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

Strontium Fluoride ( SrF2 )

Material Summary:

                      [Ref. 1]             [Ref. 2]
Manufacturer........: Unknown              Harshaw Chemical Co.
Material Designation: strontium fluoride   strontium fluoride
Material Form.......: Single Crystal       Single crystal
Composition.........: SrF2                  SrF2
Processing..........: 
References:

[1] P. F. Becher and S. W. Freiman, "Crack Propagation in Alkaline-Earth Fluorides" Journal of Applied Physics, Vol. 49, No. 7, pp. 3779-3783 (1978).

[2] P. Kraatz and T. Zoltai, "Effects of Ionizing Radiation on Cleavage Surface Energy of SrF2" Journal of Applied Physics, Vol. 45, No. 11, pp. 5093-5095 (1974).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
                                     0.42       AMDCB          air       Ref. 1; crack plane = {111}
                                                                                 and crack direction [1-1c]
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                                     0.36        DCB           air       Ref. 2; crack plane = {111}
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