Abstract
The cubic (c‐ZrO2) and tetragonal zirconia (t‐ZrO2) phase stability regions in the system ZrO2–Y2O3–Ta2O5 were delineated. The c‐ZrO2 solid solutions are formed with the fluorite structure. The t‐ZrO2 solid solutions having a c/a axial ratio (tetragonality) smaller than 1.0203 display high fracture toughness (5 to 14 MPa · m1/2), and their instability/transformability to monoclinic zirconia (m‐ZrO2) increases with increasing tetragonality. On the other hand, the t‐ZrO2 solid solutions stabilized at room temperature with tetragonality greater than 1.0203 have low toughness values (2 to 5 MPa · m1/2), and their transformability is not related to the tetragonality.
References
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Dates
Type | When |
---|---|
Created | 20 years, 5 months ago (March 8, 2005, 12:04 p.m.) |
Deposited | 1 year, 9 months ago (Nov. 22, 2023, 10:41 p.m.) |
Indexed | 1 month, 2 weeks ago (July 19, 2025, 11:51 p.m.) |
Issued | 33 years, 9 months ago (Dec. 1, 1991) |
Published | 33 years, 9 months ago (Dec. 1, 1991) |
Published Online | 20 years, 5 months ago (March 8, 2005) |
Published Print | 33 years, 9 months ago (Dec. 1, 1991) |
@article{Kim_1991, title={Phase Stability and Physical Properties of Cubic and Tetragonal ZrO2 in the System ZrO2–Y2O3–Ta2O5}, volume={74}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/j.1151-2916.1991.tb04302.x}, DOI={10.1111/j.1151-2916.1991.tb04302.x}, number={12}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={Kim, Dae‐Joon and Tien, Tseng‐Ying}, year={1991}, month=dec, pages={3061–3065} }