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

Lead Zirconate Titanate ( PbZrxTiyO3 )

Material Summary:

                      [Ref. 1]                       [Ref. 2,3]                       [Ref. 4]
Manufacturer........: Channel Ind.                   Unknown                          Morgan
Material Designation: Lead Zirconate Titanate (PZT)  Lead Zirconate Titanate (PZT)    Lead Zirconate Titanate (PZT-8)
Material Form.......: polycrystal                    polycrystal                      polycrystal
Composition.........: PbZrxTiyO3                      PbZrxTiyO3                        PbZrxTiyO3
Processing..........: 

References:

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

[2] J. B. Bruce and B. G. Koepke, "Evaluation of K(Ic) by the Double-Torsion Technique" Journal of the American Ceramic Society, Vol. 60, No. 5-6, pp. 284-285 (1977).

[3] G. G. Pisarenko, V. M. Chushko, and S. P. Kovalev, "Anisotropy of Fracture Toughness of Piezoelectric Ceramics" Journal of the American Ceramic Society, Vol. 68, No. 5, 259-265 (1985).

[4] 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] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
  5                                 4            AMDCB         air       Ref. 1; E = 80 GPa
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                       0.81                      DT          toluene     Ref. 2
                       0.76                      DT            air
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  5                    1.35                      DT         air;         Ref. 3; Ba doped;
                       1.50                      ICS         70%-80%             crack plane = rz
                                                              relative
  5                    0.70                      ICS           humidity          Ba doped;
                                                                                 crack plane = xy
       
  6                    1.82                      ICS                             Nb doped;
                                                                                 crack plane = rz
  6                    0.77                      ICS                             Nb doped;
                                                                                 crack plane = xy
  4                    1.52                      DT                              W doped;
                                                                                 crack plane = rz
  4                    1.38                      DT                              W doped and
                                                                                 crack plane = xy
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                       1.08                      SCF            air       Ref. 4; poled;     E = 140 GPa; 
                       0.88                      SCF                              depoled;   density = 7.58 g/cm3
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