AD-85 ( Al2O3 )

Reference: NIST Technical Note

Reference: NIST Structural Ceramics Database

Note: About Property Data Summaries.

Note: Abbreviations and Other Notes

Note: Other Materials



Material Summary:

                      [Ref. 1,2,3]
Manufacturer........: Coors Porcelain Co.
Material Designation: AD-85
Material Form.......: Polycrystal
Composition.........: 85% Al2O3
  (mass fraction)
Processing: 




References:

   [1] S. W. Freiman, K. R. McKinney, and H. L. Smith, "Slow Crack Growth in Polycrystalline Ceramics"
       Fracture Mechanics of Ceramics, Vol. 2, pp. 659-676 (1974).
   [2] L. M. Barker, "Short Rod K(Ic) Measurements of Al2O3"
       Fracture Mechanics of Ceramics, Vol. 3, pp. 483-493 (1973).
   [3] G. D. Swanson, "Fracture Energies of Ceramics"
       Journal of the American Ceramic Society, Vol. 55, No. 1, pp. 48-49 (1972). 




Property Table:

Temperature = 23 °C

Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  ----------------------------
  7                     3.0         20           AMDCB         air       Ref. 1; KIC obtained at a 
                                                                                 velocity of 10-4 m/s
--------------------------------------------------------------------------------------------------------
  6                     2.98                     SR            air       Ref. 2; E = 221 GPa
--------------------------------------------------------------------------------------------------------
 15                                 20.7         DCB           air       Ref. 3; E = 228 GPa
--------------------------------------------------------------------------------------------------------


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