Ascorbyl Palmitate-Vitamin C Effective Friction Modifier and Wear Inhibitor for Steel in a PAO Base Oil

Autor: Yun Long, Jean Michel Martin, Frederic Dubreuil, Benoit Thiebaut, Sophie Loehle, Corinne Lacassagne, Maria-Isabel De Barros Bouchet

Publikováno v: Lubricants, Vol 10, Iss 10, p 253 (2022)

Ascorbyl palmitate (AP), known as a nutrition pill, and an antioxidant agent in food, has demonstrated excellent lubricity as an additive in PAO4. Adding one wt% AP in PAO4 drastically decreases friction Coefficient (CoF) up to 66% and protects the s

Externí odkaz: https://doaj.org/article/3f1ea2e1bdce46478297a664bcfe125b

Experimental and Ab Initio Characterization of Mononuclear Molybdenum Dithiocarbamates in Lubricant Mixtures

Autor: Franck Delayens, Hervé Vezin, Benoit Thiebaut, Gabriele Losi, Sophie Loehlé, Maria Clelia Righi, Stefan Peeters

Publikováno v: Langmuir
Langmuir, American Chemical Society, 2021, 37 (16), pp.4836-4846. ⟨10.1021/acs.langmuir.1c00029⟩
Langmuir, 2021, 37 (16), pp.4836-4846. ⟨10.1021/acs.langmuir.1c00029⟩

International audience; Molybdenum dithiocarbamates (MoDTCs) are a class of lubricant additives widely employed in automotives. Most of the studies concerning MoDTC take into account the dimeric structures because of their industrial relevance, with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bac460dc3fff93ec42fb0a276988507
https://hal.univ-lille.fr/hal-03270327

Effect of Adding TiO2 Nanoparticles to a Lubricant Containing MoDTC on the Tribological Behavior of Steel/Steel Contacts Under Boundary Lubrication Conditions

Autor: Th. Le Mogne, I. Z. Jenei, Clotilde Minfray, Benoit Thiebaut, Pushkar Deshpande, Fabrice Dassenoy

Publikováno v: Tribology Letters
Tribology Letters, Springer Verlag, 2020, 68 (1), ⟨10.1007/s11249-020-1278-0⟩

The tribological performance of lubricants containing TiO2 nanoparticles and Molybdenum DiThioCarbamate (MoDTC) was investigated using a reciprocating ball-on-flat tribometer in steel–steel contacts. Lubricants containing only MoDTC were used for c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80501150bdd714d056aa17ebd8869d7e
https://hal.archives-ouvertes.fr/hal-02952552

MoS2 formation induced by amorphous MoS3 species under lubricated friction

Autor: M. I. De Barros-Bouchet, Pavel Afanasiev, Stéphane Loridant, Christophe Geantet, C. Oumahi, C Charrin, Benoit Thiebaut, T. Le Mogne

Publikováno v: RSC Advances
RSC Advances, Royal Society of Chemistry, 2018, 8 (46), pp.25867-25872. ⟨10.1039/c8ra03317j⟩

International audience; Amide molybdate has been recently introduced as a friction modifier for tribological applications. Combined with zinc dithiophosphate (ZDDP) and fatty amines, it provides an ultralow friction coefficient. The ultimate product

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30fcca2c2d67be5ca1fc3cc443aa12e1
https://doi.org/10.1039/c8ra03317j

Characterization of Molybdenum Dithiocarbamates by First-Principles Calculations

Autor: Sophie Loehlé, Benoit Thiebaut, Stefan Peeters, Paolo Restuccia, Maria Clelia Righi

Publikováno v: The journal of physical chemistry. A 123 (2019): 7007–7015. doi:10.1021/acs.jpca.9b03930
info:cnr-pdr/source/autori:Peeters S.; Restuccia P.; Loehle S.; Thiebaut B.; Righi M.C./titolo:Characterization of Molybdenum Dithiocarbamates by First-Principles Calculations/doi:10.1021%2Facs.jpca.9b03930/rivista:The journal of physical chemistry. A/anno:2019/pagina_da:7007/pagina_a:7015/intervallo_pagine:7007–7015/volume:123

Molybdenum dithiocarbamate (MoDTC) is a well-known lubricant additive, which, in tribological conditions, is capable of forming layers of MoS2 with excellent friction reduction properties. Despite being widely employed in commercial engine oils, a co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ef9b73855aba26c1eb3be994fdb26a4
https://pubmed.ncbi.nlm.nih.gov/31318554