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Plasma Carburizing Processing

Plasma carburizing processing is a plasma heat process that improves the mechanical properties of certain metals by forming a carbide on the metal surface. The carbide, which is a compound of carbon and the metal in question, is formed on the metal surface by using heat energy to ionize a hydrocarbon gas and a direct current glow discharge to produce carbon ions, then allowing these carbon ions to bombard and impact the metal surface.

Based on this principle, it is relatively easy to carry out carburizing of metals, which is a difficult process using a conventional furnace. Also, processing can be carried out in a clean environment and no harmful gas, etc., is generated.
Plasma Carburizing Processing
 

Features
  • Since this is a base metal diffusion curing process, it results in a surface with excellent resistance to abrasion, baking, flaking and shock.
  • The curing layer and hardness distribution can be controlled according to the application.
  • Because the process has a gradient form, it produces excellent heat and shock resistance capabilities.
  • The process is non-polluting and energy efficient.

Surface Property Modification by Plasma Carburizing

Using plasma carburizing processing, the surface organization of titanium can be changed as shown in the photos below. Additionally, from the hardness distribution figure from the surface, we can see that the surface organization has become extremely hard.

We can also see the diffusion of the carbon into the metal from the sloping hardness distribution.

 
 

 

Surface Property Modification by Plasma Carburizing 1

 

Surface Property Modification by Plasma Carburizing 2

Surface Property Modification by Plasma Carburizing (Chart)

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