Rollers and work rolls including surface coatings
AssigneeMaxterial, Inc.
InventorsAtieh Haghdoost, Mehdi Kargar, Ersan Ilgar, Daniel Church
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Abstract
Metal work rolls that contact a functional fluid during movement of a rotatable body are described. The rotatable body can include a coated surface with a surface coating. The surface coating can include a metal or metal alloy such as, for example, a molybdenum alloy or a nickel alloy or a tungsten alloy. Systems and processes using the coated work rolls are also described.
Claims28
A roller comprising a cylindrical substrate comprising an outer surface configured to contact another material during processing of the another material, wherein at least a portion of the outer surface of the cylindrical substrate is a coated surface, wherein the coated surface comprises a surface coating, and wherein the surface coating comprises an alloy layer comprising (i) molybdenum, (ii) phosphorous, and (iii) at least one element selected from the group consisting of nickel, tungsten and tin, wherein the alloy layer is free from chromium, cadmium, cyanide, lead and fluoro compounds, and wherein the alloy layer comprises uniform and non-uniform grain sizes with an average grain size less than 2 microns.
Dependencies are inferred from the claim text.