Physical, thermal and ablative performance of CVI densified urethane-mimetic SiC preforms containing in situ grown Si3N4 whiskers
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- 作者：Shameel Farhana ; shameelfarhan@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; shameelfarhan@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Rumin Wanga ; rmwang@nwpu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Kezhi Lib
- 关键词：SiC/Si3N4/SiC composites ; Chemical vapor infiltration ; Porous ceramics ; Microstructure ; Physical properties
- 刊名：Journal of the European Ceramic Society
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：37
- 期：2
- 页码：499-508
- 全文大小：5333 K
文摘
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A two-step process for making preform and SiC/Si3N4/SiC ceramics.
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One-step pyrolysis and siliconization treatment at 1600 °C/4 h.
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SiC/Si3N4 preform containing in situ grown Si3N4 whiskers.
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Isotropic physical and thermal properties contrary to bio-mimetic ceramics.
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Densification using chemical vapor infiltration for higher densities.