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 Carbide ( TiC )

Material Summary:

                      [Ref. 1]            [Ref. 2]
Manufacturer........: In laboratory       In laboratory
Material Designation: titanium carbide    titanium carbide
Material Form.......: polycrystal         single crystal
Composition.........: TiC                 TiC0.96
Processing..........:                     Floating zone method

References:

[1] J. L. Chermant, A. Deschanvres and F. Osterstock, "Toughness and Fractography of TiC and WC" Fracture Mechanics of Ceramics, Vol. 4, pp. 891-901 (1978).

[2] C. Maerky, M. O. Guillou, J. L. Henshall, and R. M. Hooper, "Indentation Hardness and Fracture Toughness in Single Crystal TiC0.96," Materials Science and Engineering A, Vol. 209, pp 329-336 (1996).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
20                     3.8           45         SENB          air        Technique with a starter  
                                                                         crack; E = 400 GPa
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                       1.7                      ICS           air        (001) plane; E = 462 GPa
                       2.5                      ICS           air        (110) plane; E = 449 GPa
                       3.0                      ICS           air        (111) plane; E = 442 GPa
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