flame spray gun
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100 Piece (MOQ)
flame spray gun
300,000 - 400,000 Per Piece
1 Piece(s) (MOQ)
thermal spraying is a group of processes wherein a feedstock material is heated and propelled asindividual particles or droplets onto a surface. The thermal spray gun generates the necessary heat byusing combustible gases or an electric arc. as the materials are heated, they are changed to a plastic ormolten state and are confined and accelerated by a compressed gas stream to the substrate. the particlesstrike the substrate, flatten, and form thin platelets (splats) that conform and adhere to the irregularities of the prepared substrate and to each other. as the sprayed particles impinge upon the surface, they cool andbuild up, splat by splat, into a laminar structure forming the thermal spray coating. figure 2-1 illustrates atypical coating cross section of the laminar structure of oxides and inclusions. the coating that is formedis not homogenous and typically contains a certain degree of porosity, and, in the case of sprayed metals,the coating will contain oxides of the metal. feedstock material may be any substance that can be melted,including metals, metallic compounds, cements, oxides, glasses, and polymers. feedstock materials canbe sprayed as powders, wires, or rods. the bond between the substrate and the coating may bemechanical, chemical, or metallurgical or a combination of these. the properties of the applied coatingare dependent on the feedstock material, the thermal spray process and application parameters, andposttreatment of the applied coating
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