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

Y:123 ( YBa2Cu3O7-x )

Material Summary:

                      [Ref. 1-8]                   [Ref. 9-13]
Manufacturer........: Authors' laboratories        Authors' laboratories
Material Designation: Y:123                        Y:123
Material Form.......: Polycrystal                  Single crystal
Composition.........: YBa2Cu3O7-x                    YBa2Cu3O7-x
Processing..........: 

References:

[1] R. F. Cook, T. M. Shaw, and P. R. Duncombe, "Fracture Properties of Polycrystalline YBa2Cu3Ox," Advanced Ceramic Materials, Vol. 2, pp. 606-614 (1987).

[2] F. Yeh and K. W. White, "Fracture Toughness Behavior of the YBa2Cu3O7-x Superconducting Ceramic with Silver Oxide Additions," Journal of Applied Physics, Vol. 70, pp. 4989-4994 (1991).

[3] F. Osterstock, I. Monot, G. Desgardin, and B. L. Mordike, "Influence of Grain Size on the Toughness and Thermal Shock Resistance of Polycrystalline YBa2Cu3O7-x," Journal of the European Ceramic Society, Vol. 16, pp. 687-694 (1996).

[4] N. M. Alford, J.D. Birchall, W.J. Clegg, M.A. Harmer, K. Kendall, and D.H. Jones, "Physical and Mechanical Properties of YBa2Cu3O7-x Superconductors," Journal of Materials Science, Vol. 23, pp. 761-768 (1988).

[5] G. G. Siu and W. G. Zeng, "Phase-Transition Toughening of High-Tc Superconducting Ceramics," Journal of Materials Science, Vol. 28, pp. 5875-5879 (1993).

[6] I.M. Low, R.D. Skala, and G. Mohazzab-H, "Mechanical and Fracture Properties of Epoxy-Modified YBaCuO (123) Superconductors,", Journal of Materials Science Letters, Vol. 13, pp. 1340-1342 (1994).

[7] F. Osterstock, S. Strauss, B.L. Mordike, and G. Desgardin, "Toughness and Thermoshock Resistance of Polycrystalline YBa2Cu3O7-x," Journal of Alloys and Compounds, Vol. 195, pp. 679-682 (1993).

[8] K. C. Goretta, M. L. Kullberg, D. Bar, G. A. Risch, and J. L. Routbort, "Fracture Toughness of YBa2Cu3Ox Containing Y2BaCuO(5) and ZrO2," Superconductor Science and Technology, Vol. 4, pp. 544-547 (1991).

[9] Q. H. Ni, D. L. Wang, and Q. P. Kong, "Mechanical Properties of YBCO Superconductors Prepared by the Melt-Textured Growth Method," Physica Status Solidi (a), Vol. 138, pp. K29-K33 (1993).

[10] V. V. Demirskii, H. J. Kaufmann, S. V. Lubenets, V. D. Natsik, and L. S. Fomenko, "Microhardness and Microbrittleness of Single Crystals of the High-Temperature Superconductor YBaCuO," Soviet Physics Solid State, Vol. 31, pp. 1065-1066 (1989).

[11] R. F. Cook, T. R. Dinger, and D. R. Clarke, "Fracture Toughness Measurements of YBa2Cu3Ox Single Crystals," Applied Physics Letters, Vol. 51, pp. 454-456 (1987).

[12] A. S. Raynes, S. W. Freiman, F. W. Gayle, and D. L. Kaiser, "Fracture Toughness of YBa2Cu3O7-x Single Crystals: Anisotropy and Twinning Effects," Journal of Applied Physics, Vol. 70, pp. 5254-5257 (1991).

[13] A. Goyal, P.D. Funkenbusch, D. M. Kroeger, and S. J. Burns, "Anisotropic Hardness and Fracture Toughness of Highly Aligned YBa2Cu3O7-x," Journal of Applied Physics, Vol. 71, pp. 2363-2367 (1992).

Property Table:

Temperature = 23 °C
Grain    Porosity    Fracture      Fracture   Measurement  Measurement  Comments
Size                 Toughness     Energy     Method       Environment
[µm]       [%]       [MPa·m1/2]     [J/m2] 
------   --------   ------------   ---------  -----------  -----------  --------------------------------
            14          1.3                       ICS           air      Ref. 1; assumes E/H = 40
--------------------------------------------------------------------------------------------------------
            33          1.05                      CNB           air      Ref. 2
            27          1.13                      CNB           air
            13          1.40                      CNB           air
--------------------------------------------------------------------------------------------------------
  1.5       19          0.70                      ICS           air      Ref. 3; E = 180 GPa; H = 8.7 GPa
  3.5       19          0.84                      ICS           air
  5.5       22          1.64                      ICS           air
 10.0       16          0.24                      ICS           air
--------------------------------------------------------------------------------------------------------
            20          1.07                      SENB          air      Ref. 4
--------------------------------------------------------------------------------------------------------
  7         11          0.94                      SENB          air      Ref. 5
--------------------------------------------------------------------------------------------------------
            40          0.5                       SENB          air      Ref. 6
--------------------------------------------------------------------------------------------------------
                                                                         Ref. 7; E = 180 GPa; H = 8.7 GPa
            19          0.70                      ICS           air              Very fine grains
            19          0.84                      ICS           air              Fine grains
            22          1.64                      ICS           air              Medium grains
            16          0.24                      ICS           air              Coarse grains
--------------------------------------------------------------------------------------------------------
            15          1.2                       SENB          air      Ref. 8
            10          1.5                       SENB          air
             7          3.1                       SENB          air
--------------------------------------------------------------------------------------------------------
             0          1.85                      ICS           air      Ref. 9; E = 97.1 GPa
--------------------------------------------------------------------------------------------------------
             0          0.43                      ICS           air      Ref. 10; Tc = 65 K
--------------------------------------------------------------------------------------------------------
             0          1.1                       ICS           air      Ref. 11
--------------------------------------------------------------------------------------------------------
             0          0.8                       ICS           air      Ref. 12; E = 157 GPa; twinned;
                                                                                  cracks parallel to c
             0          0.3                       ICS           air               E = 89 GPa; twinned;
                                                                                  cracks perpendicular to c
--------------------------------------------------------------------------------------------------------
             0          0.67                      ICS           air      Ref. 13; E/H = 27; (001) face
--------------------------------------------------------------------------------------------------------