Prediction of thermal conductivity of air voided-fiber-reinforced composite laminates part II: 3D simulation

Al‐Nassar, Y.

doi:10.1007/s00231-006-0099-5

Cited by 19 publications

(13 citation statements)

References 13 publications

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“…It is concluded from (14) that the value of t * β only depends on the value of β (Table 1). Figure 2 shows the time history of the dimensionless heat Q * (t * ) for a homogeneous RVE which is obtained by the first 5000 terms of the series solution in (14). It is clear that Q * (t * ) increases from 0 and Q * (t * = 10) ≈ 1.…”

Section: Analytical Solution Of Homogenized Rvementioning

confidence: 96%

“…According to (15), it means t * 0.50 ≈ 0.79. Table 2 shows the values of t β * which are obtained by the series solution of homogeneous material in (14) for various values of β. According to Table 2, half of the total energy (Q * = 0.50) is transferred to the RVE at t * 0.5 = 0.7871 and 90 % of the total energy is transferred at t * 0.90 = 3.393.…”

Section: Analytical Solution Of Homogenized Rvementioning

confidence: 99%

“…The value of t β * for homogeneous RVE only depends on value of β and does not dependent on the dimensions or physical properties of the material. For the homogenized RVE, the numerical value of t βh * for a given value of β can be obtained from (14) or Table 2 and then t β h can be obtained according to (13) as;…”

Section: Analytical Solution Of Homogenized Rvementioning

confidence: 99%

“…To estimate the effective thermal diffusivity of composite, for an arbitrary chosen value for β (0 < β < 1), t βnh is obtained from the numerical solution of the real RVE and t βh * is obtained from the analytical solution of the homogenized RVE in (14) or Table 2 and α eq is obtained from (18). From the numerical analysis, it is observed that the estimated value of α eq depends slightly on the chosen value of β.…”

Section: Investigation Of the Effective Thermal Diffusivitymentioning

confidence: 99%

“…Fiedler et al [13] studied the orthotropic heat transfer properties of unidirectional fiber reinforced materials based on a finite element micromechanical model and analytical method based on homogenization approaches. Al-Nassar [14] studied the effect of air void on the thermal conductivity of the fiber reinforced composite laminates using the 3-D finite element analysis. Al-Sulaiman et al [15,16] presented a method for prediction of the thermal conductivity of the constituents of composite by the overall thermal conductivity of the composite.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of effective thermal diffusivity and conductivity of fibrous materials through computational micromechanics

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Section: Analytical Solution Of Homogenized Rvementioning

confidence: 96%

Section: Analytical Solution Of Homogenized Rvementioning

confidence: 99%

Section: Analytical Solution Of Homogenized Rvementioning

confidence: 99%

Section: Investigation Of the Effective Thermal Diffusivitymentioning

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Section: Introductionmentioning

confidence: 99%

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Effect of Aluminum Addition on the Mechanical and Thermal Behavior of Unsaturated Polyester/Jute Composites

et al. 2016

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Jute fiber along with Al particle‐reinforced unsaturated polyester composites having different filler (Jute and Al) loading viz. 2, 5, 10, and 15 wt.% were fabricated by compression molding technique. In the present investigation, it was observed that with fillers incorporation, the microhardness increases and becomes optimum at 10 wt.% filler content followed by slight deterioration at 15 wt.%. Scanning electron microscopy confirms the dispersion of the fillers. An improvement of crystallinity with filler addition was observed from X‐ray diffraction pattern. Fourier transform infrared spectroscopy pattern ensured the bonding between filler and matrix. Flexural and Izod impact tests show that the strength and modulus increase monotonically up to 10 wt.% filler addition followed by slight decreases at 15 wt.%. Thermogravimetric analysis and Differential Thermogravimetric analysis show that the thermal stability, degradation temperature, and residual mass significantly increase with fillers addition. The thermal insulation of the composites decreases, whereas the electrical conductivity of the composites increases with the addition of the filler. The water absorption at room and boiling temperature suggests swelling and deterioration in strength of the swelled composites.

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Influence of ZrO₂ Incorporation on Sisal Fiber Reinforced Unsaturated Polyester Composites

et al. 2018

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Sisal fiber along with ZrO2 particles dispersed unsaturated polyester (UP) composites were fabricated by compression molding technique. The filler contents were varied from 5 to 45 wt% with a gradual increase of 10%. The structural investigation was done using Scanning electron microscopy, X‐ray diffraction, and Fourier transform infrared spectroscopy. Mechanical testing was performed through microhardness tester, tensile, flexural, and Izod impact test. The optimum mechanical properties were obtained at 35 wt% of filler incorporation within UP matrix followed by a slight deterioration at 45 wt%. Fractographic images of the composites display the phenomena of fiber pull‐out, debonding and breakage. The water absorption test was performed both at room temperature and boiling water temperature conditions. The thermal insulation measurement was performed by Kawabata method. POLYM. COMPOS., 40:2790–2801, 2019. © 2018 Society of Plastics Engineers

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Prediction of thermal conductivity of air voided-fiber-reinforced composite laminates part II: 3D simulation

Cited by 19 publications

References 13 publications

Evaluation of effective thermal diffusivity and conductivity of fibrous materials through computational micromechanics

Evaluation of effective thermal diffusivity and conductivity of fibrous materials through computational micromechanics

Effect of Aluminum Addition on the Mechanical and Thermal Behavior of Unsaturated Polyester/Jute Composites

Influence of ZrO₂ Incorporation on Sisal Fiber Reinforced Unsaturated Polyester Composites

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Prediction of thermal conductivity of air voided-fiber-reinforced composite laminates part II: 3D simulation

Cited by 19 publications

References 13 publications

Evaluation of effective thermal diffusivity and conductivity of fibrous materials through computational micromechanics

Evaluation of effective thermal diffusivity and conductivity of fibrous materials through computational micromechanics

Effect of Aluminum Addition on the Mechanical and Thermal Behavior of Unsaturated Polyester/Jute Composites

Influence of ZrO2 Incorporation on Sisal Fiber Reinforced Unsaturated Polyester Composites

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Product

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Influence of ZrO₂ Incorporation on Sisal Fiber Reinforced Unsaturated Polyester Composites