THERMAL SPRAY PRODUCT OVERVIEW
Here you can find all coating materials for thermal spray coating.
Metals
Properties:
soft, relatively good electrical and thermal conductivity, curable alloys
Applications:
- corrosion protection
- electrical contacts
- shielding layers (EMC protection)
- soft buffer layers
- aluminum component repairs
Properties
- soft, good electrical and thermal conductivity, good soldering characteristics
- Aluminum bronze, hard, good machinability, suitable for thick layers
Applications
- Layers for electronics applications and electrical technology
- soldering foundation on Al heat sinks
- corrosion-resistant layers for printing and paper machinery
- bronze bearing layers
Thermal spray coating with copper (download, PDF)
Properties
hard layers (up to 500 HV), highly adhesive (self-adhering), excellent rubbing/sliding properties (no fretting, microporous, good emergency running characteristics)
Applications
- tribological pairings
- bearing seats
- guides
- shift forks, synchronizer rings
- cannot be used on copper or heavily copper-based alloys
Properties
magnetic, corrosion-resistant to all alkalis, oxidation-resistant up to 800 ºC
Applications
- corrosion prevention
- buffer layer
- textile machinery and apparatus engineering
Properties
thick layers, NiAl self-adhering due to exothermic reaction, oxidation-resistant up to 1000 ºC
Applications
- base adhesion layer
- corrosion barrier
- anti-scaling protection
- NiCr well suited for lining bearing seats, for example, can be turned and sanded
Properties
- wear-resistant, corrosion-resistant due to sintering (“melting down”), completely leakproof, bonded by metallurgy, resistant to shocks and edge pressure
- hardness of 25-60 HRC, can be adjusted with WC addition (75 HRC) for strongest wear resistance
- layers up to 1 mm thick
Applications
- glass molds, water gauges
- shaft bushings
- feed screws
- drums in wire drawing machines
- valve seat inserts, such as for marine diesel
- bearing journals
- gland nut seats
Properties
- very hard, wear-resistant, low shrinkage, can be sanded
- ferritic chromium steel, 35-50 HRC, can be sanded
- austenitic steel, machinable
Applications
- wear protection
- repairs
- induction layers
- wear protection
- repairs, e.g. bearing seats
- anti-corrosion protection, e.g. on rollers
Thermal spray coating with chromium steel, carbon steel (download, PDF)
Properties
resistant to high temperatures and oxidation
Applications
- protective layer on gas turbine blades
- adhesive primer for insulating layers
Properties
composition similar to Inconel, corrosion-resistant
Applications
repair components made from Inconel
Properties
high strength, high biocompability
Applications
coatings for medical technology
Properties
- high-melting, extremely corrosion-resistant
- ductile cold-sprayed layers are impervious to corrosion
Applications
protective coatings for chem. Apparatus engineering
Properties
anodic corrosion protection, rel. soft, no thermal stress compared to hot-dip galvanizing, purity > 99.9%
Applications
- general anti-corrosion protection
- base layer for plastics for building up more layers
- shielding (EMC protection) on plastics
Properties
soft, solderable, low-melting
Applications
- anti-corrosion protection
- solder layers
Properties
high-quality bearing metal with excellent lubrication properties, harder than cast white metal, cheaper to manufacture
Applications
- bearing shells
- crossheads
Hard metals, carbides
Properties
- hardness 900-1100 HV
- can be used at up to 800 °C
- better cavitation resistance than WC to particle erosion at high temperatures
Applications
- valve spindels for gas turbines
- guide vanes for turbochargers
- plungers for high-pressure piston pumps
Properties
- best wear-resistant material against abrasion, hardness up to 1350 HV, WC-CoCr is tougher, has higher resistance to corrosion than WC-Co
- layers can be polished up to Ra <0.01µm
- WC-Ni suitable for nuclear applications
- max. operating temperature 550 ºC
- typ. layers are 0.1-0.3 mm thick
- high adhesive strength to steel (> 80 N/mm2)
Applications
- molds for building materials and ceramic industry
- piston rods
- mechanical seals
- pump pistons
- rollers in paper machines
- rough coatings on grippers
Oxide ceramic
Properties
- pure Al2O3 is a good insulator, dielectric strength up to 20 kV/mm
- hardness > 1400 HV
- titanium oxide portion increases the toughness/wear resistance, with higher portion the hardness drops
- down 10% TiO2layers are electrically conductive (prevents stat. charge!)
- non-stick properties on plastics, elastomers
- usable up to 1000 °C
- good resistance to acids, not resistant to alkalis
Applications
- electr. insulating layers for drive shafts, couplings, bearings
- corona rolls
- insulating intermediary layers on heat sinks for power electronics
- thread guides in textile machinery
- ink fountain rollers
- agitators and mixers for fine ceramics
- shaping and transport rollers in glass processing
Thermal spray coating with aluminum oxide/titanium oxide (download, PDF)
Properties
hardness > 1400 HV, wear-resistant and corrosion-resistant as aluminum oxide Si and Ti additives increase toughness
Applications
- pure chromium oxide for anilox rolls
- shaft bushings
- seal seats
- piston rods
- pump pistons
Properties
- low heat conductivity and high resistance to changes in temperature
- excellent chem. resistance
- not easily wettable by molten metals
- operating temperature up to above 1200 °C
Applications
- heat insulating layers on gas turbine blades
- foundry tools
- burner parts
- oxygen ion conductors (λ probes, fuel cells)
Run-in layers, abradables
Properties
- adaptation layers in turbomachines for manufacturing a defined gap size
- porous metal matrix with soft ceramic parts
- layers wear down upon contact with mating parts without damaging them
- hardness 35-55 HR 15Y
- can be used at up to 650 °C
Applications
- labyrinth seals in steam and gas turbines
- abradable coatings for turbine blades
Properties
graphite particles coated in nickel, self-lubricating, usable at up to 450 °C
Applications
- compressors in aircraft engines
- special friction linings
- sliding layers with emergency running characteristics