TRIBOLOGICAL

Tribology is the science that focusses on the interaction between moving surfaces. The main topics in tribology are friction, wear and lubrication.

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TRIBOLOGICAL

REDUCING FRICTION

Tribology is the science that focusses on the interaction between moving surfaces. The main topics in tribology are friction, wear and lubrication. Reduction of friction and wear will increase the efficiency and lifespan of mechanical systems, which consist of moving parts and contribute to a greener and more sustainable environment. Hauzer’s tribological coatings are designed and engineered to meet these requirements. We strongly cooperate with our customers to find the best performing coating for each application.

TRIBOLOGICAL

TECHNOLOGY LEADER

Hauzer is a technology leader for tribological coatings. in the 1990s automotive suppliers started to use plasma coatings to reduce wear and friction in their engines. From the beginning, we cooperated with the leaders in the market to develop the most productive coatings with the best performance. Nowadays our equipment produces the best Diamond Like Carbon (DLC) and nitride coatings to satisfy this critical market and many other markets which are facing tribological challenges. Every year millions of coated parts leave a Hauzer machine somewhere in the world to start their lives as low friction components in an automotive engine.

TRIBOLOGICAL

APPLICATIONS

Tribological coatings are used on a wide variety of components. They are extensively used on engine components, such as diesel injector components, high pressure fuel pump components, valve train components, piston rings and pins, dynamic seals, sliding and roller bearings. Furthermore, these coatings find use in construction equipment, aviation, textile equipment and various other industrial markets.

TRIBOLOGICAL

Tribological Coatings


CrN
Chrome nitride, produced by either arc evaporation or magnetron sputtering, is heavily used for its wear resistance properties, coating toughness and high temperature resistance.

Me-DLC (WC-C:H)
Upon market introduction, the kind of Diamond Like Carbon (DLC) coating mostly used was metal DLC coating (Me-DLC). Metal DLC coating is applied on the engine component by magnetron sputtering technology. The coating has excellent features with regard to rolling contact fatigue. Typical applications for metal DLC coating are gears, bearings and turbo diesel injection parts.

Amorphous hydrogenated DLC (a-C:H)
Amorphous hydrogenated DLC coating (a-C:H) is applied by Plasma Assisted Chemical Vapour Deposition (PACVD) coating technology and microwave technology. With these technologies no expensive target materials are needed. A typical friction coefficient of DLC coating applied by PACVD technology is in the range of 0.05 to 0.15. Typical applications for this DLC coating are turbo diesel injection parts, piston rings, piston pins and valve train components.

Hydrogen free DLC (a-C and ta-C)
More and more DLC coatings and other low friction coatings will diversify. The combination of the specific component together with the coating and the lubricant is most important to achieve an optimum reduction in friction. To this extend Hauzer offers several solutions, such as ta-C coating, a hydrogen-free carbon coating. The ta-C coating is applied by arc technology. A typical friction coefficient of ta-C is in the range of 0.02 and 0.1. Except ta-C, Hauzer also offers Silicon-doped DLC coating (a-C:H-Si) and sputtered carbon (a-C). Apart from arc technology, a-C can also be produced by HIPIMS technology.

Would you like to know more?

Please contact Geert-Jan Fransen
+31 77 355 97 14 gfransen@hauzer.nl