An excellent read for those interested in bearings, lubrication, and lubrication intervals.
Thank you for your time and patience,
Hubert
Thank you for your time and patience,
Hubert
It also can occur naturally as Corundum crystal. Saphire and Ruby are in the Corundum family. At my place of employment we grow it and the SiC boules. But what is interesting about the aluminum oxide as it may work even better on aluminum windings than copper because you can get a very uniform and thin insulation by hard anodization.
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