Bibliografías temáticas / Zinc dialkyldithiophosphate additive

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Literatura académica sobre el tema "Zinc dialkyldithiophosphate additive"

Autor: Grafiati
Publicado: 7 de junio de 2025
Última modificación: 2 de agosto de 2025

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Artículos de revistas sobre el tema "Zinc dialkyldithiophosphate additive"

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BORISOV, B. S., A. A. LAUSHKIN, and A. A. KHAZIEV. "EVALUATION OF THE ADDITIVE CONTENT IN MOTOR OILS BY THE IR-FOURIER METHOD." World of transport and technological machines 78, no. 3-2 (2022): 19–25. http://dx.doi.org/10.33979/2073-7432-2022-2(78)-3-19-25.

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Described principle of motor oils analysis by IR-spectroscopy for determination of its chemical changes at exploitation process. Fresh and used engine oils are evaluated. The changes in the basic physicochemical properties are studied in addition to the study of the IR spectrum. To study the IR spectra, typical additives used in motor oils, their structural formulas were analyzed and the typical wave numbers at which the compounds of the additives considered are absorbed were determined. Differences in the wavelengths characteristic of zinc dialkyldithiophosphate were recorded and a conclusion
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Taylor, L., A. Dratva, and H. A. Spikes. "Friction and Wear Behavior of Zinc Dialkyldithiophosphate Additive." Tribology Transactions 43, no. 3 (2000): 469–79. http://dx.doi.org/10.1080/10402000008982366.

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Oumahi, Camella, Thierry Le Mogne, Antonio Aguilar-Tapia, et al. "Impact of Fatty Triamine on Friction Reduction Performance of MoDTC Lubrication Additive." Lubricants 10, no. 12 (2022): 365. http://dx.doi.org/10.3390/lubricants10120365.

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The impact of a fatty triamine (Triameen YT) additive was investigated on the friction performance and stability of molybdenum dithiocarbamate (MoDTC) in the formulations containing polyalphaolefin synthetic base oil (PAO) and zinc dialkyldithiophosphate (ZDDP). Triamine has no significant effect when mixed with MoDTC and ZDDP, but it improves the performance of MoDTC alone. However, in the MoDTC—Triamine—PAO solutions, a chemical reaction easily occurred and a reddish precipitate was formed upon storage. According to IR, XPS, TEM, and XAS characterizations, this precipitate is poorly crystall
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MOLENDA, Jarosław. "THE INFLUENCE OF ZINC DIALKYLDITHIOPHOSPHATE AND PHENOL ANTIOXIDANT ON THE EFFICIENCY OF UNSATURATED ANTIWEAR ADDITIVES." Tribologia, no. 5 (October 31, 2017): 47–55. http://dx.doi.org/10.5604/01.3001.0010.5902.

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The aim of the work was to determine the influence of antioxidants, i.e. 2,6-ditertbuthylphenole (DBF) and zinc dialkyldithiophosphate (ZDDP) on the antiwear (AW) activity of the model lubricant, containing 1% w/w 3-allyloxy-1,2 propandiol in n-hexadecane (C16). The results have shown no negative impact of phenol antioxidant on the overall antiwear efficiency of the unsaturated additive. The other type of antioxidant (ZDDP) not only maintained the initial AW properties of the additive but also enhanced its final efficiency by 80% in comparison to the n-hexadecane containing 1% AW additive. The
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Topolovec Miklozˇicˇ, K., and H. A. Spikes. "Application of Atomic Force Microscopy to the Study of Lubricant Additive Films." Journal of Tribology 127, no. 2 (2005): 405–15. http://dx.doi.org/10.1115/1.1843159.

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Constant force mode atomic force microscopy is used to examine the films formed on steel surfaces by three different types of lubricant additive. Work on molybdenum dithiocarbamate friction modifier additive solutions shows that this additive forms tiny domains of low friction on the high spots of rubbed surfaces. Complementary Raman surface analysis suggests that these domains represent crystallites of MoS2. Study of the reaction films formed by zinc dialkyldithiophosphate additives confirms the formation of pad-like structures by these additives on rubbed surfaces. Primary and secondary form
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Zaarour, Moussa, Hussein El Siblani, Nicolas Arnault, Philippe Boullay, and Svetlana Mintova. "Zeolite Nanocrystals Protect the Performance of Organic Additives and Adsorb Acid Compounds during Lubricants Oxidation." Materials 12, no. 17 (2019): 2830. http://dx.doi.org/10.3390/ma12172830.

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Zeolite nanocrystals were used as proactive agents to extend the lifetime of commercial lubricants by protecting the performance additives from depletion and adsorbing the acid formed during oxidation. The nanosized zeolites were introduced into four lubricants and subjected to oxidation (90 °C and 150 °C). A strong affinity towards protection of zinc dialkyldithiophosphate (ZDDP) additive was demonstrated by 31P NMR (nuclear magnetic resonance) and FTIR (fourier-transform infrared) spectroscopy even after heating at 150 °C for 24 h. FTIR profiles of lubricants aged in the presence of LTL (Lin
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Rhodes, Kent L., and Peter C. Stair. "The surface chemistry of zinc dialkyldithiophosphate, an antiwear additive, on oxidized iron and steel foils." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 6, no. 3 (1988): 971–74. http://dx.doi.org/10.1116/1.575042.

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Yue, Wen, Xiaocheng Gao, Chengbiao Wang, Xingliang Li, Song Wang, and Jiajun Liu. "Synergistic Effects between Plasma-Nitrided AISI 52100 Steel and Zinc Dialkyldithiophosphate Additive under Boundary Lubrication." Tribology Transactions 55, no. 3 (2012): 278–87. http://dx.doi.org/10.1080/10402004.2011.651771.

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Hu, X., G. Yuan, and Z. Zhou. "Synthesis and characterisation of an effective N-containing zinc diaryl-dialkyldithiophosphate additive by mannich reaction." Lubrication Science 11, no. 2 (1999): 165–74. http://dx.doi.org/10.1002/ls.3010110204.

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IJRAME, Journal. "Research on tribological characteristics of a new grease produced by mixed vegetable oil for low-speed application." International Journal of Research in Aeronautical and Mechanical Engineering 13, no. 5 (2025): 09–33. https://doi.org/10.5281/zenodo.15360386.

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This study explores the potential of vegetable oils as a sustainable alternative to mineral oils in grease formulation. The research focuses on producing bio-based greases using non-edible vegetable oils, specifically a blend of castor and jatropha oils in different proportions. Lithium hydroxide (LiOH) used as a thickener, while zinc dialkyldithiophosphate (ZDDP) additive was added to improve tribological properties of the bio- grease. According to factorial matrix, ten samples of bio-grease with different amount of base oil, thickener and additive were produced and tested for cone penetratio
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Tesis sobre el tema "Zinc dialkyldithiophosphate additive"

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Alliston-Greiner, Alexander Frank. "The role of zinc dialkyldithiophosphate additives in lubrication." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278357.

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Olomolehin, Yewande. "The influence of zinc dialkyldithiophosphate and other lubricant additives on soot-induced wear." Thesis, Imperial College London, 2009. http://hdl.handle.net/10044/1/6376.

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Diesel engines are becoming increasingly popular in both passenger and commercial vehicles because they offer better fuel efficiency than their gasoline counterparts. However, a disadvantage of this type of engine is the high volumes of soot it produces, which can contribute to an increase in wear of the engine components. A number of wear mechanisms have been proposed to explain wear by soot, of which the abrasive mechanism is still the most widely accepted. Lubricant additives such as zinc dialkyldithiophosphate (ZDDP) are frequently used as antiwear (AW) agents but the combined effect of so
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Capítulos de libros sobre el tema "Zinc dialkyldithiophosphate additive"

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Korcek, S., R. K. Jensen, and M. D. Johnson. "Interactions Leading to Formation of Low Friction Films in Systems Containing Molybdenum Dialkyldithiocarbamate and Zinc Dialkyldithiophosphate Additives." In Thinning Films and Tribological Interfaces, Proceedings of the 26th Leeds-Lyon Symposium on Tribology. Elsevier, 2000. http://dx.doi.org/10.1016/s0167-8922(00)80144-3.

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Actas de conferencias sobre el tema "Zinc dialkyldithiophosphate additive"

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Hu, Jianqiang, Junbing Yao, and Zhanhe Du. "Opportunities for Replacement of Phosphorus and Dithiophosphates in Lubricating Oil With Borate Ester Additive Containing Nitrogen." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63348.

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The poisoning of exhaust catalysts by phosphorus has lead to research to provide new additives packages to reduce or displace the use of ZDDP. In this research a four-ball tester was used to evaluate the tribological performances of organic borate ester containing nitrogen (BNO) combined with zinc dialkyldithiophosphate (ZDDP) or tin dialkyldithiocarbamates (SnDDC) in base oil respectively. The results indicate that the combination of these additives with organic borates ester can exhibit better antiwear synergism than either component separately without impairing load carrying abilities. Espe
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Aoki, Saiko, Masabumi Masuko, and Akihito Suzuki. "Effect of Coexistent Additives on the Friction Characteristics and Tribofilm formation of Zinc Dialkyldithiophosphate." In JSAE/SAE International Fuels & Lubricants Meeting. SAE International, 2007. http://dx.doi.org/10.4271/2007-01-1989.

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Azhari, Muhamad Azwar, Nor Hasrul Akhmal Ngadiman, Noordin Mohd Yusof, and Ani Idris. "Tribological properties improvement of zinc induced palm oil bio-lubricant with addition of Molybdenum Dialkyldithiophosphate." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON GREEN ENGINEERING & TECHNOLOGY 2022 (ICONGETECH 2022). AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0198914.

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Spencer, N. D., R. Heuberger, J. Antifakos, and A. Rossi. "The Role of Temperature and Substrate Pairing in the Tribochemistry of Phosphorus-Based Additives." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64290.

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The tribochemical mechanism of phosphorus-containing additives is important to understand, even if the ultimate aim is to replace them with something more environmentally benign. In a combinatorial experiment that explored a range of temperatures (RT-180°C), loads, two additives, and two substrate pairings, it was observed that zinc dialkyldithiophosphate (ZnDTP) reacted with steel surfaces to produce phosphate at room temperature, pyrophosphate at 130°C, and polyphosphate at 180°C. Metal-ceramic pairings did not seem to produce long-chain polyphosphates at 150°C. It was also observed that met
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Bec, Sandrine, Karim Demmou, Jean-Luc Loubet, Sophie Pavan, Clotilde Minfray, and Jean-Michel Martin. "Mechanical Properties of ZnDTP Tribofilms Measured by Nanoindentation at Controlled Temperature." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64011.

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Zinc dialkyldithiophosphates (ZnDTPs) are known to be anti-oxydant and antiwear additives under boundary lubrication conditions and are thus extensively used for car engine lubrication. It was demonstrated that their anti-wear action is associated with the formation of a protective tribofilm on the rubbing surfaces. In this study, mechanical properties of a ZnDTP tribofilm were measured by nanoindentation at various temperature ranging from room temperature to 80°C. From these first tests, it was found that the hardness of the tribofilm measured at 80°C is half the hardness value measured at r
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Bec, S., K. Demmou, and J. L. Loubet. "Mechanical Properties of ZDTP Tribofilms Measured by Nanoindentation: Strain Rate and Temperature Effects." In STLE/ASME 2008 International Joint Tribology Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ijtc2008-71145.

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This study aims to contribute to better understand the antiwear action of zinc dialkyldithiophosphate (ZDTP) additives used in car engine lubrication. The antiwear action of ZDTP is associated to the formation of a protective tribofilm onto the rubbing surface. On a mechanical point of view, the efficiency of ZDTP tribofilms results from equilibrium between film formation and wear rates, associated with appropriate rheological properties. In this work, the mechanical properties of a ZDTP tribofilm have been measured by nanoindentation in different test conditions in order to investigate the ef
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