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

Beryllia ( BeO )

Material Summary:

                      [Ref. 1]         [Ref. 2]         [Ref. 3]         
Manufacturer........: AERE Harwell     Unknown          Unknown
Material Designation: beryllia         beryllia         beryllia
Material Form.......: Polycrystal      Polycrystal      Polycrystal
Composition.........: BeO              BeO              99.99% BeO
  (mass fraction)
Processing..........: 

References:

[1] F. J. P. Clarke, H. G. Tattersall, and G. Tappin, "Toughness of Ceramics and their Work of Fracture" Proceedings of the British Ceramic Society, Vol. 6, pp. 163-172 (1966).

[2] S. Freiman, private communications (1977).

[3] P. L. Gutshall and G. E. Gross, "Fracture Energy of Polycrystalline Beryllium Oxide" Journal of the American Ceramic Society, Vol. 51, No. 10, p. 602 (1968).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
5                                    15          WOF           air       Ref. 1
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                        3.68                     AMDCB         air       Ref. 2
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3                                    32.3        DCB           air       Ref. 3; E = 310 GPa
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