Polymer-derived SiOC-barium-strontium aluminosilicate coatings as an environmental barrier for C/SiC composites

Jia Liu; Litong Zhang; Qiaomu Liu; Laifei Cheng; Yiguang Wang

doi:10.1111/j.1551-2916.2010.04000.x

Polymer-derived SiOC-barium-strontium aluminosilicate coatings as an environmental barrier for C/SiC composites

Jia Liu, Litong Zhang, Qiaomu Liu, Laifei Cheng, Yiguang Wang^*

^*此作品的通讯作者

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

45 引用（Scopus）

摘要

Polysiloxanes polymer coatings were formed on carbon fiber-reinforced silicon carbide (C/SiC) composites at 100°C in air with barium-strontium aluminosilicate (BSAS) as fillers. After the polymeric coatings were pyrolyzed at 1350°C under argon, a dense SiOC-BSAS-coated C/SiC composite was obtained. The oxidation test in dry air and the corrosion test in water vapor were carried out on the coated composites at 1250°C, respectively. The results indicated that the polymer-derived SiOC-BSAS coatings could protect the C/SiC composites well both in dry air and water vapor. Even after corroded for 200 h in water vapor, the coated C/SiC composites showed little weight loss and high residual flexural strength.

源语言	英语
页（从-至）	4148-4152
页数	5
期刊	Journal of the American Ceramic Society
卷	93
期	12
DOI	https://doi.org/10.1111/j.1551-2916.2010.04000.x
出版状态	已出版 - 12月 2010
已对外发布	是

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title = "Polymer-derived SiOC-barium-strontium aluminosilicate coatings as an environmental barrier for C/SiC composites",

abstract = "Polysiloxanes polymer coatings were formed on carbon fiber-reinforced silicon carbide (C/SiC) composites at 100°C in air with barium-strontium aluminosilicate (BSAS) as fillers. After the polymeric coatings were pyrolyzed at 1350°C under argon, a dense SiOC-BSAS-coated C/SiC composite was obtained. The oxidation test in dry air and the corrosion test in water vapor were carried out on the coated composites at 1250°C, respectively. The results indicated that the polymer-derived SiOC-BSAS coatings could protect the C/SiC composites well both in dry air and water vapor. Even after corroded for 200 h in water vapor, the coated C/SiC composites showed little weight loss and high residual flexural strength.",

author = "Jia Liu and Litong Zhang and Qiaomu Liu and Laifei Cheng and Yiguang Wang",

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AU - Liu, Jia

AU - Zhang, Litong

AU - Liu, Qiaomu

AU - Cheng, Laifei

AU - Wang, Yiguang

PY - 2010/12

Y1 - 2010/12

N2 - Polysiloxanes polymer coatings were formed on carbon fiber-reinforced silicon carbide (C/SiC) composites at 100°C in air with barium-strontium aluminosilicate (BSAS) as fillers. After the polymeric coatings were pyrolyzed at 1350°C under argon, a dense SiOC-BSAS-coated C/SiC composite was obtained. The oxidation test in dry air and the corrosion test in water vapor were carried out on the coated composites at 1250°C, respectively. The results indicated that the polymer-derived SiOC-BSAS coatings could protect the C/SiC composites well both in dry air and water vapor. Even after corroded for 200 h in water vapor, the coated C/SiC composites showed little weight loss and high residual flexural strength.

AB - Polysiloxanes polymer coatings were formed on carbon fiber-reinforced silicon carbide (C/SiC) composites at 100°C in air with barium-strontium aluminosilicate (BSAS) as fillers. After the polymeric coatings were pyrolyzed at 1350°C under argon, a dense SiOC-BSAS-coated C/SiC composite was obtained. The oxidation test in dry air and the corrosion test in water vapor were carried out on the coated composites at 1250°C, respectively. The results indicated that the polymer-derived SiOC-BSAS coatings could protect the C/SiC composites well both in dry air and water vapor. Even after corroded for 200 h in water vapor, the coated C/SiC composites showed little weight loss and high residual flexural strength.

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Polymer-derived SiOC-barium-strontium aluminosilicate coatings as an environmental barrier for C/SiC composites

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