Physical, thermal and ablative performance of CVI densified urethane-mimetic SiC preforms containing in situ grown Si<sub>3</sub>N<sub>4</sub> whiskers

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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 Farhan^a ; ^{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 Wang^a ; ^{rmwang@nwpu.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Kezhi Li^b
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

•: A two-step process for making preform and SiC/Si3N4/SiC ceramics.
•: One-step pyrolysis and siliconization treatment at 1600 °C/4 h.
•: SiC/Si3N4 preform containing in situ grown Si3N4 whiskers.
•: Isotropic physical and thermal properties contrary to bio-mimetic ceramics.
•: Densification using chemical vapor infiltration for higher densities.

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