Mechanical characterization of novel latania natural fiber reinforced PP/EPDM composites

Nasihatgozar, Mohsen; Daghigh, Vahid; Lacy, Thomas E.; Daghigh, Hamid; Nikbin, Kamran; Simoneau, A.

doi:10.1016/j.polymertesting.2016.10.016

Cited by 35 publications

(42 citation statements)

References 44 publications

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“…The characterization, in terms of impact strength, is predominantly carried out under in‐plane impact load using Charpy and Izod impact testers. For example, previous studies reported that the Charpy impact strengths of nonwoven hemp fiber/PP, flax yarn/polylactic acid (PLA), flax fiber mat/PP, and short latania fiber/(PP/ethylene‐propylene‐diene‐monomer) composites, respectively, increase with increasing fiber content, while a decreasing trend in impact strength was observed with increasing fiber content in the case of short fibers (lyocell, hemp, and jute) reinforced polyhydroxybutyrate composites. This is due to the very short fiber length and high fiber attrition during the manufacture of the composites .…”

Section: Introductionmentioning

confidence: 99%

Impact energy absorption of flax fiber‐reinforced polypropylene composites

2017

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This work investigates the effects of fiber content and fiber orientation on the impact behavior of flax fiber‐reinforced polypropylene (PP) composites. The laminates of various fiber contents were manufactured by a vacuum bagging process; their impact properties were then measured using Charpy (i.e., in‐plane impact load) and drop weight (i.e., out‐of‐plane impact load) impact tests. Experiments were conducted on a range of samples with different fiber volume fractions and orientations. The results show significant variations in energy absorption according to the variations in fiber orientation. Composites with differing fiber orientations exhibit different energy absorption for the in‐plane and out‐of‐plane impact loads. The maximum Charpy energy absorption is obtained for the case of 0° fiber orientation, with the energy absorption generally lying in the range of 25–171 J/m. For the out‐of‐plane impact, the composites containing 30° fiber orientation absorb the highest amount of impact energy, and they can offer a better impact resistance in terms of higher peak force. The energy absorption generally lies in the range of 20–32 J. It was found that the energy absorption increases with increasing fiber content in the former (i.e., in‐plane impact load) and decreases in the latter (i.e., out‐of‐plane impact load). Fiber orientations influence the crack propagation and failure mode of the composites. The outcomes from this study indicate that flax fiber‐reinforced composite could be a commercially viable material for lightweight, crashworthy, and impact‐critical structures. POLYM. COMPOS., 39:4165–4175, 2018. © 2017 Society of Plastics Engineers

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Section: Introductionmentioning

confidence: 99%

Impact energy absorption of flax fiber‐reinforced polypropylene composites

2017

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“…In this section, the elastic modulus, Poisson's ratio, and free vibration numerical results of nanocomposite CNT‐reinforced plate embedded on temperature‐dependent foundation are presented. Since thermoplastics are extensively used in industry , for the matrix, Poly methyl methacrylate (PMMA), as a well‐known thermoplastic material is considered. PMMA temperature‐dependent mechanical properties are as follows: Poisson's ratios of ν m = 0.34, thermal coefficient of α m = (1 + 0.0005Δ T ) × 10 −6 /K, and Young moduli of E m = (3.52 − 0.0034 T ) GPa, where, T = T 0 + Δ T and T 0 = 300 K (ambient temperature).…”

Section: Resultsmentioning

confidence: 99%

Free vibration of size and temperature‐dependent carbon nanotube (CNT)‐reinforced composite nanoplates with CNT agglomeration

Daghigh

2018

Polymer Composites

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Free vibration analysis of size‐dependent carbon nanotube‐reinforced composite (CNTRC) nanoplates, resting on the visco‐Pasternak foundation is studied. The Mori–Tanaka approach, considering carbon nanotube (CNT) agglomeration, is employed to derive the material properties of the composite nanoplates. The analysis is carried out for the uniform distribution (UD) and randomly oriented (RO) distribution of single‐walled carbon nanotubes (SWCNTs) while the nanoplate and the foundation are considered to be temperature‐dependent. Using Hamilton's principle, the governing differential equations are derived based on the Eringen's nonlocal elasticity theory and sinusoidal shear deformation theory (SSDT). The natural frequency of the nanoplates is then obtained by the Navier's analytical solution. To verify the method presented, the results are compared with those in the literature. Detailed parametric studies are performed to discuss the influences of CNTs agglomeration, nonlocal parameter, temperature, foundation parameters, the volume fraction of CNTs, plate length‐to‐thickness, and aspect ratios on the free vibration of the CNTRC nanoplates. POLYM. COMPOS., 40:E1479–E1494, 2019. © 2018 Society of Plastics Engineers

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“… (a) Latania fibers before being chopped ; (b) Latania fibers after being chopped . [Color figure can be viewed at http://wileyonlinelibrary.com]…”

Section: Methodsmentioning

confidence: 99%

“…These blends were cooled to room temperature and then pelletized. The pellets were then desiccated at 80°C for 24 h. Finally, tensile, bending, Charpy impact, and heat deflection temperature (HDT) test specimens were produced using an injection molding machine (EM 80, Aslanian Co., Tehran, Iran) at 165–180°C using the exact procedures described in .…”

Section: Methodsmentioning

confidence: 99%

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Influence of maleated polypropylene coupling agent on mechanical and thermal behavior of latania fiber‐reinforced PP/EPDM composites

et al. 2018

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The influence of maleated polypropylene (MAPP) on the mechanical/thermal properties of short latania fiber‐reinforced poly(propylene)/ethylene‐propylene‐diene‐monomer (SLF/PP/EPDM) composites was investigated. Two different MAPP weight percentages (0 and 2wt%) and five different fiber weight contents (0, 5, 10, 20, and 30wt%) were considered, where the density of MAPP at the fiber surfaces progressively decreased. For a given fiber loading, addition of 2wt% MAPP led to roughly a 3–9% increase in tensile/flexural moduli and strengths over SLF/PP/EPDM composites with no MAPP. Moreover, composites containing MAPP displayed a profound improvement (37–78%) in impact energy absorption. In addition, composite heat deflection temperatures notably increased by 3–4°C with MAPP addition. Microscopic imaging suggested that matrix crazing, fiber pull‐out, and fiber fractures were key failure mechanisms. Hence, SLF/PP/EPDM composites modified with 2%wt MAPP may serve as a low cost alternative to other natural fiber thermoplastic composites. POLYM. COMPOS., 39:E1751–E1759, 2018. © 2018 Society of Plastics Engineers

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Mechanical characterization of novel latania natural fiber reinforced PP/EPDM composites

Cited by 35 publications

References 44 publications

Impact energy absorption of flax fiber‐reinforced polypropylene composites

Impact energy absorption of flax fiber‐reinforced polypropylene composites

Free vibration of size and temperature‐dependent carbon nanotube (CNT)‐reinforced composite nanoplates with CNT agglomeration

Influence of maleated polypropylene coupling agent on mechanical and thermal behavior of latania fiber‐reinforced PP/EPDM composites

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