NIST Standard Reference Database 138
Last Update to Data Content: 1998
Reference: NIST Structural Ceramics Database
Other material collections: Property Data Summaries
Other Toughness materials
[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..........:
[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).
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
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33 1.05 CNB air Ref. 2
27 1.13 CNB air
13 1.40 CNB air
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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
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20 1.07 SENB air Ref. 4
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7 11 0.94 SENB air Ref. 5
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40 0.5 SENB air Ref. 6
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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
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15 1.2 SENB air Ref. 8
10 1.5 SENB air
7 3.1 SENB air
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0 1.85 ICS air Ref. 9; E = 97.1 GPa
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0 0.43 ICS air Ref. 10; Tc = 65 K
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0 1.1 ICS air Ref. 11
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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
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0 0.67 ICS air Ref. 13; E/H = 27; (001) face
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