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High-volume-fraction Si 3 N 4 -Al-based composites have been fabricated by high-pressure casting method. The effects of chemical composition of infiltrated Al alloys, microstructures of Si 3 N 4 preforms, and test temperature on the mechanical properties were investigated. The maximum four-point bending strength and fracture toughness of the composites reached 924 and...
The purpose of this study was to describe the influence of metal particles on the fracture toughness of ceramic matrix composites. Here, alumina matrix composites with molybdenum particles have been investigated. The results presented show that the change of fracture toughness of a ceramic-metal composite can be controlled by the volume fraction of metallic phase and size of metal particles.The model...
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