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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ratoi, Monica
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2021Mechanism of oil-lubrication of PEEK and its composites with steel counterpartscitations
- 2020The role of synthetic oils in controlling hydrogen permeation of rolling/sliding contactscitations
- 2020Hydrocarbon lubricants can control hydrogen embrittlementcitations
- 2019Effect of lubrication on friction and wear properties of PEEK with steel counterpartscitations
- 2019Formation of surface deposits on steel and titanium aviation fuel tubes under real operating conditionscitations
- 2017Self-lubricating Al-WS2 composites for efficient and greener tribological partscitations
- 2015WS2 nanoadditized lubricant for applications affected by hydrogen embrittlementcitations
- 2014WS2 nanoparticles - potential replacement for ZDDP and friction modifier additivescitations
- 2000Molecular scale liquid lubricating filmscitations
- 2000Mechanisms of oiliness additivescitations
Places of action
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article
Mechanisms of oiliness additives
Abstract
Ultrathin film interferometry has been used to measure the boundary film-forming behaviour of long chain, carboxylic acid oiliness additives. It has been shown that in dry conditions, these acids form very thin films of around 2–3 nm thickness. However when water is present, some acids form significantly thicker films, around 10 nm in thickness. The behaviour of these films is very similar to that previously seen with metal carboxylate additive films, including thick film collapse at high rolling speeds followed by film reformation at slow speeds. It is suggested thick films formed by long chain carboxylic acid additives result from reaction of the acids at the rolling solid surfaces in the presence of water to form deposits of insoluble iron carboxylate.