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

Zinc Selenide ( ZnSe )

Material Summary:

                      [Ref. 1,2]         
Manufacturer........: Raytheon         
Material Designation: zinc selenide
Material Form.......: Polycrystal
Composition.........: ZnSe
Processing..........: CVD

References:

[1] A. G. Evans and E. A. Charles, "Fracture Toughness Determinations by Indentation" Journal of the American Ceramic Society, Vol. 59, No. 7-8, pp. 371-372 (1976).

[2] J. J. Mecholsky, S. W. Freiman, and R. W. Rice, "Fracture Surface Analysis of Ceramics" Journal of Materials Science, Vol. 11, pp. 1310-1319 (1976).

Property Table:

    Temperature = 23 °C
    Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
    Size                 Toughness     Energy     Method       Environment
    [µm]       [%]       [MPa·m1/2]     [J/m2]
    ------   --------   ------------   ---------  -----------  -----------  --------------------------------
    0.9                     ICS          dry N2     Ref. 1; H = 1.0 GPa; nu = 0.3
    --------------------------------------------------------------------------------------------------------
    20-30                                  4         AMDCB        air        Ref. 2; E = 69 GPa
    --------------------------------------------------------------------------------------------------------