THREE DIMENSIONAL MICROMECHANICAL MODELING OF DAMPING CAPACITY OF NANO FIBER REINFORCED POLYMER NANOCOMPOSITES

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MAHMOUDI MOHAMMAD JAVAD; VAKILIFARD MOHAMMAD

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:9 Page(s): 257-266

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Title

THREE DIMENSIONAL MICROMECHANICAL MODELING OF DAMPING CAPACITY OF NANO FIBER REINFORCED POLYMER NANOCOMPOSITES

Author(s)

MAHMOUDI MOHAMMAD JAVAD | VAKILIFARD MOHAMMAD | Issue Writer Certificate

Keywords

POLYMER NANOCOMPOSITESQ1

DAMPING CAPACITYQ1

MICROMECHANICSQ2

Abstract

In this research, a three dimensional analytical method is presented for predicting the dynamic properties of POLYMER NANOCOMPOSITES. In the present method elastic-viscoelastic correspondence principle is applied on the simplified method of cell, and loss modulus, storage modulus, loss factor and Hysteresis loop are obtained using energy method as well as force balance method. The considered nanocomposite possesses Polypropylene as a matrix reinforced by vapor grown carbon fibers. The representative volume element consists of three isotropic phases including fiber, interphase and matrix with linear viscoelastic behavior based on Zener model. Furthermore, the nanocomposite constituents dynamic properties are extracted in frequency domain by employing Fourier transform method and Schapery model. First, to ensure validation of the model, the results are compared with experimental results. Parametric studies such as the effects of number of subcells, fibers volume fraction (FVF) and aspect ratio, matrix/fiber link strength factor and interphase loss factor on the nanocomposite dynamic properties are investigated.. Obtained results reveal that the presented method has acceptable speed and accuracy. Moreover, fiber aspect ratio and FVF increasing leads to decreasing the nanocomposite hysteresis loop area, subsequently its DAMPING CAPACITY reduces. Interphase also contains considerable effects on the nanocomposite dynamic properties, so its modeling is of great importance.

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APA: Copy

MAHMOUDI, MOHAMMAD JAVAD, & VAKILIFARD, MOHAMMAD. (2016). THREE DIMENSIONAL MICROMECHANICAL MODELING OF DAMPING CAPACITY OF NANO FIBER REINFORCED POLYMER NANOCOMPOSITES. MODARES MECHANICAL ENGINEERING, 16(9), 257-266. SID. https://sid.ir/paper/179774/en

Vancouver: Copy

MAHMOUDI MOHAMMAD JAVAD, VAKILIFARD MOHAMMAD. THREE DIMENSIONAL MICROMECHANICAL MODELING OF DAMPING CAPACITY OF NANO FIBER REINFORCED POLYMER NANOCOMPOSITES. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(9):257-266. Available from: https://sid.ir/paper/179774/en

IEEE: Copy

MOHAMMAD JAVAD MAHMOUDI, and MOHAMMAD VAKILIFARD, “THREE DIMENSIONAL MICROMECHANICAL MODELING OF DAMPING CAPACITY OF NANO FIBER REINFORCED POLYMER NANOCOMPOSITES,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 9, pp. 257–266, 2016, [Online]. Available: https://sid.ir/paper/179774/en

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