SELF-LUBRICATED COATING AND METHOD
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United States of America Patent
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Issued Date -
Aug 8, 2013
app pub date -
Apr 1, 2011
filing date -
Apr 6, 2010
priority date (Note) -
Abandoned
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Abstract
Coating and method for providing a self-lubricated coating on a substrate. The method includes spraying with an inert gas at least a layer of liquid metal on the substrate; adding a compound to the liquid metal while being sprayed on the substrate; forming a porous layer on the substrate that includes the metal and the compound, where the porous layer has plural pores; heating the porous layer to open the pores; flooding the open pores with a greasing substance such that part of the greasing substance is stored in one or more pores; and cooling the porous layer to close the pores and trap the greasing substance inside the pores.
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