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Experimental investigation on micromachining of epoxy/graphene nano platelet nanocomposites

Lookup NU author(s): Guoyu Fu, Dr Dehong Huo, Dr Islam Shyha, Dr Ketan Pancholi

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

© 2020, The Author(s).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 compared 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.


Publication metadata

Author(s): Fu G, Huo D, Shyha I, Pancholi K, Alzahrani B

Publication type: Article

Publication status: Published

Journal: International Journal of Advanced Manufacturing Technology

Year: 2020

Volume: 107

Pages: 3169-3183

Online publication date: 10/04/2020

Acceptance date: 09/03/2020

Date deposited: 07/12/2020

ISSN (print): 0268-3768

ISSN (electronic): 1433-3015

Publisher: Springer

URL: https://doi.org/10.1007/s00170-020-05190-4

DOI: 10.1007/s00170-020-05190-4


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