Experimental study on physical properties of modiﬁed jatropha oilbased nanoﬂuids for machining purposes

Norfazillah, Talib and Nur Fatin Amira, Mohd Sukor and Ainaa Mardhiah, Sabri and Haslina, Abdullah and Amiril Sahab, Abdul Sani (2022) Experimental study on physical properties of modiﬁed jatropha oilbased nanoﬂuids for machining purposes. In: Materials Today: Proceedings; 2nd Innovative Manufacturing, Mechatronics and Materials Forum, iM3F 2021 , 20 September 2021 , Pekan. pp. 1831-1835., 48 (176050). ISSN 2214-7853

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DOI/Official URL: https://doi.org/10.1016/j.matpr.2021.09.141

Abstract

Vegetable-based crude jatropha oil (CJO) was utilized to substitute petroleum-based oil as a metalworking fluid. The usage of petroleum-oil based as a metalworking fluid causes a major concern to the environment and health issues. Besides that, it has a high quantity of free fatty acid (FFA), which causes physical deterioration. This study aims to physically test the new formulation oil-based on modified jatropha nanofluids as the metalworking fluid for machining purposes. To create modified jatropha oil (MJO), CJO was chemically modified through the esterification and transesterification process. MJO was combined with nanoparticles which are activated carbon (AC) at the concentration of 0.01 wt%, 0.025 wt% and 0.05 wt% to create the nanofluids. The properties of MJO nanofluids were tested using ASTM standards for viscosity and acid value and were compared with the synthetic ester (SE). All of the results indicate that the physical qualities improved during the storage period. MJOa3 (MJO + 0.05 wt% AC), it may be inferred, has potential as a long-term metalworking fluid for the machining process. Based on the experiment result, for kinematic viscosity, MJOa3 shows better results during the period from day 1 to day 7 compared to non-additive MJO. MJOa3 recorded the highest viscosity index (184). In addition, MJOs have the lowest acid value of 0.4 to 0.48 mg NaOH/g. In conclusion, the presence of AC helps MJO to improve their properties and MJOa3 shows excellent lubricant properties from all the samples.

Item Type:	Conference or Workshop Item (Lecture)
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Activated carbon; Metalworking fluid; Modified jatropha oil; Nanofluids
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TS Manufactures
Faculty/Division:	College of Engineering Faculty of Manufacturing and Mechatronic Engineering Technology
Depositing User:	Mr Muhamad Firdaus Janih@Jaini
Date Deposited:	13 Dec 2023 07:23
Last Modified:	13 Dec 2023 07:23
URI:	http://umpir.ump.edu.my/id/eprint/39639
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