Synchrotron Microtomography of Polymer Derived Macroporous SiOC Ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Engineering Materials"
DOI: 10.1002/adem.201900172
Abstract: Porous ceramics have found immense applications in leading technological areas including porous burners, catalyst supports, and filtration media. It is extremely important to understand morphological features of highly porous ceramic bodies, and extract detailed quantitative… read more here.
Keywords: ceramic bodies; preceramic polymer; microtomography; topology ... See more keywords
In-situ 3D visualization of composite microstructure during polymer-to-ceramic conversion
Sign Up to like & getrecommendations! Published in 2018 at "Acta Materialia"
DOI: 10.1016/j.actamat.2017.10.054
Abstract: Abstract One route for producing fiber-reinforced ceramic-matrix composites entails repeated impregnation and pyrolysis of a preceramic polymer in a fiber preform. The process relies crucially on the development of networks of contiguous cracks during pyrolysis,… read more here.
Keywords: situ visualization; pyrolysis; polymer; visualization composite ... See more keywords
Phase evolution in Zr-doped preceramic polymer derived SiZrOC hybrids
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DOI: 10.1016/j.ceramint.2019.12.196
Abstract: Abstract The present work focuses on the phase evolution of SiZrOC ceramic hybrids derived from the doping of Zr in a phenyl-containing silsesquioxane based preceramic polymer in the temperature range of 800 °C–1300 °C. A commercially available… read more here.
Keywords: phase evolution; polymer; evolution doped; preceramic polymer ... See more keywords
Approaches to Preceramic Polymer Fiber Fabrication and On-Demand Applications
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DOI: 10.3390/ma15134546
Abstract: The demand for lightweight, high-modulus, and temperature-resistant materials for aerospace and other high-temperature applications has contributed to the development of ceramic fibers that exhibit most of the favorable properties of monolithic ceramics. This review demonstrates… read more here.
Keywords: polymer; chemistry; preceramic polymer; demand ... See more keywords