tr Titanium aluminum carbonitride (TiAlCN) coating owes its superior properties to a unique combination of titanium, aluminum, carbon and nitrogen. Widely used in industry, this coating stands out for its surface hardness, high thermal resistance and outstanding corrosion resistance.
A principal advantage of TiAlCN coating is how dramatically it extends the life of the material it protects, keeping tools in service longer and lowering costs. Performing exceptionally well under extreme temperature conditions, TiAlCN makes the production process measurably more efficient.
Standout Properties of TiAlCN Coating
Titanium aluminum carbonitride coating earns attention with its high hardness and wear resistance. It is especially well suited to high-temperature, heavy-load conditions and other demanding industrial applications.
The TiAlCN surface protects the underlying material against wear and damage, and also reduces the excess heat that can develop during machining. Its high temperature resistance underpins its superior resistance to wear, oxidation and corrosion.
TiAlCN Compared with Other Coatings
TiAlCN coating offers distinct advantages over other popular coating types such as AlTiN (aluminum titanium nitride) and TiN (titanium nitride). In high-speed machining and heavy cutting conditions in particular, TiAlCN delivers longer tool life than the alternatives.
At the same time, TiAlCN coating preserves the mechanical properties of the material it covers. It defends the substrate against environmental factors without changing the original characteristics of the material.
Environmental Impact of TiAlCN Coating
TiAlCN coating is produced through an environmentally friendly process that limits the release of toxic or harmful substances, so it places no undue burden on the environment. This makes TiAlCN a sound option for companies focused on environmental sustainability.
Tools and materials treated with TiAlCN coating also need less maintenance, which means shorter maintenance times and lower costs, delivering advantages that are both economic and environmental.
Technical Specifications
| Hardness | ~2800-3200 HV approx. |
|---|---|
| Coating Thickness | approx. 1-4 µm |
| Friction Coefficient | ~0.3-0.4 approx. |
| Max. Working Temperature | approx. 700-800°C |
| Colour | dark grey-bronze shades |
* Values are approximate and may vary depending on the application and process parameters.
Where Is It Used?
Coating Types
Frequently Asked Questions
TiAlCN is a PVD coating created by adding carbon to the TiAlN structure. It combines the high-temperature resistance of TiAlN with the low friction and enhanced wear resistance contributed by carbon. This makes it a balanced solution where thermal and mechanical loads occur together.
TiAlCN is favored on taps, end mills, and drilling tools, particularly when machining gummy or difficult materials. It is also applied to forming dies, punches, and moving machine components operating at elevated temperatures. Its low coefficient of friction reduces chip adhesion and built-up edge.
TiAlCN typically offers hardness in the region of 3000 HV, with thermal stability close to TiAlN at roughly 700-800°C. The carbon content lowers friction, which also helps keep operating temperatures in check. Exact figures vary with the coating architecture and process parameters.
Both contain carbon, but the aluminum in TiAlCN gives it far greater temperature resistance. While TiCN is limited to around 400°C, TiAlCN keeps performing under high-speed and dry machining conditions. Where heat and abrasive wear act together, TiAlCN is the more complete solution.
