Hot-pressed Si3N4SiC whisker composites
✍ Scribed by A. Bellosi; G. De Portu
- Book ID
- 108025332
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 689 KB
- Volume
- 109
- Category
- Article
- ISSN
- 0921-5093
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📜 SIMILAR VOLUMES
SiC/Si 3 N 4 nanocomposites were prepared with carbon black and ␣-Si 3 N 4 powders by hot-pressed method. The microstructure, phase composition, dielectric and mechanical properties of the nanocomposites were investigated. The relative densities of SiC/Si 3 N 4 nanocomposites decreased from 99 to 86
Studies of pressureless sintering of Si3N 4 based matrices and Si3N4-SiC composites in the Y-Si-A1-O-N and Hf-Y-Si-A1-O-N additive systems have been carried out. Mechanical testing indicated that matrices had higher hardness and higher flexural strength than composites. Composites had higher fractur