NT-164 ( Si3N4 )

Reference: NIST Technical Note

Reference: NIST Structural Ceramics Database

Note: About Property Data Summaries.

Note: Abbreviations and Other Notes

Note: Other Materials



Material Summary:

                      [Ref. 1]                         
Manufacturer........: Norton/TRW          
Material Designation: NT-164  
Material Form.......: polycrystal     
Composition.........: Si3N4             
Processing..........: sintered and 
                      hot isostatically pressed




References:

   [1] G.A. Graves and N.L. Hecht, "Effects of Environment on the Mechanical Behavior of
       High-Performance Ceramics," Report No. UDR-TR-94-136, U.S. Department of Energy
       Contract DE-AC05-84R21400 (1995).




Property Table:

Temperature = 23 °C

Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
                         4.0                      ICS          air       Ref. 1; 3.1 g/cm3; E = 306 GPa;
                                                                                 H = 18.5 GPa
--------------------------------------------------------------------------------------------------------


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