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- Title
Making Bulk Ceramics from Polymeric Precursors.
- Authors
Tao Jiang; Hill, Arnold; Weifeng Fei; Yun Wei; Tellam, Mark; Chengying Xu; Linan An
- Abstract
In this paper, we report a simple technique for making bulk Si-based ceramics from polymeric precursor. In this technique, a porous polymer preform with high porosity is used as a template. The preform is thermally decomposed before the precursor during pyrolysis to form interconnected pores for releasing gaseous species resulting from pyrolysis of precursors to avoid the formation of cracks within resultant ceramics. The thermal decomposition behavior of both template and precursor is studied for determining the proper pyrolysis procedure. The microstructure, porosity, and mechanical strength of the ceramics obtained are characterized.
- Subjects
CERAMICS; POLYMERS; POROUS materials; SILICON; PYROLYSIS; TEMPERATURE effect; PHASE transitions
- Publication
Journal of the American Ceramic Society, 2010, Vol 93, Issue 10, p3017
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1551-2916.2010.04069.x