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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Lipophilic magnetite nanoparticles coated with stearic acid: A potential green and low cost way to improve thermal stability and tribological properties of fully formulated low viscosity engine oils

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Author(s):
Zuin, Andre [1] ; Cousseau, T. [1] ; Sinatora, A. [2] ; Toma, H. E. [3]
Total Authors: 4
Affiliation:
[1] Fed Univ Technol, Mech Engn Dept, Curitiba, Parana - Brazil
[2] Inst Tecnol Vale, Av Juscelino Kubitschek 31, BR-35400000 Bauxita, Ouro Preto - Brazil
[3] Univ Sao Paulo, Inst Chem, Lab Supramol Chem & Nanotechnol, Sao Paulo - Brazil
Total Affiliations: 3
Document type: Journal article
Source: TRIBOLOGY INTERNATIONAL; v. 146, JUN 2020.
Web of Science Citations: 0
Abstract

Lipophilic nanoparticles of magnetite (d approximate to 10 nm) functionalized with stearic acid (MagNP) were tested as additive in modern engine oil with low viscosity and high additization. Its thermal and tribological properties were evaluate using TG/DTA and a high frequency reciprocating tribometer, respectively. All tests were performed with the neat oil and the oil+MagNP. The analysis showed that MagNP: i) improved thermal stability of the engine oil; ii) kept friction values lower and more stable; iii) drastically reduce wear marks; iv) improved the deposition of additives from the lubricating oil onto the worn surface. (AU)

FAPESP's process: 13/19145-9 - Effect of addition of magnetite nanoparticles on the friction and wear in lubricated tests that simulate the system ring-cylinder in flex-fuel type engine
Grantee:Andre Zuin
Support Opportunities: Scholarships in Brazil - Post-Doctoral