Application of PVD, PACVD and CVD coatings
The coating centre offers all 3 coating technologies: CVD, PACVD and PVD.
| abbrev. | Name of technology | Coating temperature | Equipment |
| CVD | Chemical Vapour Deposition | 900 - 1100 °C | CVD unit |
| PACVD | Plasma Asisted Chemical Vapour Deposition | 450 - 550 °C | Ruebig |
| PVD | Physical Vapour Deposition | 180 - 550 °C | Hauzer Fx 850 Hauzer Fx 1200 |
Wide range of applied coatings with a thickness of 1 - 15 µm,is listed in the following table.
Specification of the coating technologies
CVD
- coating temperature 900 - 1000 °C
- coating thickness 10-15 µm
- hardness 2000 HV
- hardening and tempering after coating
Advantages:
- coating of holes
- coating of very slim through and blank cavities
- for high-performance tools with high demands for abrasion resistance
Disadvantages:
- necessity of treating steel tools after coating
PACVD
- coating temperature 450 - 550 °C
- max. coating thickness 4 µm
- hardness 2000 - 2600 HV
- final heat treatment before coating
- plasma nitriding
Advanategs:
- coating of holes
- coating of through and blank very slim cavities
- high resistance to bonding of non-ferrous metals and plastics
- increase of thermal fatigue resistance
Disadvantages:
- still very high temperature for some types of tool steel
- stint of types of coatings
PVD
- coating temperature 180 - 550 °C
- max. coating thickness 6 µm
- hardness 1500 - 4000 HV
- final heat treatment before coating
- plasma nitration
Advantages:
- possible deposition of coatings at very low coating temperatures
- DLC coatings with low friction coefficient
Disadvantages:
- impossible coating of holes and cavities
