Wear resistant coating for brush seal applications

   
   

A metallic coating containing hard carbide particles is described. The coating is applied by an HVOF process using powder particles whose size ranges from about 15 to about 44 microns. The carbide particles are held in a 80% nickel-20% chromium matrix. The coating has a reduced tensile compressive stress relative to similar plasma sprayed coatings and exhibits a high strain to cracking value.

As partículas duras contendo revestindo metálicas de um carbide são descritas. O revestimento é aplicado pelas partículas usando-se process de um pó de HVOF cujo o tamanho varia de aproximadamente 15 a aproximadamente 44 mícrons. As partículas do carbide são prendidas em uma matriz do cromo niquelar-20% de 80%. O revestimento tem revestimentos pulverizados reduzidos do stress compressive um plasma similar relative.to tensile e exibe uma tensão elevada ao valor rachando.

 
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