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

Aluminum Nitride ( AlN )

Material Summary:

                      [Ref. 1]
Manufacturer........: Dow Chemical Co.
Material Designation: aluminum nitride
Material Form.......: polycrystal
Composition.........: AlN
Processing..........: hot pressed

References:

[1] G. D. Quinn, J. J. Swab, and M. D. Hill, "Fracture Toughness by the Surface Crack in Flexure (SCF) Method: New Test Results," Ceramic Engineering and Science Proceedings, Vol. 18 (4), pp. 163-172 (1997).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
                        2.79                     SCF           air       Ref. 1; E = 323 GPa;
                                                                                 density = 3.26 g/cm3
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