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碳纤维增强超高温陶瓷基复合材料研究进展 被引量:12

Progress on Carbon Fiber Reinforced Ultra-High Temperature Ceramic Matrix Composites
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摘要 超高温陶瓷(UHTCs)因在高超声速飞行器热防护领域的巨大应用前景而备受关注,而脆性大、烧结成型困难是制约UHTCs广泛应用的实质问题。将碳纤维与UHTCs复合获得碳纤维增强超高温陶瓷基复合材料(Cf/UHTCs)是克服这一问题的可靠方案。近10年来,我国在Cf/UHTCs工程应用方面获得了重大突破,取得了一系列具有世界先进水平的应用成果。然而,由于Cf/UHTCs制备过程复杂,服役环境苛刻(> 2000℃,> 5 Ma气流冲刷),在结构演化、性能机理等方面仍存在一些关键科学问题亟需明确。综述了Cf/UHTCs在基体改性、氧化烧蚀机理、高温力学行为等方面的研究进展,并结合本团队的研究工作对Cf/UHTCs的研究趋势进行了总结和展望,旨在为进一步推动Cf/UHTCs的研究和发展提供参考。 Ultra-high temperature ceramics( UHTCs) have received great attention due to their application potentials in the thermal protection system of hypersonic vehicles. The major problems that restrict the wide application of UHTCs are high brittleness and difficulty to be sintered. Introduction of carbon fiber into UHTCs to obtain fiber reinforced UHTCs( Cf/UHTCs) is an effective solution to these problems. In the past 10 years,our country has made major breakthroughs in the engineering application of Cf/UHTCs and obtained a series of world-class achievements. However, because of the complicated preparation process and harsh service environment(>2000 ℃,>5 Ma airflow scouring),Cf/UHTCs still exist several critical scientific issues need to be clarified,especially in terms of structural evolution and performance mechanisms.reviews The research progress on matrix modification,oxidation-ablation mechanism and high-temperature mechanical properties of Cf/UHTCs was reviewed. Also,the future research trends of Cf/UHTCs based on the recent research results of our group were summarized and prospected. This paper provides a reference for further research and development of Cf/UHTCs.
作者 陈小武 董绍明 倪德伟 阚艳梅 周海军 王震 张翔宇 丁玉生 CHEN Xiaowu;DONG Shaoming;NI Dewei;KAN Yanmei;ZHOU Haijun;WANG Zhen;ZHANG Xiangyu;DING Yusheng(State Key Laboratory of High Performance Ceramics and Superfine Microstructure,Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics,Chinese Academy of Sciences, Shanghai 200050, China)
出处 《中国材料进展》 CAS CSCD 北大核心 2019年第9期843-854,共12页 Materials China
基金 上海市科学技术委员会资助项目(19ZR1464700)
关键词 Cf/UHTCs复合材料 基体改性 氧化烧蚀 高温力学性能 结构调控 Cf/UHTCs matrix modification oxidation and ablation high-temperature mechanical properties microstructure regulation
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