Fracture Toughness / Fracture Energy Data for Ceramics

NIST Standard Reference Database 138

Last Update to Data Content: 1998



Reference: NIST Structural Ceramics Database

Other material collections: Property Data Summaries

Other Toughness materials

AD-94 ( Al2O3 )

Material Summary:

                      [Ref. 1]             
Manufacturer........: Coors Porcelain Co.  
Material Designation: AD-94           
Material Form.......: polycrystal     
Composition.........: 94% Al2O3        
  (mass fraction)
Processing..........: sintered


[1] C.A. Tracy and G.D. Quinn, "Fracture Toughness by the Surface Crack in Flexure (SCF) Method," Ceramic Engineering and Science Proceedings, Vol. 15, pp. 837-845 (1994).

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 scf e=407 gpa