| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1500664 | Scripta Materialia | 2011 | 4 Pages |
Abstract
The mechanical properties of Y2Ti2O7 ceramics have been systematically characterized. Y2Ti2O7 shows higher hardness (12.1 GPa) than Y2O3 and TiO2. The Young’s modulus of Y2Ti2O7 (262 GPa) is close to that of TiO2 and 50% higher than that of Y2O3. The fracture toughness (1.9 MPa m1/2) and bending strength (206 MPa) are comparable with those of Y2O3 but half those of TiO2. The indentation size effect on the hardness in nanoindentation tests is discussed based on the Nix–Gao model.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
L.F. He, J. Shirahata, T. Nakayama, T. Suzuki, H. Suematsu, I. Ihara, Y.W. Bao, T. Komatsu, K. Niihara,