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Abradable Coatings

Abradability of a coating refers to wear resistance in comparison to a more abrasive material that rubs against that coating. The primary objective of abradable coatings is to allow an automatic adjustment in clearance to accommodate thermal scenarios or physical interaction events when a device is operating.


Thermal Spray Achieves Abradability

Plasma sprayed coatings such as aluminum-polyester and aluminum-graphite are developed to provide precision clearance control. This creates an ideal balance of abradability and erosion resistance. Utilizing composite abradable thermal spray powders your coating process will achieve an optimal condition. This ensures that the coatings are durable for an extended period.


Apply these types of coatings to machinery such as cryogenic radial expansion turbines, centrifugal compressors and gas turbine engines found in aviation jet engines.


Benefits of Abradable Coatings

Thermach can deliver the equipment and expertise your industry demands for thermal spray coating solutions. Emperical benefits of abradable coating solutions from thermach include:


  • Oxidation resistance

  • Thermal shock resistance

  • Impact resistance

  • Internal strength

  • High degree of abradability

  • Low coefficient of friction

  • Balanced abradability

  • Erosion resistance

  • No blade or tip wear in contact with coating


Common Parts That Need Abradable Coatings

Common parts coated with abradable materials:


  • Shafts

  • Drive collars

  • Labyrinth seals

  • Turbine wheels

  • Compressor wheels

  • Expander shrouds

  • Compressor shrouds

  • Expander wheels

  • Compressor impellers

  • Expander impellers


Your coating partner, not your competitor.

We provide the equipment and parts necessary for you to run a successful Abradable coating operation. Our mission is to ensure your Abradable coating process is running smoothly with Thermach equipment and parts.

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