PVD Coatings

CROSAL®-plus – That your tools withstand even highest temperatures

CROSAL®-plus is eifeler’s next generation AICrN based hard coating.

The new coating system is an advanced development of our well-established CROSAL® coating. As a result of optimized process parameters and a tailor-made coating microstructure this versatile high-performance coating covers all key requirements:

• High oxidation resistance.
• Outstanding hot hardness.
• Excellent coating adhesion.

Your plus in metal cutting

CROSAL®-plus is perfectly suited for challenging applications within the fields of dry cutting, punching and forming.

CrN / CrCN — chrome nitride / chrome carbon-nitride For a high level of adhesion

CrN exhibits good sliding properties with minimal lubrication. The high hardness and very low brittleness allow thicker CrN coatings with very good adhesion to the substrate.

The chrome-nitride coating is characterized by the following properties:

• High hardness and adhesion.
• Very good chemical resistance.
• High-temperature resistance in air
• Thicker layers possible
• Low coefficient of friction against steel

EXXTRAL-Plus – For high-performance cutting

EXXTRAL-plus, a coating based on aluminum-titanium nitride, for the highest requirements in the cutting of hardened steel, M case of high performance cutting with or without cooling lubricant.

The anthracite-colored EXXTRAL-plus is characterized by a very high hardness. The properties are retained up to high thermal and mechanical loads. EXXTRAL-plus is highly inoxidizable and is provided with a low heat conduction coefficient.

• Especially smooth and dense.
• High resistance towards oxidation (800°C)
• High hot hardness
• Enhanced toughness
• Chemical resistance
• Low thermal conductivity coefficient
• Higher cutting speeds
• Longer service life
• Improved surface quality
• Dry machining
• No cooling lubricant required

SISTRAL® – Our new nano-structured high performance layer

SISTRAL® – on the basis of our very successful more advanced EXXTRAL,

• For even higher requirements in case of machining, in the foreground
• For the dry high-speed processing of hardened materials (>54 HRC).

SISTRAL®, which is also anthracite-colored, is characterized by a very high hardness that still protects against wear also at high temperatures, and exceptional oxidation stability.

TiCN – Titancarbonitrid – If it should be a little harder than TiN

Our TiCN is a coating with a complex multilayer structure applied using the arc technique. Despite its great hardness, TiCN is not excessively brittle.  This is necessary for numerous applications, such as in interrupted cutting operations when temperatures at the cutting edge are not excessive.  Thanks to the reduced friction and enhanced hardness, the use of TiCN coatings often result in a further significant service life extension compared to TiN coated tools.

TIGRAL – Abrasion resistance and high thermal resistivity

This coating, based on AlCrTiN, is characterized by its high hot hardness and its resistance towards oxidation and abrasion. These properties are the result of its nanostructure, which minimizes crack propagation within the coating, especially when subjected to shear loads.

TIn – Our Well proven all around coating

The titanium nitride layer has for a long time been the well-proven standard layer type through its balanced properties.

• High hardness and adhesion
• Good chemical resistance
• Good temperature resistance in air
• Relatively low thermal conductivity
• Biocompatible and food compatible

“ultrafine” – Smooth and dense PVD arc coatings from eifeler

“ultrafine” is our label for a line of coatings, which offers the deciding benefit, if smooth and hard PVD arc coatings with very good adhesion are needed.

Smooth is easy! But smooth, well adhesive, hard and economical? This is a challenge. Our SPCS-technology is the solution. SPCS stands for “strongly poisoned cathode surface” and describes our special POD arc deposition technology, leading to outstanding coating properties by an innovative control mechanism of the process gases.

Several serial applications are already established for TN-ultrafine, TICN-ultrafine, and SISTRAL-ultrafine.

These smooth and defect free coatings are characterized by very good adhesion and a high hardness. This gives a benefit for applications like e.g.: cutting, micro-cutting, surgical instruments, and plastic molding.

“ultrafine”: smooth and brilliant PVD arc coatings — even without post finish operations.

VARIANTIC – The layer with high oxidation resistance

Excellent cutting, forming, stamping and precision cutting results. The temperature resistant TiAlN underlayer, in conjunction with the hard and low-friction TiCN top layer, delivers a combination which presents clear advantages in numerous applications.  In the area of cold forming in particular, excellent results are achieved when Duplex VARIANTIC is used.

Property features:

• Can be deposited on HSS and hard metal
• Substantial friction reduction
• Multilayer structure
• High wear resistance
• Tough, hard, and temperature resistant
  up to 800 °C

ZrN – Excellent corrosion and abrasive wear resistance

The improved ZrN coating is especially suitable for machining aluminum alloys and is also a good choice for machining non-ferrous metals. The ZrN coating is also recommended for machining fiberglass, nylon, and the majority of polymer materials.

The ZrN coating meets all biocompatibility requirements.  Thanks to its corrosion resistance and chemical stability,  ZrN can be used for medical components coming into direct contact with bones, skin, tissue or blood.