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

Beta Silicon Carbide ( SiC )

Material Summary:

                      [Ref. 1]
Manufacturer........: General Electric Co.
Material Designation: beta silicon carbide
Material Form.......: polycrystal
Composition.........: SiC
Processing..........: sintered

References:

[1] M.J. Slavin and G.D. Quinn, "Mechanical Property Evaluation at Elevated Temperature of Sintered ß-Silicon Carbide," International Journal of High Technology Ceramics, Vol. 2, pp. 47-63 (1986).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
            4.1          2.8                     ICS           air       Ref. 1; 3.08 g/cm^3;
                                                                                 E = 395 GPa; H = 23.9 GPa
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