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

Zirconium Nitride ( ZrN )

Material Summary:

                      [Ref. 1]         
Manufacturer........: In laboratory
Material Designation: zirconium nitride
Material Form.......: polycrystal
Composition.........: ZrN
Processing..........: hot isostatically pressed

References:

[1] N. Alexandre, M. Desmaison-Brut, F. Valin, and M. Boncoeur, "Mechanical Properties of Hot Isostatically Pressed Zirconium Nitride Materials" Journal of Materials Science, Vol. 28, pp. 2385-2391 (1993).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
            1.4         6.2           48        SENB           air       Ref. 1; E = 380 GPa
            1.7         4.4                                                      E = 376 GPa
            2.9         3.7                                                      E = 362 GPa
            3.2         3.9                                                      E = 359 GPa
            6.0         3.6                                                      E = 326 GPa
            8.2         3.7                                                      E = 300 GPa
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