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

Pyroceram 9606 ( Unknown Composition )

Material Summary:

                      [Ref. 1,2,3,4,5,6]              
Manufacturer........: Corning Glass      
Material Designation: Pyroceram 9606            
Material Form.......: Polycrystal        
Composition.........: Unknown     
Processing..........:

References:

[1] G. R. Anstis, P. Chantikul, B. R. Lawn, and D. B. Marshall, "A Critical Evaluation of Indentation Techniques for Measuring Fracture Toughness: I, Direct Crack Measurements" Journal of the American Ceramic Society, Vol. 64, No. 9, pp. 533-538 (1981).

[2] T. T. Shih, "An Evaluation of the Chevron V-Notched Bend Bar Fracture Toughness Specimen" Engineering Fracture Mechanics, Vol. 14, No. 4, pp. 821-832 (1981).

[3] D. K. Shetty, A. R. Rosenfield, and W. H. Duckworth, "Fracture Toughness of Ceramics Measured by a Chevron-Notch Diametral-Compression Test" Journal of the American Ceramic Society, Vol. 68, No. 12, pp. C-325-C-327 (1985).

[4] D. K. Shetty, A. R. Rosenfield, and W. H. Dockworth, "Indenter Flaw Geometry and Fracture Toughness Estimates for a Glass-Ceramic" Journal of the American Ceramic Society, Vol. 68, No. 10, pp. C-282-C-284 (1985).

[5] G. K. Bansal, "Effects of Ceramic Microstructure on Strength and Fracture Surface Energy" Ceramic Microstructures, pp. 860-871 (1976).

[6] G. D. Quinn, J. J. Swab, and M. D. Hill, "Fracture Toughness by the Surface Crack in Flexure (SCF) Method: New Test Results," Ceramic Engineering and Science Proceedings, Vol. 18 (4), pp. 163-172 (1997).

Property Table:


Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
                        2.5                      DCB           air       Ref. 1; E = 108 GPa
                        3.17                     ICS                             E = 120 GPa
                        2.69                     IS                              E = 120 GPa
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                        2.14                     CNB           air       Ref. 2
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                        2.07                     CNDC         dry N2     Ref. 3
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                        2.8                      ICS           air       Ref. 4
                        2.5                      IS              
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 2                                   24.8        SENB          air       Ref. 5; E = 114 GPa
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                        2.25                     SCF           air       Ref. 6; E = 132 GPa;
                                                                                 density = 2.59 g/cm3
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