ISIS Neutron and Muon Source Data Journal

Investigation of Shear-Dependent Conformational Changes of Acetic Acid-doped Organic Friction Modifier Films at the Iron Oxide/Oil Interface

Abstract: Lubrication ensures the reliable operation of combustion engines whilst also offering a reduction in emissions and fuel consumption. Organic friction modifiers (OFMs) are a common class of friction reducing additives included in engine lubricants and are known to adsorb at metal surfaces. However, the exact mechanism by which they operate has yet to be defined. To understand how these additives function, a novel tribometer rig has been developed. This enables neutron reflectivity experiments to be carried out at elevated temperatures and pressures, whilst the surface is sheared. In this set of experiments, we will measure the thickness of the film formed by Ethomeen 18/12 molecules on iron oxide surfaces as a function of shear rate and acetic acid doping.

Principal Investigator: Dr Alex Routh
Local Contact: Dr Rebecca Welbourn
Experimenter: Dr Thomas McCoy
Experimenter: Miss Beatrice Boggio Robutti
Experimenter: Professor Peter Dowding
Experimenter: Dr Alexander Armstrong
Experimenter: Mr Colin Willis

DOI: 10.5286/ISIS.E.RB2220240

ISIS Experiment Number: RB2220240

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Dr Alex Routh et al; (2022): Investigation of Shear-Dependent Conformational Changes of Acetic Acid-doped Organic Friction Modifier Films at the Iron Oxide/Oil Interface, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2220240

Data is released under the CC-BY-4.0 license.