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

Iron Oxide ( FeO )

Material Summary:

                      [Ref. 1]  
Manufacturer........: Unknown
Material Designation: iron oxide; also known as ferrous oxide
Material Form.......: Polycrystal
Composition.........: Fe0.94O
Processing..........: 

References:

[1] M. I. Mendelson and M. E. Fine, "Fracture of Wustite and Wustite-Fe3O4-5v/o Fe Versus Grain Size," Fracture Mechanics of Ceramics, Vol. 2, pp. 527-539 (1974).

Property Table:

Temperature = 23 °C
Grain     Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                  Toughness     Energy     Method       Environment
[µm]        [%]       [MPa·m1/2]     [J/m2] 
------    --------   ------------   ---------  -----------  -----------  --------------------------------
 9 [8-12]                             8.1         DCB           air       All specimens were rapidly cooled
21 [16-27]                            6.8         DCB                     from about 600 °C after pressure
38 [33-44]                            7.5         DCB                     sintering to retain the metastable
58 [56-60]                            8.2         DCB                     wustite phase.
71 [65-76]                            7.1         DCB                     
88 [86-95]                            7.6         DCB                     
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