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TiAlN

The PVD coating of TiAlN has good chemical stability and high hardness and excellent oxidation resistance and wear resistance. When processing high alloy steel, stainless steel, titanium alloy, nickel alloy, the lifetime of TiAlN-coated cutting tool is 3~4 times than the that of TiN-coated cutting tool. In the condition of high speed dry cutting, the best PVD coating is the TiAlN coating. It's performace is better than TiN by 4 times in the condition of high speed cutting.

The good tractility of the TiAlN coating is especially suitable for intermission cutting. Besides, the TiAlN doesn't have sharp angle firm and crisp effect and will not show the phenomena of flaking off in the condition of intermission cutting. The TiAlN coating can be coated on cast iron, stainless steel, nickel based high temperature alloy, Titanium alloy,tungsten carbide, golf heads, moulds etc. TiAlN suits high speed, dry or half dry cutting and cutting harden steel.

Coating

Hardness(HV)

Coefficient of Friction

Internal stress

Processing temperature(℃)

Temperature of oxidation resistance(℃)

Coating thickness(μm)

Color of coating

Titanium aluminium nitride(TiAlN)

2400 ~2800

0.4

-1.5

450

800

1 ~ 5

dark purple

The application condition of TiAlN

Cutting tools

Material of products

uncoated/other coating

TiAlN coating

Lifetime prolonged

Drills

Titanium

1.5 hole

5 hole

3.3 times

Drills

17-4PH

10 pieces:TiN

25 pieces

2.5 times

high-speed steel - Cobalt milling cutter

Titanium

4 hours

8 hours

2 times

high-speed steel milling cutter

INCONEL

6.5”:TiCN

8”

1.2 times

Tungsten-carbon alloy milling cutter

founded steel

800 hours

3400 hours

4.3 times

Tungsten-carbon dovetail groove cutter

52100

1100 pieces:TiN

2400 pieces

2.2 times

Tungsten-carbon alloy milling cutter

Titanium

500 pieces

4400 pieces

8.8 times

Tungsten-carbon alloy milling cutter

WASP alloy

15”:TiN

30”

2 times

 

 

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