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Pulse Plasma Nitriding

PulsPlasma® nitriding (PPN) is an advanced thermochemical heat treatment that creates highly wear- and corrosion-resistant nitride layers on steel surfaces. Using a pulsed direct-current glow discharge, process-specific gas mixtures - predominantly nitrogen, hydrogen, and methane - are efficiently dissociated under vacuum conditions. This innovative process is characterized by particularly low gas consumption, lower emissions compared with alternative processes, and the avoidance of harmful by-products.

PPN technology allows precise control over the structure and properties of the nitride layers. By adjusting key process parameters—such as gas composition, temperature, duration, pressure, and voltage—the treatment can be tailored to meet the specific functional and operational requirements of each component.

 

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The process

Nitriding is a heat treatment process for enriching component surfaces with nitrogen atoms. The simultaneous use of nitrogen and carbon atoms is known as nitrocarburizing. Nitriding and nitrocarburizing can be used to create extremely hard steel surfaces. Most applications require no post-treatment, ensuring a streamlined solution for modern surface engineering needs.

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Purple plasma glow surrounding several circular metal parts inside a vacuum chamber.

Relevant industries

Automotive

Pulse Plasma Nitriding significantly increases the durability and efficiency of critical automotive powertrain components such as crankshafts, camshafts, coupling parts and synchronizer rings, delivering longer service life, higher performance and reduced maintenance for modern vehicles.

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Aerospace & Defense

Pulse Plasma Nitriding increases the resistance of metallic components to wear and corrosion - even in titanium materials. The process is used, for example, in aerospace components or mechanically highly stressed systems in the defense sector.

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Tool and mold

It enhances surface hardness and reduces abrasive and adhesive wear. It extends the lifetime of cutting tools, stamping dies, and forging and forming dies.

Process Control and Temperature Uniformity

Advanced. Efficient. Economical.

Multiple active heating and cooling zones combined with advanced process control lead to excellent temperature uniformity and best-in-class power consumption. The surface properties can be tailored to your needs and the treated parts are ready to be used in the next production step, often without post-treatment thanks to the wide temperature range of PulsPlasma® treatment.

Production made in Europe

For the manufacture of standard and customer-specific pressure vessels, components, and vacuum chambers, we operate our own manufacturing facility in Europe.

Key advantages at a glance

  • Fast delivery times: Greater independence from external suppliers
  • Flexible customization: Short‑notice design changes can be implemented immediately.
  • Reliable material availability: Constant access to high‑quality materials thanks to long‑standing local partnerships.
  • Highest processing quality incl. standards: Performing welding operations in‑house allows direct monitoring of joint conformity, which is essential for meeting standards such as UNI EN ISO 3834.
  • OOur facility is designed to meet our own standards for quality, safety, and controlled processes.
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PulsPlasma® nitriding system in an industrial hall with control cabinet, tanks and piping
A PVA TePla plasma system chamber featuring internal metal platforms and purple illumination, used in semiconductor equipment and vacuum technology.

The systems at a glance

Tall PulsPlasma® nitriding system with vertical tanks and piping in a bright production hall.

PlaTeG.Nitride

The advantages at a glance:

  • Maximum flexibility
  • Easy partial nitriding with mechanical masking
  • Corrosion resistance of stainless steel preserved through special processes
  • Higher efficiency at lower cost

The standard systems are available "off the shelf" and in a wide range of sizes.

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Interested in PulsPlasma® Nitriding?

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