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原位反應(yīng)法制備的碳化硅涂層/三維編織碳纖維的氧化性能研究
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TB332

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國(guó)家自然科學(xué)基金(90305001)


Study of Oxidation Rasistant Properties of SiC Coatings/3-Dimensional Braided Carbon Fiber Prepared by in-Situ Reaction
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    摘要:

    采用原位反應(yīng)法在三維編織碳纖維(原纖維)表面制得β-SiC涂層,通過(guò)XRD,SEM,等溫氧化失重和非等溫?zé)嶂胤治龅葴y(cè)試手段研究了制備方法對(duì)涂層性能的影響。結(jié)果表明:利用此法可得到均勻、完整,界面結(jié)合良好的涂層,涂層厚度增加,涂層/三維編織碳纖維(復(fù)合纖維)抗氧化性能增強(qiáng)。并對(duì)復(fù)合纖維氧化反應(yīng)的機(jī)理進(jìn)行了研究。

    Abstract:

    The XRD, SEM, isothermal oxidation-weight loss and non-isothermal TG-DTG were used to study the properties of SiC coatings/ 3-D braided carbon fiber(composite fiber) prepared by in-situ reaction method. The results show that coatings is coated symmetrically and combine well with every fiber of 3-D braids in proper reaction conditions, the oxidation resistance of composite fiber increase with the increase of SiC coatings thickness. The oxidation resistant properties and mechanism of composite fiber were studied also.

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高朋召,王紅潔,金志浩.原位反應(yīng)法制備的碳化硅涂層/三維編織碳纖維的氧化性能研究[J].稀有金屬材料與工程,2006,35(4):533~537.[Gao Pengzhao, Wang Hongjie, Jin Zhihao. Study of Oxidation Rasistant Properties of SiC Coatings/3-Dimensional Braided Carbon Fiber Prepared by in-Situ Reaction[J]. Rare Metal Materials and Engineering,2006,35(4):533~537.]
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  • 最后修改日期:2003-12-16
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