What is Thermal Spray Coating?
Thermal Spray Coating is described as applying these coatings takes place by means of special devices/systems through which melted or melted spray substance (material) is propelled at high speed onto a cleaned and prepared component surface.
Thermal spray gun coating is a technology that utilizes a combustion flame or electrical energy to fuse various types of materials, forming a coating on the surface of the substrates, and adding a high-quality, high-performance surface covering for a type of equipment and devices. A thermal spray gun is used in a wide variety of types and shapes, where coating thickness can be specified from thin films to thick overlays. This technology is heavily utilized in all types of industrial fields for upgrading and diversification, as well as improving substrates performance, and development of substrates with new purposes.
Thermal Spray Coating Material
In thermal spray guns, any metal, ceramic, alloy is melted and used as a thermal spray coating material. The Coating Material used in thermal spray depends on the thermal spray process, the coating material can be in wire or powder form. Thermal spray coating is a general term for metalizing any metallic, ceramic, cermet, and some polymeric substances in the form of powder, wire, or rod are fed to a torch or gun with which they are heated to near or somewhat up their melting point. The resulting melted or nearly molten droplets of material are stimulated in a gas stream and projected against the surface to be coated (i.e., the substrate). With high velocity compressed air the droplets flow and particles adhering to the surface, overlapping and interlocking as they solidify.
Thermal Spray Coating Processes
There are several processes of thermal sprayed coating. They are:
• Flame spray gun
• Electric arc spray gun
• Plasma spray and
• High-velocity oxy-fuel spray (HVOF).
Thermal Spray Coating Supplier, Manufacturer in India
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