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

Vistal ( Al2O3 )

Material Summary:

                      [Ref. 1]        
Manufacturer........: Coors Porcelain Co.
Material Designation: Vistal
Material Form.......: Polycrystal
Composition.........: 99.9% Al2O3
  (mass fraction)
Processing..........: 

References:

[1] L. M. Barker, "Short Rod K(Ic) Measurements of Al2O3" Fracture Mechanics of Ceramics, Vol. 3, pp. 483-493 (1973).

Property Table:

Temperature = 23 °C
Grain      Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                   Toughness     Energy     Method       Environment
[µm]         [%]       [MPa·m1/2]     [J/m2] 
------     --------   ------------   ---------  -----------  -----------  ----------------------------
20 [15-45]              4.41                      SR           air         E = 393 GPa    
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