Fracture Toughness / Fracture Energy Data for Ceramics

NIST Standard Reference Database 138


Reference:

Reference: NIST Structural Ceramics Database

Other material collections: Property Data Summaries



Other Toughness materials

NBD-200 ( Si3N4 )

Material Summary:

                      [Ref. 1]                         
Manufacturer........: Cerbec          
Material Designation: NBD-200  
Material Form.......: polycrystal     
Composition.........: Si3N4
Processing..........: Hot isostatically pressed

References:

[1] R. J. Gettings and G. D. Quinn, "Surface Crack in Flexure (SCF) Measurements of the Fracture Toughness of Advanced Ceramics," Ceramic Engineering and Science Proceedings, Vol. 16, pp. 539-544 (1995)

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
                        5.4                       SCF          air       Ref. 1; E = 320 GPa, nu = 0.26,
                                                                                 density = 3.16 g/cm3
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