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

RX-A ( SiC )

Material Summary:

                      [Ref. 1]          
Manufacturer........: Norton Co.
Material Designation: RX-A
Material Form.......: Polycrystal
Composition.........: SiC
Processing..........: Recrystallized

References:

[1] J. A. Coppola and R. C. Bradt, "Measurement of Fracture Surface Energy of SiC" Journal of the American Ceramic Society, Vol. 55, No. 9, pp. 455-460 (1972).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
            13                      14.7         DCB           air      2.77 g/cm3, E = 254 GPa
                                    15.8         SENB          
                                    11.1         WOF
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