International Trade Fair for Die Casting: Technology, Processes, Products

16 - 18 January 2024 // Nuremberg, Germany

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Exhibitors & Products EUROGUSS 2022
Zoom Image LOGO_Ionic Nitriding

Ionic Nitriding

LOGO_Ionic Nitriding

Ionic Nitriding

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Characteristics of the process

The ionic nitriding of steels and cast irons is a surface hardening thermochemical treatment that occurs through the diffusion of nitrogen and/or carbon in the substrate.

The depth of diffusion of nitrogen that can be achieved depends on the base material and the duration of the cycle.

The Dolzago department has 2 plants for ionic nitriding with maximum dimensions of Ø 1500 mm x 2100 mm and with a capacity of 6000 Kg, while the Cremella department has a plant measuring Ø 500 x 900 mm dedicated to processes such as nitriding titanium parts for the aerospace industry.

The advantages of ionic nitriding are:

  • High reproducibility of the hard and ductile nitrided layer;    
  • Processing temperature between 400 °C and 800 °C;
  • Lower cycle times at the same depth;
  • Ability to control the formation of the 'white layer';
  • No deformations;
  • Reduction of the friction coefficient;
  • Higher mechanical resistance to wear;

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