The effect of a solid additive on rolling fatigue life |
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Authors: | L Arizmendi A Rincon JM Bernardo |
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Affiliation: | 1. Instituto de Química Física ‘Rocasolano’. CSIC. Serrano, 119. 28006 Madrid, Spain |
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Abstract: | Behaviour of a series of lubricant oils and the effect of a non stoichiometric inorganic compound, as solid extreme pressure additive, on rolling fatigue life are studied using the rolling four-ball accelerated service simulation test proposed by Barwell and Scott. The results show, in all tested cases, the remarkable efficacy of this type of additive. The Total Acidity Number (tan) was found to increase with performance time for the case of the base lubricant, while for the oils with additives, it remained at its constant low value. This led to a proposal of a possible mechanism of the additive performance in the rolling process. |
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Keywords: | lubricant additives fatigue life ep additives rolling contact |
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