Patel, Manish ; Reddy, J. J. ; Bhanu Prasad, V. V. ; Subrahmanyam, J. ; Jayaram, Vikram (2012) Residual strength of hot pressed zirconium diboride (ZrB2) after exposure to high temperatures Materials Science and Engineering: A, 535 . pp. 189-196. ISSN 0921-5093
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.msea.2011.12.062
Abstract
ZrB2 with different amounts of B4C additive (0–5 wt.%) has been hot pressed at 2000 °C and 25 MPa for 1 h. By addition of B4C, density as well as micro-hardness increased. For lower B4C content (0.5 and 1 wt.%), hot pressed ZrB2 shows considerable improvement in flexural strength after exposure in air at 1000 °C for 5 h, while higher B4C content (3 and 5 wt.%) leads to marginal or no improvement. For any content of B4C, flexural strength after exposure in air at 1500 °C for 5 h is lower than as-hot pressed ZrB2.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 95957 |
| Deposited On: | 30 Nov 2012 10:32 |
| Last Modified: | 30 Nov 2012 10:32 |
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