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Development of sustainable biodegradable lignocellulosic hemp fiber/polycaprolactone biocomposites for light weight applications. / Dhakal, H. N.; Ismail, S.O.; Zhang, Z.; Barber, A.; Welsh, E.; Maigret, J. E. ; Beaugrand, J.

In: Composites Part A: Applied Science and Manufacturing, Vol. 113, 01.10.2018, p. 350-358.

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@article{ed3bca6e66c54384b12960d5db51a2cf,
title = "Development of sustainable biodegradable lignocellulosic hemp fiber/polycaprolactone biocomposites for light weight applications",
abstract = "Biocomposites with poly(ε-caprolactone) (PCL) as matrix and lignocellulosic hemp fiber with varying average aspect ratios (19, 26, 30 and 38) as reinforcement were prepared using twin extrusion process. The influence of fiber aspect ratio on the water absorption behavior and mechanical properties are investigated. The percentage of moisture uptake increased with the aspect ratio, following Fickian behavior. The hemp fiber/PCL biocomposites showed enhanced properties (tensile, flexural and low-velocity impact). The biocomposite with 26 aspect ratio showed the optimal properties, with flexural strength and modulus of 169% and 285% respectively, higher than those of neat PCL. However, a clear reduction on the mechanical properties was observed for water-immersed samples, with reduction in tensile and flexural moduli for the aspect ratio of 26 by 90% and 62%, respectively than those of dry samples. Summarily, the optimal sample provides an eco-friendly alternative to conventional, petroleum-based and non-renewable composites for various applications.",
keywords = "A. Polymer-matrix composites (PMCs), B. Fiber/matrix bond, B. Mechanical properties, C. Damage mechanics",
author = "Dhakal, {H. N.} and S.O. Ismail and Z. Zhang and A. Barber and E. Welsh and Maigret, {J. E.} and J. Beaugrand",
year = "2018",
month = oct,
day = "1",
doi = "10.1016/j.compositesa.2018.08.005",
language = "English",
volume = "113",
pages = "350--358",
journal = "Composites Part A: Applied Science and Manufacturing",
issn = "1359-835X",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Development of sustainable biodegradable lignocellulosic hemp fiber/polycaprolactone biocomposites for light weight applications

AU - Dhakal, H. N.

AU - Ismail, S.O.

AU - Zhang, Z.

AU - Barber, A.

AU - Welsh, E.

AU - Maigret, J. E.

AU - Beaugrand, J.

PY - 2018/10/1

Y1 - 2018/10/1

N2 - Biocomposites with poly(ε-caprolactone) (PCL) as matrix and lignocellulosic hemp fiber with varying average aspect ratios (19, 26, 30 and 38) as reinforcement were prepared using twin extrusion process. The influence of fiber aspect ratio on the water absorption behavior and mechanical properties are investigated. The percentage of moisture uptake increased with the aspect ratio, following Fickian behavior. The hemp fiber/PCL biocomposites showed enhanced properties (tensile, flexural and low-velocity impact). The biocomposite with 26 aspect ratio showed the optimal properties, with flexural strength and modulus of 169% and 285% respectively, higher than those of neat PCL. However, a clear reduction on the mechanical properties was observed for water-immersed samples, with reduction in tensile and flexural moduli for the aspect ratio of 26 by 90% and 62%, respectively than those of dry samples. Summarily, the optimal sample provides an eco-friendly alternative to conventional, petroleum-based and non-renewable composites for various applications.

AB - Biocomposites with poly(ε-caprolactone) (PCL) as matrix and lignocellulosic hemp fiber with varying average aspect ratios (19, 26, 30 and 38) as reinforcement were prepared using twin extrusion process. The influence of fiber aspect ratio on the water absorption behavior and mechanical properties are investigated. The percentage of moisture uptake increased with the aspect ratio, following Fickian behavior. The hemp fiber/PCL biocomposites showed enhanced properties (tensile, flexural and low-velocity impact). The biocomposite with 26 aspect ratio showed the optimal properties, with flexural strength and modulus of 169% and 285% respectively, higher than those of neat PCL. However, a clear reduction on the mechanical properties was observed for water-immersed samples, with reduction in tensile and flexural moduli for the aspect ratio of 26 by 90% and 62%, respectively than those of dry samples. Summarily, the optimal sample provides an eco-friendly alternative to conventional, petroleum-based and non-renewable composites for various applications.

KW - A. Polymer-matrix composites (PMCs)

KW - B. Fiber/matrix bond

KW - B. Mechanical properties

KW - C. Damage mechanics

UR - http://www.scopus.com/inward/record.url?scp=85051396132&partnerID=8YFLogxK

U2 - 10.1016/j.compositesa.2018.08.005

DO - 10.1016/j.compositesa.2018.08.005

M3 - Article

VL - 113

SP - 350

EP - 358

JO - Composites Part A: Applied Science and Manufacturing

JF - Composites Part A: Applied Science and Manufacturing

SN - 1359-835X

ER -