Metal Spraying Types

Thermal Spray, Spray Galvanizing, Metallizing are all terms that are used to describe the Metalspray process. Other terms like Flamespray, Plasmaspray, Powderspray and High Velocity Oxygen Fuel(HVOF) are used to describe the various Metal spray processes that now exist and have been developed as surface coating solutions to many Industrial problems including Wear(abrasive ,adhesive, fretting, Erosion, cavitation, Impact), thermal barrier coatings, restoration, Oxidation, electrical ( resistance, conductivity).

All methods of thermal spraying involve the projection of small molten particles onto a prepared surface where they adhere and form a continuous coating. To create the molten particles, a heat source, a spray material and an atomisation/projection method are required. Upon contact, the particles flatten onto the surface, freeze and mechanically bond, firstly onto the roughened substrate and then onto each other as the coating thickness is increased.

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