Tribological properties of oil palm fiber-derived graphene coatings on piston ring; influence of hydrogen flow rate during CVD process

IF 5.3 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2025-03-25 DOI:10.1016/j.wear.2025.206054

Raied Mehtab , Nurin Wahidah Binti Mohd Zulkifli , Mohd Faizul Bin Mohd Sabri , Ardian Morina , Mohd Fadzli Bin Abdollah , Hilmi Bin Amiruddin , Syahrullail Bin Samion , Mohamad Firdaus bin Saharudin

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Abstract

This study aims to investigate the influence of varying hydrogen flow rates on the tribological properties of graphene-coated piston rings developed via chemical vapor deposition (CVD) with oil palm fiber as precursor. Graphene was derived from oil palm fiber and polystyrene with varying Hydrogen (H₂) flow rate in the CVD process i. e, 200, 400, 600 and 800 sccm and deposited on piston rings. The tribological tests were conducted using a high-frequency reciprocating rig (HFRR) according to ASTM G181 – 11 engineering standards. The load of 10N was kept constant for each test and the test was performed till 300m sliding distance was attained. Among all four hydrogen flow rates, it was observed that graphene-coated piston ring developed with 600 sccm and 800 sccm hydrogen flow rates show enhanced tribological properties when derived from 100 wt% of oil palm fiber and polystyrene respectively. The coated piston ring results were compared with non-coated commercially used piston rings and it was found that the coefficient of friction and wear rate of 600 sccm oil palm fiber based graphene coated piston ring was reduced by 20 % and 70 % respectively as compared to uncoated piston ring.

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.