Effect of Slip-to-Roll Ratio on Wear Rate and Friction Coefficient of Palm Oil-Base Biolubricant with Additive of Graphene

Dedi Rosa Putra Cupu; Aryo Kuncoro Adji; Kaspul  Anuar; Efi Afrizal; Nazaruddin

doi:10.31258/proksima.v2i1.23

Penulis

Dedi Rosa Putra Cupu
Aryo Kuncoro Adji Department of Mechanical Engineering, Universitas Riau
Kaspul Anuar
Efi Afrizal
Nazaruddin

DOI:

https://doi.org/10.31258/proksima.v2i1.23

Kata Kunci:

Slip-to-Roll Ratio, palm oil-based lubricant, graphene nanolayers, disc-on-disc tribometer, friction coefficient

Abstrak

During machine is in operation, some machine elements will contact causing a rubbing between the elements. When the contacting parts is subjected to a mechanical force, a phenomenon called friction and wear arise. Contacting of both elements with the same tangential velocity refers to pure rolling contact which means there is no slip between them. Lubricants are usually used between the contacting materials to reduce friction and wear. Nowadays, commercial lubricants are from mineral oils which are dangerous to human beings and the environment. An alternative to reduce the use of mineral oil is by using vegetable-based oils. This research was experimentally conducted to study the effect of slip-to-roll ratio (SRR) on the wear rate and coefficient of friction for biolubricant made of palm oil and graphene nanolayers as additives using disc-on-disc tribometer. The experimental results show that the value of the wear rate and friction coefficient is directly proportional to the value of the slip ratio on the two discs. This means that the greater the slip ratio that occurs, the greater the value of the wear rate and friction coefficient produced.

Unduhan

Data unduhan belum tersedia.

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