The Lubricant Film-Forming Properties of Modern Fire Resistant Hydraulic Fluids

    Published: Jan 1997

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    Fire resistant hydraulic fluids tend to show significantly poorer ribological performance in hydraulic systems than conventional mineral oil-based fluids. There have recently been performance problems associated with increases of operating temperatures of mining hydraulics. This paper describes measurements of the elastohydrodynamic and boundary film-forming properties of a range of different hydraulic fluid types at temperatures up to 80°C. These are compared with friction and wear results obtained using the same fluids.


    elastohydrodynamic lubrication, film thickness, hydraulic fluid, fire resistant, wear

    Author Information:

    Ratoi-Salagean, M
    Research student and Reader, Imperial College, London,

    Spikes, HA
    Research student and Reader, Imperial College, London,

    Committee/Subcommittee: D02.N0

    DOI: 10.1520/STP11833S

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