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Investigation of Vegetable Oils and Their Derivatives for the Synthesis of Extreme Pressure Additives

The harmful effects of wear can be reduced through proper lubrication of the frictional parts. When exposed to excessive loads, the lubricant film is displaced from the surfaces, and even the adhesive lubricant layer may rupture. Additives known as Extreme Pressure (EP) are frequently incorporated i...

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Autores principales: Nagy, Gábor Zoltán, Nagy, Roland
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10574121/
https://www.ncbi.nlm.nih.gov/pubmed/37834707
http://dx.doi.org/10.3390/ma16196570
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author Nagy, Gábor Zoltán
Nagy, Roland
author_facet Nagy, Gábor Zoltán
Nagy, Roland
author_sort Nagy, Gábor Zoltán
collection PubMed
description The harmful effects of wear can be reduced through proper lubrication of the frictional parts. When exposed to excessive loads, the lubricant film is displaced from the surfaces, and even the adhesive lubricant layer may rupture. Additives known as Extreme Pressure (EP) are frequently incorporated into lubricants to minimise wear and avert seizures under high temperature and pressure. Mechanistically, these additives generate a film on the surface through chemisorption. These additives are extensively applied in various lubricants, with the largest quantities being employed in metalworking fluids and lubricating greases. Sulfurized vegetable oils and their derivates can be used as EP additives for lubricants. To conduct the investigations, sulfurized additives were synthesized using different vegetable-based oils and fatty acid esters, and alpha-olefins. In this study, the Four-ball test results were compared to gain a more accurate comprehension of how various raw-material-based additives influence wear and friction. The goal was to select raw materials that could be used with favorable results for the production of EP additives. The objective was to achieve a minimum Four-ball weld load parameter of 2000 N. The experiments revealed that the functional impacts of the synthesized samples are dependent on the type of raw materials employed. Based on the experimental data and the stated criteria, the examined raw materials were found to be suitable for the synthesis of EP additives.
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spelling pubmed-105741212023-10-14 Investigation of Vegetable Oils and Their Derivatives for the Synthesis of Extreme Pressure Additives Nagy, Gábor Zoltán Nagy, Roland Materials (Basel) Article The harmful effects of wear can be reduced through proper lubrication of the frictional parts. When exposed to excessive loads, the lubricant film is displaced from the surfaces, and even the adhesive lubricant layer may rupture. Additives known as Extreme Pressure (EP) are frequently incorporated into lubricants to minimise wear and avert seizures under high temperature and pressure. Mechanistically, these additives generate a film on the surface through chemisorption. These additives are extensively applied in various lubricants, with the largest quantities being employed in metalworking fluids and lubricating greases. Sulfurized vegetable oils and their derivates can be used as EP additives for lubricants. To conduct the investigations, sulfurized additives were synthesized using different vegetable-based oils and fatty acid esters, and alpha-olefins. In this study, the Four-ball test results were compared to gain a more accurate comprehension of how various raw-material-based additives influence wear and friction. The goal was to select raw materials that could be used with favorable results for the production of EP additives. The objective was to achieve a minimum Four-ball weld load parameter of 2000 N. The experiments revealed that the functional impacts of the synthesized samples are dependent on the type of raw materials employed. Based on the experimental data and the stated criteria, the examined raw materials were found to be suitable for the synthesis of EP additives. MDPI 2023-10-06 /pmc/articles/PMC10574121/ /pubmed/37834707 http://dx.doi.org/10.3390/ma16196570 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Nagy, Gábor Zoltán
Nagy, Roland
Investigation of Vegetable Oils and Their Derivatives for the Synthesis of Extreme Pressure Additives
title Investigation of Vegetable Oils and Their Derivatives for the Synthesis of Extreme Pressure Additives
title_full Investigation of Vegetable Oils and Their Derivatives for the Synthesis of Extreme Pressure Additives
title_fullStr Investigation of Vegetable Oils and Their Derivatives for the Synthesis of Extreme Pressure Additives
title_full_unstemmed Investigation of Vegetable Oils and Their Derivatives for the Synthesis of Extreme Pressure Additives
title_short Investigation of Vegetable Oils and Their Derivatives for the Synthesis of Extreme Pressure Additives
title_sort investigation of vegetable oils and their derivatives for the synthesis of extreme pressure additives
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10574121/
https://www.ncbi.nlm.nih.gov/pubmed/37834707
http://dx.doi.org/10.3390/ma16196570
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