THERMal Spray Product overview
ORGANIZED BY COATING FUNCTION
Thermal coatings can fulfill a wide range of functions. Here is a brief overview of our most important products:
a-MET - Abradable coating
Purpose of coating
Abradable coatings are used to create a defined clearance on mating surfaces during running-in
Applications/features
Turbines, compressors
Fuel consumption and noise emission will be reduced by autonomous adjustment of clearance during running-in
| Coating material | Method | Applications/components (examples) |
|---|---|---|
| Nickel-bentonite | Labyrinth seals for shafts in steam and gas turbines, abradable coatings for turbine blades | |
| Nickel-graphite | Powder flame spraying | Compressors in aircraft engines, sliding contact bearings with emergency running properties |
| Further coating materials: aluminum-, cobalt-, copper-,and ceramics |
Powder flame sprayingPlasma spraying
|
Compressors and HP compressors in turbines, counterparts of titanium blades, turbines in hot gas path |
Further information:
b-MET - High bonding coating
Purpose of coating
Bonding of surplus and undesirable coating material on vacuum coating equipment
Applications/features
Vacuum systems
Protect the vaccum equipment from straying particles or tinsels
Reduction of pollution with particles
More easy maintenance of facilities
Longer availability of equipment and maintenance intervals
| Coating material | Method | Applications/components (examples) |
|---|---|---|
| Metal alloys | Shields, liners, equipment in vacuum coaters |
Further information:
c-MET - Conductive and solderable coating
Purpose of coating
Contact coating with good solderability and high thermal and electrical conductivity
Applications/features
Joining technology in power electronics
Conductor tracks, busbars, switching devices
Apparatus engineering, cooling systems
Sharp contours of selective coatings support autonomous positioning for soldering process
Coating thickness adjustable – from several micrometers up to millimeters
Best electrical and thermal conductivity, best heat dissipation of all thermal sprayed coatings
High bonding strength and resistance to thermo-cycling loads and thermo-shocks
| Coating Material | Method | Applications/components (examples) |
|---|---|---|
| Copper, nickel, silver |
Heatsinks for light engineering and power electronics, base plates, circuit carriers, busbars, conducter tracks, power connectors |
Further Information:
d-CER - Diffusion barrier coating
Purpose of coating
Protection against diffusion, particularly of carbon
Applications/features
Equipment for thermal treatment, soldering ovens, and plants
Parts made of CFC, C/SiC, graphite, steel mesh, and parts of other metals and alloys
Operating temperatures of over 1,000 °C
| Coating material | Method | Applications/components (examples) |
|---|---|---|
| Zirkonium oxide, Yttrium oxide | Plasma spraying | Charging and firing racks, carrier plates, easy-to-clean surfaces in thermal plant engineering |
Further information:
e-CER® - Coating for high infrared emission
Purpose of coating
High degree of emission, especially in the infrared range of fast thermal processes.
Applications/features
Industrial and craft ovens
Baking and cooking equipment for personal use
Heating and cooling plates in vacuum systems
Drying systems for technical equipment and food
Hot shaping of thermoplastic parts
Several base materials can be coated, such as steel, copper, aluminum, glass, ceramics. Operating temperature up to approximately 700 °C
| Coating material | Method | Applications/components (examples) |
|---|---|---|
| Oxides in specific composition | Plasma spraying | Radiators, tubular heatinge elements, halogen lamp emitters, ceramic heaters, coolers |
Further information:
e-MET - EMC protection coating
Purpose of coating
Shielding of high-frequency electromagnetic fields
Application/features
Vehicle construction (HEV/BEV)
Aircraft construction
Numerous light-weight materials can be coated: thermoplastics with or without reinforcement, sheet moulding components, fibre-reinforced plastics
Small coating thickness – little constructed space, limited weight
| Coating Material | Method | Applications/components (examples) |
|---|---|---|
| Zinc, tin, aluminium, copper | Arc sprayingWire flame spraying | Battery housings, cable tunnels, connectors, enclosures for electronics, power electronics, high frequency technology |
Further information:
f-CER® - High friction coating
Purpose of coating
High coefficient of friction for machine parts such as couplings, shaft-hub connections, transport rollers, locking brakes
Applications/features
Ship propulsions, power engine
Drives in machine and plant engineering
Wind turbines
Conveyor and clamping elements
Ceramic coatings with static friction coefficients of µ > = 0.5
For planar, cylindrical, or conical pairings
| Coating material | Method | Applications/components (examples) |
|---|---|---|
| Oxide ceramic | Plasma spraying |
Force-fit shaft-hub connections, releasable couplings for ship drive shafts, wind turbines Locking brakes for cranes, machinery, wind turbines Grippers, feed rollers, clamping jaws |
Further information:
i-CER - Electrical isolation coating
Purpose of coating
Electrical insulation of components
Applications/features
Mechanical and electrical components especially in the drive area in mechanical and plant engineering, rail vehicles, shipbuilding, automotive, aircraft, energy technology, electrical equipment, electronics
Dielectric strength > 2 kV per 0.1 mm layer thickness
High strength, chemical, thermal, and wear resistance
| Coating Material | Method | Applications/components (examples) |
|---|---|---|
| Aluminum oxide (also in combination with other ceramics) | Plasma sprayingHVOF | Electrically insulating hubs, bearing seats, antifriction bearing shells, housing, heat sinks, circuit carriers, corona rolls |
Further information:
i-CER+ - Electrically isolation coating and conductive coating
Purpose of coating
Multilayer coatings with at least one electrically isolating ceramic layer and an additional electrically conductive functional layer
Applications/features
Packaging of integrated circuits for power electronics
Heating plates for mechanical and plant engineering, automotive and household appliances
For efficient cooling of power electronics and for rapid heaters
Base body material can be steel, aluminium alloys, AlSiC, other metals and alloys
Functional coating layout can be sprayed in fine pattern – can also carved out of continuous coating
| Coating Material | Method | Applications/components (examples) |
|---|---|---|
| Isolation: oxides (please see also i-CER) | Plasma sprayingHVOF |
Heat sinks for power electronics, high voltage heaters for HEV, flow heaters, sensor systems
|
| Conduction: copper, aluminum, silver, brass, nickel, oxide | Plasma sprayingHVOFArc sprayingCold gas spraying |
o-CER / o-MET - Corrosion and oxidation protection coating
Purpose of coating
Protection of components from corrosion and oxidation in different atmospheres
Applications/features
Steel construction, automotive engineering, shipbuilding, mechanical engineering, plant and apparatus construction,
Power plant technology, waste-to-energy plants, thermal facilities, metallurgy
Proved range of coating materials
Additionally adapted solutions for specific applications possible - depending on kind of stressing and requirements
| Coating Material | Method | Applications/components (examples) |
|---|---|---|
| Zinc, aluminum | Arc spraying | Steel construction, automotive engineering, housings |
| Nickel, nickel alloys | HVOFPlasma spraying | Mechanical + apparatus engineering, paper industry |
| Chromium-aluminum | Plasma spraying | Protection against the effects of sulfur and carburization, burner parts, high-temperature reactors |
| Aluminum oxide, titanium oxide, mix oxide | Plasma spraying |
Protection against damage by molten metals (e. g. hot galvanization) Protection in combination with organic sealer Protection against chemical corrosion combined with abrasion (e. g. flue gas treatment equipment) |
Further information:
p-CER / p-MET - Porous gas flow adjusting coating
Purpose of coating
Microporous coating for guide, deflection, clamping of flexible material and stiff parts with over- or underpressure
Applications/features
Contact-free deflection by a uniformly distributed air or gas cushion
For guidance and clamping of paper web, film web or other materials and parts with low pressure during processing
| Coating Material | Method | Applications/components (examples) |
|---|---|---|
| Steel, aluminium, copper, other alloys | Wire flame sprayingHVOFArc spraying | Cylinders, pulleys, support plates, fixing plates |
| Oxides | Plasma spraying |
Further information:
s-MET - Sliding-contact coating
Purpose of coating
Protection sliding surfaces from severe wear and ensuring a good sliding behavior
Applications/features
Sliding bearings in machines, constructions, equipment and vehicles
Sliding coating of variable material compositions possible - e. g. mixtures of sliding metals, inclusions of hard particles and/or solid lubricants
Sliding material can deposited straight on to machine parts
Coating thickness up to several millimeters
| Coating Material | Method | Applications/components (examples) |
|---|---|---|
| Tin, aluminium alloys, white metal, bronze, brass |
Arc sprayingHVOFWire flame sprayingPowder flame sprayingCold gas spraying |
Bearing shells, thrust rings, bearing bushes, sliding guides, multi-surface sliding bearings |
| Molybdenum | Wire flame sprayingPlasma spraying | Synchronizer rings, bearings subjected to high stress |
| Cobalt alloys (similar to stellite, Triballoy) |
Valves |
Further applications can be:
- Rough surfaces on machine parts
- Resistance to slipping of sole on paving elements
- Dimensional or structural repair of engine parts
Further information:
t-CER - Thermal barrier coating
Purpose of coating
Thermal insulation of actively cooled components in hot environment
Applications/features
Thermal power generation, thermal plant engineering
Turbines and internal combustion engines
Operating temperatures up to appr. 1,400 °C
High thermal shock resistance
With active cooling the temperature can be increased by up to several hundred degrees Celsius
Combination with oxidation protection coating o-MET possible
| Coating material | Method | Applications/components (examples) |
|---|---|---|
| Zirconium oxide, mixed oxides |
Plasma spraying |
Turbine blades, burner chambers, burner parts, casting dies, foundry tools, motor components, thermal apparatuses Oxygen-ion conductors (λ probes, fuel cells) |
Further information:
w-CER, w-CERMET - Wear protecion coating
Purpose of coating
Protection of component parts from sliding wear, abrasion, erosion, cavitation
Applications/features
Applications in almost all industrial branches
Coating hardness up to 1,400 HV0.3 (w-CER)
Finished surfaces Ra < 0.01 µm (w-CERMET)
Oil pressure-tight: more than 700 MPa (sealed coating)
Combination with good corrosion protection – very good chemical resistance in both acid and neutral media, also in seawater (tungsten carbides) respectively in both acid and alkaline media (chromium carbide, chromium oxide)
| Coating material | Method | Applications/components (examples) |
|---|---|---|
| Hard metal: tungsten carbide chromium carbide |
HVOF | Forming tools, gap rings for pumps, hydraulic pistons, valve spindles, shaft bushings, rollers, clutches, ball valves, landing gear parts, brake discs |
| Hard alloys: nickel alloys cobalt alloys |
HVOFPowder flame spraying | Forming tools, drive shafts, shaft bushings, stirrers, slide bearings |
| Ceramic: chromium oxide aluminium-(titanium-)oxide |
Plasma sprayingHVOF | Plungers, shaft bushings, seal seats, rollers, rope and wire pulleys, printing machine parts, couplings, thread guides |
Further information:
Your contact partner
Dr. Marcel Roth
Product Manager Component Coating
Phone: +49 (0)37322 472-536 marcel.roth@amg-titanium-de.com
