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

Lithium Silicate Glass ( Li2O·2SiO2 )

Material Summary:

                      [Ref. 1]         
Manufacturer........: NRL
Material Designation: lithium silicate glass
Material Form.......: Polycrystal
Composition.........: Li2O·2SiO2 
Processing..........:

References:

[1] 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] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
10-20                                 95        AMDCB          air       E = 90 GPa
10-20                                 34        AMDCB                    E = 90 GPa
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