Some thought has been given to addition
of material to lubricants which would aid in providing a more uniform surface
on gear faces as they operated. Thus, a report was
made of the use of molybdenum
disulfide particles, mixed with the lubricant, which were presumed to pack in irregularities of the teeth on a large gear. Where other solids are used in
gear lubricants, they may act as mild abrasives and, thus, produce a polished surface after running. Where gear faces are
smoothed out during operation,
the action is
probably due to
attrition. Therefore, any self
healing procedure for such
surfaces remains to be
devised.
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