Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/4046
Título: Influence of grease rheology on thrust ball bearings friction torque
Autor: Cousseau, Tiago
Graça, Beatriz M.
Campos, A.
Seabra, Jorge
Palavras-chave: Greases
Grease rheology
Rolling bearing
Friction torque
Data: 2012
Editora: Elsevier
Relatório da Série N.º: Tribology International; Vol. 46, Issue 1
Resumo: The friction torque and the operating temperatures in a thrust ball bearing were measured for seven different types of greases, including three biodegradable greases having low toxicity. These friction torque tests were performed using a modified Four-Ball machine. Rheological evaluations of the lubricating greases were made using a rheometer. Bleed oils were extracted from the greases and the dynamic viscosities were measured. In order to compare the performance of the lubricant greases in terms of friction, the grease characteristics were related to experimental results, showing that the interaction between thickener and base oil have strong influences in the bearing friction torque.
Peer review: yes
URI: http://hdl.handle.net/10400.22/4046
ISSN: 0301-679X
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0301679X11001691
Aparece nas colecções:ISEP – CIDEM – Artigos

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