SYMPOSIA PAPER Published: 01 January 1997

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


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.

Author Information

Ratoi-Salagean, M
Imperial College, London, England
Spikes, HA
Imperial College, London, England
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Developed by Committee: D02
Pages: 21–37
DOI: 10.1520/STP11833S
ISBN-EB: 978-0-8031-5366-0
ISBN-13: 978-0-8031-2422-6