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You are here: Home » Products » Plasma Spraying Coating » Tungsten Cathode for Plasma Spray
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Tungsten Cathode for Plasma Spray

In this process the coating material in powder form is melted in a hot plasma flame and propelled on to a prepared substrate surface to form a coating. When the spray contacts the prepared surface of a substrate material, the fine molten droplets rapidly solidify forming a coating.

  • F4 Nozzle,F4 Nozzle special 8mm
  • YUHENG
  • YHTMC-PS-F4 Nozzle

Plasma Spray Process:

Plasma-spray processing

Plasma spray system consists of a Plasma Spray Gun, Power Source, Powder Feeder, Control unit and Heat Exchanger. Plasma is formed inside the specially designed plasma spray gun, by introducing a high intensity electric arc between a cathode (tungsten electrode) and anode (nozzle) assembly. Plasma forming gas is introduced in this arc, where it gets ionised to form a plasma. When this plasma exits the special design convergent

– divergent nozzle, it returns to its original state liberating extreme energy. The coating material in powder form is introduced in this hot flame, where it melts and is propelled by the flame on to the substrate surface.

The energy produced in a plasma is high resulting in very high temperatures at the plasma core. Thus ceramics with very high melting points are ideally sprayed with Air Plasma spray for achieving good quality coatings. The coatings produced by plasma spray are uniform, dense and have comparatively lesser porosity.

Plasma Coating, Plasma Ceramic Coating, Ceramic Coating Services

Many variants of ceramics are available that have different properties:

– Aluminum Oxide: Wear Resitance & Abrasion Resitance

– Aluminum Oxide + Titanium Oxide (Alumina Titania): Wear Reisitance & Abrasion Resitance

– Chrome Oxide: Corrosion, Wear and Abrasion Resistance

– Zirconium Oxide (Zirconia): High Temperature Barrier

– Very good quality Metal, Alloys and Abradable coatings can also be achieved using Air Plasma spray. Air Plasma Spray also has the provision to–spray coatings inside holes or pockets.

Very good quality Metal, Alloys and Abradable coatings can also be achieved using Air Plasma spray. Air Plasma Spray also has the provision to spray coatings inside holes or pockets.


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SHAANXI YUHENG TUNGSTEN & MOLYBDENUM INDUSTRIAL CO.,LTD

Add:Huochang Road,Baoji City,Shaanxi Province, China
Tel:86-0917-3215068   Fax:86-0917-3851118
Email:shaanxi.yuheng@yahoo.com

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