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Title: | Machinability of natural-fibre-reinforced polymer composites: Conventional vs ultrasonically-assisted machining |
Authors: | Wang, Dong Onawumi, P.Y. Ismail, S.O. Dhakal, H.N. Popov, I. Silberschmidt, Vadim V. Roy, Anish |
Keywords: | Natural fibers Optical microscopy Machining |
Issue Date: | 2019 |
Publisher: | © Elsevier BV |
Citation: | WANG, D. ... et al., 2019. Machinability of natural-fibre-reinforced polymer composites: Conventional vs ultrasonically-assisted machining. Composites Part A: Applied Science and Manufacturing, 119, pp. 188-195. |
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. |
Description: | This paper is in closed access until 31st January 2020. |
Sponsor: | SOI sincerely acknowledges the funding provided by the Niger-Delta Development
Commission of Federal Government, Nigeria (NDDC/DEHSS/2013PGFS/OND/3). |
Version: | Accepted for publication |
DOI: | 10.1016/j.compositesa.2019.01.028 |
URI: | https://dspace.lboro.ac.uk/2134/36865 |
Publisher Link: | https://doi.org/10.1016/j.compositesa.2019.01.028 |
ISSN: | 1359-835X |
Appears in Collections: | Closed Access (Mechanical, Electrical and Manufacturing Engineering)
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