University of Hertfordshire

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Machinability of natural-fibre-reinforced polymer composites: Convectional vs ultrasonically-assisted machining. / Wang, D.; Onawumi, P. Y. ; Ismail, Sikiru O.; Dhakal, Hom N.; Popov, I.; Silberschmidt, V. V. ; Roy, A.

In: Composites Part A: Applied Science and Manufacturing, Vol. 119, 31.01.2019, p. 188–195.

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Wang, D. ; Onawumi, P. Y. ; Ismail, Sikiru O. ; Dhakal, Hom N. ; Popov, I. ; Silberschmidt, V. V. ; Roy, A. / Machinability of natural-fibre-reinforced polymer composites: Convectional vs ultrasonically-assisted machining. In: Composites Part A: Applied Science and Manufacturing. 2019 ; Vol. 119. pp. 188–195.

Bibtex

@article{9789648731b24bac9040b3f5abbb4ac7,
title = "Machinability of natural-fibre-reinforced polymer composites: Convectional vs ultrasonically-assisted machining",
abstract = "Natural-fibre-reinforced polymer (NFRP) composites are becoming a viable alternative to synthetic fibre based composites in many industrial applications. Machining is often necessary to facilitate assembly of parts in a final product. This study focuses on a comparative experimental analysis of the effects of conventional drilling (CD) and a hybrid ultrasonically-assisted drilling (UAD) of a hemp fibre-reinforced vinyl ester composite laminate. The results obtained indicate that UAD is more efficient when compared to CD for a range of drilling conditions. It yields lower cutting forces and energy resulting in reduced machining-induced damage in the composite, including diminished burr formation and fibre pull-outs. The holes drilled with UAD exhibit improved surface finish and hole quality when compared to those produced with CD. The study demonstrates the applicability of UAD as a viable machining process for improved machinability of heterogeneous NFRP composite materials.",
keywords = "A. Natural fibres, D. Optical microscopy, E. Machining",
author = "D. Wang and Onawumi, {P. Y.} and Ismail, {Sikiru O.} and Dhakal, {Hom N.} and I. Popov and Silberschmidt, {V. V.} and A. Roy",
note = "{\textcopyright} 2019 Elsevier Ltd. All rights reserved. ",
year = "2019",
month = jan,
day = "31",
doi = "10.1016/j.compositesa.2019.01.028",
language = "English",
volume = "119",
pages = "188–195",
journal = "Composites Part A: Applied Science and Manufacturing",
issn = "1359-835X",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Machinability of natural-fibre-reinforced polymer composites: Convectional vs ultrasonically-assisted machining

AU - Wang, D.

AU - Onawumi, P. Y.

AU - Ismail, Sikiru O.

AU - Dhakal, Hom N.

AU - Popov, I.

AU - Silberschmidt, V. V.

AU - Roy, A.

N1 - © 2019 Elsevier Ltd. All rights reserved.

PY - 2019/1/31

Y1 - 2019/1/31

N2 - Natural-fibre-reinforced polymer (NFRP) composites are becoming a viable alternative to synthetic fibre based composites in many industrial applications. Machining is often necessary to facilitate assembly of parts in a final product. This study focuses on a comparative experimental analysis of the effects of conventional drilling (CD) and a hybrid ultrasonically-assisted drilling (UAD) of a hemp fibre-reinforced vinyl ester composite laminate. The results obtained indicate that UAD is more efficient when compared to CD for a range of drilling conditions. It yields lower cutting forces and energy resulting in reduced machining-induced damage in the composite, including diminished burr formation and fibre pull-outs. The holes drilled with UAD exhibit improved surface finish and hole quality when compared to those produced with CD. The study demonstrates the applicability of UAD as a viable machining process for improved machinability of heterogeneous NFRP composite materials.

AB - Natural-fibre-reinforced polymer (NFRP) composites are becoming a viable alternative to synthetic fibre based composites in many industrial applications. Machining is often necessary to facilitate assembly of parts in a final product. This study focuses on a comparative experimental analysis of the effects of conventional drilling (CD) and a hybrid ultrasonically-assisted drilling (UAD) of a hemp fibre-reinforced vinyl ester composite laminate. The results obtained indicate that UAD is more efficient when compared to CD for a range of drilling conditions. It yields lower cutting forces and energy resulting in reduced machining-induced damage in the composite, including diminished burr formation and fibre pull-outs. The holes drilled with UAD exhibit improved surface finish and hole quality when compared to those produced with CD. The study demonstrates the applicability of UAD as a viable machining process for improved machinability of heterogeneous NFRP composite materials.

KW - A. Natural fibres

KW - D. Optical microscopy

KW - E. Machining

UR - http://www.scopus.com/inward/record.url?scp=85061033582&partnerID=8YFLogxK

U2 - 10.1016/j.compositesa.2019.01.028

DO - 10.1016/j.compositesa.2019.01.028

M3 - Article

VL - 119

SP - 188

EP - 195

JO - Composites Part A: Applied Science and Manufacturing

JF - Composites Part A: Applied Science and Manufacturing

SN - 1359-835X

ER -