Fracture Toughness / Fracture Energy Data for Ceramics

NIST Standard Reference Database 138

Last Update to Data Content: 1998

DOI: http://dx.doi.org/10.18434/T4C014


Reference:

Reference: NIST Structural Ceramics Database

Other material collections: Property Data Summaries



Other Toughness materials

KT ( SiC )

Material Summary:

                      [Ref. 1,2]            
Manufacturer........: Norton Co.
Material Designation: KT
Material Form.......: Polycrystal
Composition.........: SiC
Processing..........:

References:

[1] S. W. Freiman, A. Williams, J. J. Mecholsky, and R. W. Rice, "Fracture of Si3N4 and SiC" Ceramic Microstructures, pp. 824-834 (1976).

[2] J. J. Mecholsky, S. W. Freiman, and R. W. Rice, "Fracture Surface Analysis of Ceramics" Journal of Materials Science, Vol. 11, pp. 1310-1319 (1976).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
 [1-3]                               19          AMDCB          air       Ref. 1
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[10-100]                             19          AMDCB          air       Ref. 2; E = 390 GPa
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