| Autor: |
Zhong Ming Chen, Qing Ling Lin, Kai Hui Zuo, Yu Ping Zeng, Dong Liang Jiang |
| Rok vydání: |
2007 |
| Předmět: |
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| Zdroj: |
Key Engineering Materials. :1447-1450 |
| ISSN: |
1662-9795 |
| DOI: |
10.4028/www.scientific.net/kem.353-358.1447 |
| Popis: |
(Al2O3+Ni) and (Al2O3+Ni)/Ni laminated materials were prepared by tape casting and hot pressing sintering. The mechanical properties of (Al2O3+20wt%Ni) laminated composites were higher than those of (Al2O3+50wt%Ni) composites and Al2O3 sample. The strengthening in the (Al2O3+Ni) composites mainly results from microstructure refinement of the alumina grain size, cracks bridging and crack deflection by the Ni particles. Results showed that the strength and fracture toughness of (Al2O3+Ni)/Ni laminated materials were higher than those of Al2O3/Ni laminated materials with the same layer numbers and thickness ratio. The good mechanical properties of (Al2O3+Ni) and (Al2O3+Ni)/Ni laminated materials result from the second phase of Ni particles in Al2O3 layers. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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