Fracture Toughness / Fracture Energy Data for Ceramics

NIST Standard Reference Database 138

Last Update to Data Content: 1998



Reference: NIST Structural Ceramics Database

Other material collections: Property Data Summaries

Other Toughness materials

Yttrium Aluminum Oxide ( Y3Al5O12 )

Material Summary:

                      [Ref. 1]        
Manufacturer........: In laboratory
Material Designation: yttrium aluminum oxide; yttrium aluminum garnet; YAG
Material Form.......: Single Crystal
Composition.........: Y3Al5O12
Processing..........: Crystal Growth


[1] T. Mah and T. A. Parthasarathy, "Effects of Temperature, Environment, and Orientation on the Fracture Toughness of Single-Crystal YAG," Journal of the American Ceramic Society, Vol. 80, No. 10, pp. 2730-2734 (1997).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
                        2.2                      SENB          air       Single crystal