{"id":1567,"date":"2023-01-01T08:46:37","date_gmt":"2023-01-01T05:16:37","guid":{"rendered":"https:\/\/sealtech.ir\/air-plasma-spray-aps\/"},"modified":"2024-02-29T01:11:23","modified_gmt":"2024-02-28T21:41:23","slug":"air-plasma-spray-aps","status":"publish","type":"page","link":"https:\/\/sealtech.ir\/en\/services\/surface-engineering-and-coating\/air-plasma-spray-aps\/","title":{"rendered":"Air Plasma Spray (APS)"},"content":{"rendered":"

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Air Plasma Spray (APS)<\/h3>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\n\t\t[vc_single_image image=”708″ img_size=”full” alignment=”center” parallax_scroll=”no” woodmart_inline=”no”][vc_column_text text_larger=”no” woodmart_inline=”no”]<\/p>\n
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Atmospheric plasma spraying APS<\/strong><\/p>\n

Atmospheric Plasma Spray (APS) Systems are the most versatile and flexible thermal spray process due to its ability to spray a wide range of materials such as most metals, ceramics and alloys onto many different substrate materials such as plastics, glass, metals, ceramics and composite materials. Also, a broad range of powder particle sizes can be used. Benefits of APS include resistance against heat, oxidation and wear, corrosion protection, clearance control for abrasives and abradables, temperature management as well as electrical resistivity and conductivity. Thus APS can be used for a wide range of applications across industries.<\/p>\n

\u00a0Typical coatings<\/strong><\/p>\n

    \n
  • Ceramics<\/li>\n
  • Carbides & Cermets<\/li>\n
  • Iron, Nickel & Cobalt based alloys<\/li>\n
  • Abradables<\/li>\n<\/ul>\n

    \u00a0Main applications<\/strong><\/p>\n

      \n
    • Wear resistance, Sliding, Abrasive, Erosion, etc<\/li>\n
    • Corrosion resistance<\/li>\n
    • Thermal barriers<\/li>\n
    • Combinations<\/li>\n<\/ul>\n

      In this line-of-sight process that is carried out in an open atmosphere, a high-powered jet of ionized argon and\/or helium or hydrogen (plasma) melts ceramic powders and other high-temperature materials. The molten particles are then sprayed on a carefully cleaned and prepared surface.<\/p>\n

      Applications of APS<\/strong><\/p>\n

      APS renders porous coatings and is only suitable for materials that tolerate brief exposure to atmospheric conditions<\/p>\n

      Used to spray hard facing materials and other build-up materials in less demanding applications, thus offering a more economical alternative to High Velocity Oxygen Fuel (HVOF) spraying<\/p>\n

      Mainly used to spray Thermal Barrier Coatings (TBC) on turbine components of any size<\/p>\n

      Also for application of chromium carbide hard-facing coatings for better fretting resistance on combustion parts<\/p>\n

      TBC coatings<\/strong><\/p>\n

      APS TBC coatings require careful cleaning immediately before the application of the (metallic) bond coating and the ceramic TBC<\/p>\n

      TBC thickness can be selected between 200 and 1,000 microns or more<\/p>\n

      Standard TBC coatings are zirconium oxide with 8% yttrium oxide for phase stabilization<\/p>\n

      The density of the TBC coatings, which has to be optimized for durability, is selected by setting the process parameters<\/p>\n

       <\/p>\n<\/div>\n

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