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Experimental investigation on micromachining of epoxy/graphene nano platelet nanocomposites.

Fu, Guoyu; Huo, Dehong; Shyha, Islam; Pancholi, Ketan; Alzahrani, Bandar

Authors

Guoyu Fu

Dehong Huo

Islam Shyha

Ketan Pancholi

Bandar Alzahrani



Abstract

This paper investigates the effect of graphene nano-platelet (GNP) content (%weight fraction) on the machinability of epoxy/GNP nanocomposites. The machinability of nanocomposites with varying loadings of GNP content was evaluated experimentally through the characterisation of cutting forces, surface morphology, chip morphology and tool wear. The minimum chip thickness phenomena of epoxy/GNP occurred at feed per tooth (FPT) between 0.2 and 0.4 μm. In order to achieve to better surface quality, the FPT should be over 0.4 µm. Epoxy/GNP with 1.0 wt% nanocomposite has produced the highest cutting force of a feed rate of ~ 3 N at 12 µm/rev. Epoxy/GNP nanocomposites exhibit the different cracking tendencies compare with plain epoxy, and the tool wear for GNP/epoxy nanocomposites is very small compared with metal nanocomposites. There is no significant difference in slot width accuracy between different types of tools, such as uncoated tool, diamond like carbon coated and diamond coated tools.

Journal Article Type Article
Publication Date Apr 30, 2020
Journal International journal of advanced manufacturing technology
Print ISSN 0268-3768
Electronic ISSN 1433-3015
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 107
Issue 7-8
Pages 3169-3183
Institution Citation FU, G., HUO, D., SHYHA, I., PANCHOLI, K. and ALZAHRANI, B. 2020. Experimental investigation on micromachining of epoxy/graphene nano platelet nanocomposites. International journal of advanced manufacturing technology [online], 107(7-8), pages 3169-3183. Available from: https://doi.org/10.1007/s00170-020-05190-4
DOI https://doi.org/10.1007/s00170-020-05190-4
Keywords Micromachining; Micro milling; Nanocomposites; Graphene nano platelet (GNP)

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