plasma-arc spraying

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• Plasma arc welding — (PAW) is an arc welding process similar to gas tungsten arc welding (GTAW). The electric arc is formed between an electrode (which is usually but not always made of sintered tungsten) and the workpiece. The key difference from GTAW is that in PAW …   Wikipedia

• Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… …   Wikipedia

• Plasma torch — A plasma torch (or plasma arc or plasma gun) is a device that generates a directed flow of plasma from its nozzle. The plasma jet can be used for: *Plasma cutting. *Plasma spraying. *Plasma arc waste disposal, which reduces waste to power… …   Wikipedia

• Plasma Spray — Plasma spraying, a method of thermal spraying, is a materials processing technique for producing coatings and free standing parts using a plasma jet. Deposits having thickness from micrometers to several millimeters can be produced from a variety …   Wikipedia

• Thermal spraying — techniques are coating processes in which melted (or heated) materials are sprayed onto a surface. The feedstock (coating precursor) is heated by electrical (plasma or arc) or chemical means (combustion flame). Thermal spraying can provide thick… …   Wikipedia

• Vacuum plasmaspraying — (VPS) is a technology for etching and surface modification to create porous layers with high reproductibility and for cleaning and surface engineering of plastics, rubbers and natural fibres as well as for replacing CFCs for cleaning metal… …   Wikipedia

• Thermal barrier coating — Thermal barrier coatings are highly advanced material systems applied to metallic surfaces, such as gas turbine or aero engine parts, operating at elevated temperatures. These coatings serve to insulate metallic components from large and… …   Wikipedia

• Projection thermique — La projection thermique fait partie des techniques de traitement de surface par voie sèche. Cette technique permet de réaliser des revêtements épais (généralement de quelques dizaines de micromètres à quelques centaines) de natures très variées… …   Wikipédia en Français

• List of coating techniques — This list contains an overview of coating techniques for thin film deposition, found in the field of materials science. The techniques can be classified as follows: Chemical vapor deposition (CVD) * Metalorganic vapour phase epitaxy *… …   Wikipedia

• Spray forming — Spray forming, also known as spray casting, spray deposition[1] and in situ compaction,[2] is a method of casting near net shape metal components with homogeneous microstructures via the deposition of semi solid sprayed droplets onto a shaped… …   Wikipedia

• Gas dynamic cold spray — is a coating deposition method developed in the mid 1980s in the Soviet Union in The Institute of Theoretical and Applied Mechanics by Papyrin and his team. The solid powders (1 to 50 micrometers in diameter) are accelerated in supersonic gas… …   Wikipedia