Abstract
Auger electron spectroscopy depth profile analysis was used to study the reaction layers formed under Reichert wear test conditions in the presence of four different extreme pressure additives and hence to try to determine the wear prevention mechanism. Wear protection on Reichert wear test specimens was found to correlate with the formation of a thin, sulphur-rich reaction layer in the worn surface. Under FZG gear test conditions, phosphorus in the reaction layer appeared to be necessary for good wear protection
Published Version
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