Plasma-kg

consistsOf

• assembly of interconnected steel rings  Target
• heat shield 
• mass flow controllers  Diagnostic Device
• massive steel wall 
• reactor walls 
• steel active screen 

generates

• pulsed DC discharge plasma  Plasma

hasApplicationField

• Active Screen Plasma Nitrocarburizing  Application Field

hasConfiguration

• Configuration for ASPNC reactor: cathodic potential with a pulsed DC high voltage of 1 kHz frequency at a 60 % duty cycle; workload temperature maintained at 813 K (540 °C); AS power about 7.3 kW; bias power 1.25 kW; total flow of 80 slh; pressure of 3 mbar 
• Configuration for cleaning phase: no CH4 flow for about 3 hours 
• Configuration for conditioning phase: CH4 flow of 8 slh (10% of total flow) for about 1 hour 
• Configuration for measurement set 1: O2 flow of 4.8 slh (6%) 
• Configuration for measurement set 2: O2 flow of 1.6 slh (2%) 
• Configuration for pre-heating phase: N2-H2 gas mixture; AS at full power; step-wise increase of the bias power 

hasDeviceType

• reactor  Plasma Source Type

hasSpecification

• Specification for ASPNC reactor: industrial-scale; cylindrical with an inner diameter of 1 m and a volume of approximately 1 m^3; walls consist of a massive steel wall with internal water-cooling and vacuum sealing, and a heat shield of four layers of steel sheets adding about 5 cm to the wall thickness; active screen is a double mesh of construction steel (1.0038) with a diameter of 0.8 m and a height of 0.75 m 
• Specification for the plasma source: DC, pulsed, low pressure, non-thermal 

plasmaSourceOf

• Laser absorption spectroscopy for plasma-assisted thermochemical treatment  Plasma Study

treats

• assembly of interconnected steel rings  Target
• model probe  Target
• workpiece  Target

usesMedium

• CH4  Medium
• H2  Medium
• N2  Medium
• N2-H2 gas mixture  Medium
• O2  Medium