Abstract

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This standard describes methods for the determination of mineralogical phases typically apparent in nitride and oxy-nitride bonded silicon carbide refractory products using a Bragg-Brentano diffractometer. It includes details of sample preparation and general principles for qualitative and quantitative analysis of mineralogical phase composition. Quantitative determination of -Si3N4, -Si3N4, Si2ON2, AlN, and SiAlON are described. NOTE For the refinement procedures the total nitrogen content, analysed in accordance with ISO 21068-3 is needed.


General information 

  • Status
     : Under development
  • Edition
     : 1
    Number of pages
     : 11
  • Technical Committee
     : ISO/TC 33 Refractories
  • ICS
     :
    81.080 Refractories

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