models. In order to compare the asymmetry-based frictional force produced by the two ways; the processes used in the transient simulation are validated using pin-on-disc (POD) testing. The foundation for this validation investigation is a metal matrix composite made of an aluminum alloy, and the basis tool is an ASTM G99-based computational test specimen. Steel-EN24 and carbon ceramic matrix composites testing are expanded using the same POD tests. A range of 3 percent to 8 percent error rates is found. As a result, the calculation techniques are applied to the UAV’s disc brake after they have proven to be trustworthy. This fixed-wing UAV’s extensions have a 5 kg payload capacity. The weight, avionics components, tire dimensions, and disc brake dimensions of the other UAV design parts are calculated using analytical formulas. The final designs are made using CATIA as a result. The grid convergence experiment is organized using a traditional finite element analysis tool. Finally, at its maximum rotational speed, a UAV’s disc brake is put through asymmetrical friction testing based on structural and thermal consequences. The correct materials for critical applications, such as carbon fiber-woven-wet-based reinforced polymer and Kevlar unidirectional-49-based reinforced polymer composites for changing rotating speeds, have now been made possible by fixed-wing UAVs.

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Section: Finite Element Analysis Resultsmentioning

confidence: 99%

Section: Boundary Conditions and Description About Analysesmentioning

confidence: 99%

Asymmetrical Damage Aspects Based Investigations on the Disc Brake of Long-Range UAVs through Verified Computational Coupled Approaches

Raja¹,

Gnanasekaran²,

Rajendran

et al. 2022

Symmetry

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show abstract

“…The number of asperities was reduced by the increase in sliding distance/time, in which adhesion wear leads. Thus, for all the test materials, initially there was an increase in coefficient of friction owing to the dominant abrasive friction and later reaches constant value owing to the principal adhesive friction 23,24 .…”

Section: Mechanism On the Transient Frictionmentioning

confidence: 90%

Determination of Wear, Friction Behavior and Characterization of Carbon Fiber Reinforced Epoxy Composites for Transport Applications

Sudhagar

Kumar

2020

Mat. Res.

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Thermoplastics are finding the place in the current industrial sector due to its load bearing capacities. In this research, With the aid of pin on disc test set up, adhesive and abrasive wear behavior of leaf spring materials 30% short carbon fiber reinforced epoxy (SF), 30% long carbon fiber reinforced epoxy (LF) as well as Unreinforced epoxy (UF) are evaluated for automobile applications. Under multi pass abrasive wear condition, the effect of fiber reinforcement on plastic energy of deformation, matrix crystallinity and clogging behavior were investigated. The transient friction of Leaf spring materials was carried out under the load condition of 19.62N and 28.43N. During the friction test, the effect of fiber length, fiber loading condition on the co-efficient of friction and its specific wear rate of the composite materials are also investigated. The increase in load during adhesive mode for all the materials, specific wear rate and wear volume of the test materials also increased. Furthermore, the fiber-matrix interface, fractured surfaces were observed thoroughly through Scanning Electron microscopic (SEM) morphology.

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“…Composites have a wide range of applications such as the aerospace, automotive, sports, medical, electrical, and construction industries [2][3][4][5]. Generally, a composite material consists of a matrix (metal, ceramic, or polymer) that holds the reinforcement to form the desired shape, and reinforcement (fibers, particles, whisker, and/or fillers) that improve the overall mechanical properties of the matrix.…”

Section: Introductionmentioning

confidence: 99%

Use of Inorganic Wastes as Fillers in Production of Polyester Composites and Evaluation of Properties of Obtained Composite

Karataş

Aydoğmuş

2023

IJANSER

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The use of industrial factory wastes as a filler in polymer composite materials is becoming more and more common. In this way, these wastes that cause environmental pollution are eliminated and new composite materials are developed. Polymer composites with low cost and high thermal stability are preferred in many sectors. In this research, some physical and chemical properties of inorganic waste reinforced polyester composites have been evaluated. The use of industrial inorganic wastes as fillers in polyester composites develops some thermophysical properties of composites. In particular, such industrial wastes are dried before being used in the composite, the particle size is reduced, and it is ensured to have a homogeneous structure. This type of waste, which is used as filler, is used in the polyester composite in optimum proportions. The use of high inorganic fillers in polyester both weakens the mechanical strength of the composites and negatively affects the matrix structure. Besides, inorganic waste reinforcement raises the surface hardness of polyester composites. Such fillers are improved both the thermal stability and non-flammability of the polyester composite. High-density inorganic fillers are used to obtain a high-density and economical polyester composite. Low-density inorganic industrial wastes also reduce the density of composites. However, the reinforcement of inorganic fillers into polyester at a high rate adversely affects both the surface morphology and the workability of the produced composites.

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Determination of Static and Fatigue Characteristics of Carbon Fiber Reinforced Polyester Composites for Automobile Applications

Cited by 20 publications

References 30 publications

Asymmetrical Damage Aspects Based Investigations on the Disc Brake of Long-Range UAVs through Verified Computational Coupled Approaches

Asymmetrical Damage Aspects Based Investigations on the Disc Brake of Long-Range UAVs through Verified Computational Coupled Approaches

Determination of Wear, Friction Behavior and Characterization of Carbon Fiber Reinforced Epoxy Composites for Transport Applications

Use of Inorganic Wastes as Fillers in Production of Polyester Composites and Evaluation of Properties of Obtained Composite

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