The tribological properties of sintered iron bearings self-lubricated with perfluoropolyethers (PFPEs) were investigated under severe operating conditions. Tests were carried out at a temperature of 150°C for a range of constant PV values and at room temperature for PV values exceeding the limits laid down by Metal Powder Industry Federation (MPIF) specifications. The performance of the PFPE-lubricated bearings was found to be superior to that bearings lubricated with mineral oil. At 150°C and PV=0.4 MN/ms the life of the PFPE-lubricated bearings exceeded 150 hours without damage -five to six times longer than the life given for such conditions by MPIF specifications.
Tribological behaviour of sintered iron bearings self-lubricated with PFPE under severe operating conditions / Niola, Vincenzo; D'Agostino, V.; Caporiccio, G.. - In: TRIBOLOGY INTERNATIONAL. - ISSN 0301-679X. - 21:2(1988), pp. 105-108. [10.1016/0301-679X(88)90082-5]
Tribological behaviour of sintered iron bearings self-lubricated with PFPE under severe operating conditions
NIOLA, VINCENZO;
1988
Abstract
The tribological properties of sintered iron bearings self-lubricated with perfluoropolyethers (PFPEs) were investigated under severe operating conditions. Tests were carried out at a temperature of 150°C for a range of constant PV values and at room temperature for PV values exceeding the limits laid down by Metal Powder Industry Federation (MPIF) specifications. The performance of the PFPE-lubricated bearings was found to be superior to that bearings lubricated with mineral oil. At 150°C and PV=0.4 MN/ms the life of the PFPE-lubricated bearings exceeded 150 hours without damage -five to six times longer than the life given for such conditions by MPIF specifications.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
