As insertion opportunities keep increasing for ceramic matrix composites in aerospace and power generation, the understanding of changes in microstructure needs to be explored. Past efforts have looked at the effect of different weave architectures on the mechanical performance of CMCs. This effort expands previous studies by changing the fiber used in the CMC. This change was also accompanied by a process change that affected porosity distribution in the material. The changes introduced were investigated via micro-structural and property characterization. The property characterization consisted of mechanical and thermal testing. The results from this testing will be presented, trends reviewed and analysis done and compared to past testing efforts.


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