THE LUBRICATING PROPERTIES and industrial uses of Molybdenum Disulphide are sufficiently known and covered in literature to need no comment. It has been known for some years that this solid lubricant, in common with graphite, offers a performance that appears primarily to be related to the amount of impurities present, and secondly to the particle size of the powder, Thus for some industrial lubrication it appears desirable to aim at a size of powder characterised by a maximum number of particles between 1 and 10µ. At the lower end of the scale it would seem that excessive fineness in dispersions (i.e., below 1µ) tends to militate against performance, although for acid refined powders, the upper limit is considerably extended.
DURBRIDGE, C. (1965), "The Effect of Particle Size on the Lubricating Effect of Molybdenum Disulphide", Industrial Lubrication and Tribology, Vol. 17 No. 6, pp. 14-18. https://doi.org/10.1108/eb052778Download as .RIS
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