Modelling the Thermal Response of Composites in Fire

doi:10.1007/978-1-4020-5356-6_5

Cited by 2 publications

(2 citation statements)

References 40 publications

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“…In an ablating polymer matrix, the maximum char yield is contributed from the aromatic rings in it. Hence, the greater the aromatic content in a polymer, the greater its char yield …”

Section: Introductionmentioning

confidence: 99%

“…Hence, the greater the aromatic content in a polymer, the greater its char yield. 10 The thermal and ablation behavior of C-Ph composites are related to the type of the resin and the fillers added on in it. 11 C-fibers have been used in ablative TPS composites due to their high specific strength, high carbon content, low density, and relatively low coefficient of thermal expansion.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Boron Nitride Addition on Ablation Characteristics of Carbon Fiber Reinforced Resorcinol Formaldehyde Composites

Daniel

Srikanth

Kandasubramanian

2020

Ind. Eng. Chem. Res.

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The effect of boron nitride (BN) addition in carbon fiber reinforced resorcinol formaldehyde (C-RF) composites was explored in this study. Composites are altered with various weight proportions of boron nitride to make boron nitride incorporated carbon fiber reinforced resorcinol formaldehyde (BN-C-RF) composites. The ablation resistance of BN-C-RF composites was observed to be the maximum when the BN to RF ratio is 0.05:1. The thermomechanical properties of composites were studied. The thermally ablated composites were evaluated for their crystallographic changes. Formation of turbostratic carbon and turbostratic BN as well as changes in graphitization levels that occurred due to high-temperature exposure of composites were studied. The microstructural changes of the composites were analyzed by spectroscopy and microscopic studies. Results indicated the presence of oxides on the ablated surface, which was attributed to the reaction of BN with the available oxygen in the oxyacetylene flame environment and its resultant conversion to B2O3. The crystallographic transformations and microstructural changes, along with the oxidation of boron nitride, have enhanced the ablation resistance characteristics of the BN-C-RF system.

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“…In an ablating polymer matrix, the maximum char yield is contributed from the aromatic rings in it. Hence, the greater the aromatic content in a polymer, the greater its char yield …”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Boron Nitride Addition on Ablation Characteristics of Carbon Fiber Reinforced Resorcinol Formaldehyde Composites

Daniel

Srikanth

Kandasubramanian

2020

Ind. Eng. Chem. Res.

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Thermal response study of carbon epoxy laminates exposed to fire

Fan

Wang

et al. 2020

Polymer Composites

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In this article, a three-dimensional thermal response model is developed to investigate the thermal behavior of carbon epoxy composite impacted directly by propane flame. The model is established in consideration of heat transfer and energy conservation in which the heat transfer is in the form of anisotropic heat conduction, absorption by matrix decomposition, and diffusion of gas. Arrhenius equation is utilized to present the decomposition process of the materials. The diffusion equation for the decomposition gas is included for mass conservation. The thermal response model is implemented with the UMATHT and USDFLD subroutines via ABAQUS code, from which the temperature, density, decomposition degree, and decomposition rate can be extracted to analysis the process of material decomposition by finite element simulation. The model shows its capability to analysis the evolution of a carbon epoxy composite in fire by the comparison between the numerical and experimental results. Furthermore, the numerical results show that thermal conductivities in different directions of fiber have a significant influence on the heat transfer. In addition, the relationship between the decomposition degree and temperature is correlated with depths, as well as the peak value of decomposition rate and the time to reach that.

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Modelling the Thermal Response of Composites in Fire

Cited by 2 publications

References 40 publications

Effect of Boron Nitride Addition on Ablation Characteristics of Carbon Fiber Reinforced Resorcinol Formaldehyde Composites

Effect of Boron Nitride Addition on Ablation Characteristics of Carbon Fiber Reinforced Resorcinol Formaldehyde Composites

Thermal response study of carbon epoxy laminates exposed to fire

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