Effects of reinforcement percentages in AWJM of zirconia coated MWCNTs reinforced HDPE composites

Document Type

Article

Publication Title

Journal of Reinforced Plastics and Composites

Abstract

This study investigates the effects of abrasive water jet machining parameters on plain HDPE specimens and zirconia-coated multiwall carbon nanotube (ZrO2-MWNT) HDPE composite specimens. In this experiment, 1–4 wt.% of zirconia-coated multiwall carbon nanotubes were added to the HDPE matrix. The results indicate that water pressure significantly impacts surface roughness in neat HDPE, while stand-off distance shows increased influence in reinforced HDPE composites, likely due to altered jet-material interaction from hard-phase reinforcements. This sequence of influences is observed in both cases. Furthermore, in each trial of machining, the surface roughness of neat HDPE is less than the roughness of zirconia-coated multiwall carbon nanotube reinforced HDPE. The experimentation results confirmed that as the percentage of the zirconia-coated multiwall carbon nanotubes increases, there is an increment in the hardness of the material and in roughness values, which signifies that the addition of reinforcement significantly affects surface roughness.

DOI

10.1177/07316844251374773

Publication Date

1-1-2025

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