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

Thermal spray coating with chromium carbide (download, PDF)

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

Thermal spray coating with tungsten carbide (download, PDF)

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

Thermal spray coating with chromium oxide (download, PDF)

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)

Thermal spray coating with zirconium oxide (download, PDF)

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
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