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

Zirconia (PSZ) ( ZrO2 )

Material Summary:

                      [Ref. 1,2a,3a]     [Ref. 2b]         [Ref. 3b]
Manufacturer........: In laboratory     In laboratory     In laboratory
Material Designation: zirconia (PSZ)    zirconia (PSZ)    zirconia (PSZ)
Material Form.......: polycrystal       polycrystal       polycrystal
Composition.........: ZrO2·xMgO          ZrO2·xY2O3         ZrO2·xCaO
  (mass fraction)
Processing..........: Sintered          Sintered          Sintered

References:

[1] J. Wang, W.M. Rainforth, T. Wadsworth, and R. Stevens, "The Effects of Notch Width on the SENB Toughness for Oxide Ceramics," Journal of the European Ceramic Society, Vol. 10, pp. 21-31 (1992).

[2] G.A. Gogotsi, A.V. Drozdov, V.P. Zavata, and M.V. Swain, "Comparison of the Mechanical Behaviour of Zirconia Partially Stabilized with Yttria and Magnesia," Journal of the Australasian Ceramic Society, Vol. 27, pp. 37-49 (1991).

[3] R.P. Ingel, D. Lewis, B.A. Bender, and R.W. Rice, "Physical, Microstructural and Thermomechanical Properties of ZrO2 Single Crystals," Advances in Ceramics, Vol. 12, pp. 408-414 (1984).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
  50                    9.8                       SENB         air       Ref. 1;   240 µm notch width; 3 % MgO
  50                   11.2                       SENB         air                 490 µm notch width
  50                   12.3                       SENB         air                 800 µm notch width
  50                   12.3                       SENB         air                1300 µm notch width
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                        9.7                       SENB         air       Ref. 2a; notch; E = 206 GPa
                       12.0                       SENB         air               sharp crack; density = 5.71 g/cm3
                        9.3                       SENB         air       Ref. 2b; notch; 6% yttria; E = 185 GPa
                        4.8                       SENB         air               sharp crack; density = 5.81 g/cm3
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                        4.8                       ICS          air       Ref. 3,a; 2.8 % MgO; E = 200 GPa;
                                                                                   density = 5.79 g/cm3
                        4.0                       ICS          air       Ref. 3,b; 4.0 % CaO; E = 210 GPa;
                                                                                   density = 5.85 g/cm3
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