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

Gadolinium Gallium Garnet ( Gd3Ga5O12 )

Material Summary:

                      [Ref. 1]         
Manufacturer........: Unknown
Material Designation: gadolinium gallium garnet
Material Form.......: Polycrystal
Composition.........: Gd3Ga5O12


[1] M. Pardavi-Horvath, "Microhardness and Brittle Fracture of Garnet Single Crystals" Journal of Materials Science, Vol. 19, pp. 1159-1170 (1984).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
                        1.2                      ICS           air       KIc is an average for 5 
                                                                         crystal growth conditions