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
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
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
Preceramic polymer-hybridized phenolic aerogels and the derived ZrC/SiC/C ceramic aerogels with ultrafine nanocrystallines.
Sign Up to like & getrecommendations! Published in 2024 at "Nanoscale"
DOI: 10.1039/d4nr03470h
Abstract: Phenolic and carbon aerogels have important applications for thermal insulation and ablative resistance materials in aerospace field. However, their antioxidant ability in long-term high-temperature aerobic environments faces serious challenges. To solve this problem, Zr/Si preceramic… read more here.
Keywords: ceramic aerogels; hybridized phenolic; polymer hybridized; preceramic polymer ... See more keywords
A unique hybrid of vanadium carbide and oxycarbide derived carbon from a preceramic polymer route with faradaic and supercapacitive charge storage.
Sign Up to like & getrecommendations! Published in 2025 at "Dalton transactions"
DOI: 10.1039/d5dt01696g
Abstract: Polymer-derived ceramics are a versatile class of multifunctional materials synthesized via the high-temperature treatment of a preceramic polymer. In this work, we report the synthesis of a vanadium carbide-embedded carbonaceous hybrid by pyrolyzing a modified… read more here.
Keywords: vanadium; charge storage; preceramic polymer; charge ... See more keywords
Approaches to Preceramic Polymer Fiber Fabrication and On-Demand Applications
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
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