[1]宋麥麗,傅利坤.SiC先驅體-聚碳硅烷的應用研究進展[J].中國材料進展,2013,(4):243-248.[doi:10.7502/j.issn.1674-3962.2013.04.07]
SONG Maili,FU Likun.SiC precursor- applications research development of polycarbosilane[J].MATERIALS CHINA,2013,(4):243-248.[doi:10.7502/j.issn.1674-3962.2013.04.07]
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SiC先驅體-聚碳硅烷的應用研究進展(
)
中國材料進展[ISSN:1674-3962/CN:61-1473/TG]
- 卷:
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- 期數:
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2013年第4期
- 頁碼:
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243-248
- 欄目:
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研究報告
- 出版日期:
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2013-04-30
文章信息/Info
- Title:
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SiC precursor- applications research development of polycarbosilane
- 作者:
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宋麥麗; 傅利坤
-
（西安航天復合材料研究所 西安 710025 ）
- Author(s):
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SONG Maili; FU Likun
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（Xi an Aerospace Composites Material Institute, Xi an 710025,China）
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- 關鍵詞:
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聚碳硅烷（PCS）; SiC纖維; SiC基陶瓷復合材料; SiC表面/界面涂層
- DOI:
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10.7502/j.issn.1674-3962.2013.04.07
- 文獻標志碼:
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A
- 摘要:
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碳化硅（SiC）陶瓷涂層和碳化硅（SiC）基陶瓷復合材料具有抗氧化、耐高溫、耐磨、耐腐蝕等優異的綜合性能，已在宇航領域得到廣泛應用。聚合物先驅體——聚碳硅烷經高溫裂解可制備碳化硅陶瓷涂層或碳化硅基體。綜述了聚碳硅烷的合成、結構與性能以及其用于制備SiC纖維、SiC表面/界面抗氧化涂層和SiC基陶瓷復合材料的情況。對C/C材料進行SiC涂層，提高了復合材料的抗氧化燒蝕性能，延長了C/C材料的使用壽命。采用“CVI+PIP”工藝研制的C/SiC復合材料彎曲強度高達643 MPa，斷裂韌性高達2094 MPa·m 1/2。
- Abstract:
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Composites with silicone carbide matrix and coatings have been widely used in aerospace field, due to fheir high properties of being resistant to oxidation, high temperature resisting, wearresisting, corrosionresisting and thermal endurant. As a kind of polymer precursor, polycarbosilane can be used to prepare silicone carbide coatings and silicone carbide matrix via polymer pyrolysis in circumstances of high temperature. Synthesizing methods, structures and properties of polycarbosilane are summarized in this article. Applications of silicone carbide fibers, surface/interface coatings of silicone carbide for resisting oxidation, silicone carbide matrix composites original from polycarbosilane are meanwhile included.Oxidation and ablation resisting properties of C/C composites clad with SiC coating are raised, service life are extended. Flexural strength and fracture toughness of C/SiC composite fabricated by CVI+PIP process are attained to be 643 MPa and 2094 MPa·m 1/2 respectively.
更新日期/Last Update:
2013-04-26