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

Titanium Dioxide ( TiO2 )

Material Summary:

                      [Ref. 1]
Manufacturer........: In laboratory                In laboratory
Material Designation: titanium dioxide; titania    titanium dioxide; titania
Material Form.......: polycrystal                  polycrystal
Composition.........: TiO2                         TiO2
Processing..........: hot pressed                  hot isostatically pressed

References:

[1] W. P. Minnear and R. C. Bradt, "Stoichiometry Effects on the Fracture of TiO2-x," Journal of the American Ceramic Society, Vol. 63, pp. 485-489 (1980).

[2] J. Li, S. Forberg, and L. Hermansson, "Evaluation of the Mechanical Properties of Hot Isostatically Pressed Titania and Titania-Calcium Phosphate Composites," Biomaterials, Vol. 12, pp. 438-440 (1991).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
 21                     6.1           68          DT          air       Ref. 1; density = 4.097 g/cm3
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           < 2          2.8                       ICS         air       Ref. 2; density = 4.21 g/cm3
                                                                                E = 270 GPa; H = 11 GPa
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