eliminated by the use of microcrystalline waxes on the
subject to galvanic corrosion, when an aluminum
surface passes over another aluminum surface, there is
sliding surfaces and teflon-coated aluminum pistons and
tubes. Teflon coatings and wax finishes also serve to
it tendency for the surfaces to gill. Galling also occurs
when a cadmium surface rubs against another cadmium
reduce friction between sliding members of propellant
actuated devices.
surface, as a cadmium plated piston sliding (stroking)
through a cadmium-plated bushing.
Galling is
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