Nurul Waheeda, Abdu Rahman and Mohd Aizudin, Abd Aziz and Norasiha, Hamid and Nur Suhaila, Anang Japar (2020) Thermal stability study of grease formulated from industrial waste oil. Platform: A Journal of Engineering, 4 (1). pp. 20-28. ISSN 2636-9877. (Published)
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Abstract
This is aimed to investigate the effect of additives on thermal stability of grease formulated with waste transformer oil (WTO). One of the key factors of grease functionality is thermal stability. Grease is unsuitable for high-temperature use if the matrix is unable to withstand high temperature. Addition of additive is able to improve the grease thermal stability. In this work, three types of additives (molybdenum disulphide, fumed silica, and polytetrafluoroethylene) were tested as thermal stability additive. The grease was characterized using ASTM International standards and SKF’s Grease Test Kit. Based on grease characterization, the addition of additive was found slightly affecting the grease properties. Fumed silica was observed able to improve the grease thermal stability by 3.6%.
Item Type: | Article |
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Uncontrolled Keywords: | Waste transformer oil, thermal stability, sodium grease, molybdenum disulphide, fumed silica, PTFE |
Subjects: | T Technology > TP Chemical technology |
Faculty/Division: | Institute of Postgraduate Studies Faculty of Chemical and Process Engineering Technology |
Depositing User: | Noorul Farina Arifin |
Date Deposited: | 19 Oct 2020 03:03 |
Last Modified: | 19 Oct 2020 03:11 |
URI: | http://umpir.ump.edu.my/id/eprint/29628 |
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