| PVD Coatings Matrix |
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|
Coating Material |
Chemical Symbol |
Color |
Key Characteristics |
Primary Applications |
Thickness (Microns) |
Hardness (Vickers) |
Maximum Working Temperature |
Friction Coef (on dry steel) |
|
Chromium Nitride |
CrN |
Silver-Gray |
Good adhesion, good corrosion and oxidation resistance |
Copper alloys, plastics, rubber mold release |
1-6+ |
1750 |
700C, 1300 F |
0.5 |
|
Titanium Aluminum Nitride |
TiAlN |
Violet-Gray |
Excellent oxidation resistance |
Cast iron, stainless steel, nickel-based high-temp alloys, titanium alloys. Used for high-speed and dry or semidry jobs. The hardest grades are used for cutting hardened steel. |
1-5 |
3000-3500 |
800C, 1470F |
0.4 |
|
Titanium Carbide |
TiC |
Gray |
High hardness |
Punches, die |
1-4 |
3500+ |
TBD |
> 0.1 (TiC on TiC) |
|
Titanium Carbonitride |
TiCN |
Blue-Gray, Purple |
High hardness, good wear resistance, enhanced toughness |
Difficult-to machine steel alloys that stress cutting edge mechanically. High-speed cutting at moderate temps. |
1-4 |
3000 |
400C, 750F |
0.4 |
|
Titanium Nitride |
TiN |
Gold |
Good general purpose |
Ferrous metals |
1-4 |
2300 |
600C, 1100F |
0.4 |
|
Molybdenum Disulfide, Ni |
MoS2 + Ni |
Gray-Black |
Very low coefficient of friction, high load bearing capability |
Aerospace components, vacuum applications |
.2-1 |
soft |
600C |
0.01 |
|
Molybdenum Disulfide, Antimony Trioxide Gold |
MoS2 + Sb2O3 + Au |
Gray-Black |
Extremely low coefficient of friction, high load bearing capability, better oxidation resistance and environmental durability |
Aerospace components, vacuum applications |
.2-1 |
soft |
600C |
< 0.01 |
|
Molybdenum Disulfide, Antimony Trioxide |
MoS2 + Sb2O3 |
Gray-Black |
Extremely low coefficient of friction, high load bearing capability, better oxidation resistance and environmental durability |
Aerospace components, vacuum applications |
.2-1 |
soft |
600C |
0.01 |
|
Gold |
Au |
Gold |
Non-reactive lubricant |
Aerospace components, vacuum applications, backup solid film lube |
.2-.7 |
very soft |
1000C |
TBD |
|
Lead |
Pb |
Gray |
Conductive lubricant |
Vacuum applications, vacuum tubes, x-ray tubes |
.1-.7 |
very soft |
TBD |
TBD |
|
Aluminum Bronze |
CuAl |
Yellow |
Fretting Fatique Wear Resistance |
Gas Turbine Engines |
25 |
Abradable |
C,800F |
<0.2 |
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