Heating device, applications therefore, an ohmically resistive coating, a method of depositing the coating using cold spray and a blend of particles for use therein
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United States of America
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Mar 11, 2025
Grant Date -
Feb 10, 2022
app pub date -
Sep 27, 2019
filing date -
Sep 27, 2019
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Abstract
A heating device may include a substrate and a heating element disposed on a surface of the substrate. The heating element may include an ohmically resistive coating having a layer thickness of 2 to 300 microns. The ohmically resistive coating may include at least 30% by weight of at least one ductile or malleable metal and a plurality of electrically resistive particles. The ohmically resistive coating may be deposited via the at least one of the cold spray and the solid state deposition performed at a temperature below at least one of a melting temperature and a partially softening temperature of the at least one ductile or malleable metal. The ohmically resistive coating may exhibit less heterogeneity and porosity than a thermally sprayed coating, may have a density of 90% or greater, and may have a porosity of 10% or less.
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