Thermal spray coating spraying

on metalfor aeronauticsfor telecommunications

Combustion spraying is a thermal spray coating process used to apply relatively inexpensive coatings that typically contain high levels of oxides and porosity together, with the option of achieving a rough surface finish. In the combustion spraying process, a gas stream produced by the chemical reaction between oxygen and a combustion fuel heats a consumable propelling it onto a substrate to form a surface coating. As the surface technology specialist in combustion spraying, Bodycote provides an array of spray coating materials to suit your specific needs. Backed by a customer-driven service, our facilities process a wide variety of component sizes to exacting standards with reliable, repeatable results. Benefits Combustion spray coatings offer the following benefits: -Corrosion protection; -Wear resistance -Clearance control – abrasives and abradables; -Heat and oxidation resistance; -Temperature management; and -Electrical resistivity and conductivity. Application & materials Typical applications include: -Pump shafts/journals -Seal areas -Impellors -Housings -Structures -Metallics, ceramics, abradables Process details Combustion spraying offers a cost effective alternative for applying metallic and ceramic coatings in a less demanding environment. The process relies on the chemical reaction between oxygen and a fuel of combustion to produce a heat source. The heat source creates a gas stream with a temperature in excess of 3,000°C with correctly balanced conditions between oxygen and acetylene. A consumable, usually a powder or wire, is heated and propelled onto a substrate to form a surface coating.