氧化铝纤维增强氧化铝陶瓷基复合材料的组成及制备工艺的研究进展  

Research progress in composition and preparation process of alumina fiber reinforced alumina ceramic matrix composites

作　　者：冻瑞岚 彭志航 向阳 曹峰[1] DONG Ruilan;PENG Zhihang;XIANG Yang;CAO Feng(Science and Technology on Advanced Ceramic Fibers and Composites Laboratory,College of Aerospace Science and Engineering,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学空天科学学院,新型陶瓷纤维及其复合材料重点实验室,长沙410073

出　　处：《材料工程》2023年第10期27-41,共15页Journal of Materials Engineering

基　　金：国家自然科学基金项目(51802344)。

摘　　要：连续氧化铝纤维增强氧化铝陶瓷基复合材料(Al_(2)O_(3f)/Al_(2)O_(3)陶瓷基复合材料)具备高熔点、高强度、抗氧化等特点,提升了现有航空航天热端部件自身抗氧化性能,是高温有氧环境应用的理想候选材料。本文首先分析了Al_(2)O_(3f)/Al_(2)O_(3)陶瓷基复合材料的组成部分——氧化铝纤维、氧化铝基体和常见界面相的种类及其作用。其次,总结了目前Al_(2)O_(3f)/Al_(2)O_(3)陶瓷基复合材料所采用的制备工艺如浆料浸渍法、溶胶-凝胶法、前驱体浸渍-裂解法,并讨论了不同制备技术路线对氧化铝陶瓷基复合材料性能的影响、列举了部分国内外学者的工作现状及成果。最后,对于制备在中高温负载下达到较高强度和断裂韧度、能够实现长时间服役的Al_(2)O_(3f)/Al_(2)O_(3)陶瓷基复合材料提出了可行的优化方案。The continuous alumina fiber reinforced alumina ceramic matrix composite(Al_(2)O_(3f)/Al_(2)O_(3) ceramic matrix composite) have the characteristics of high melting point,high strength,oxidation resistance,etc.,which improves oxidation resistance of the existing aerospace thermal components,and is an ideal candidate material for the application in high temperature and aerobic environment.In this paper,firstly,the constituents of Al_(2)O_(3f)/Al_(2)O_(3) composites were analyzed,including reinforced fibers,ceramic matrix and interfacial materials.Moreover,the preparation processes of Al_(2)O_(3f)/Al_(2)O_(3) ceramic matrix composites such as slurry infiltration,sol-gel method,precursor infiltration and pyrolysis method,were summarized.The influence of preparation process on the properties of alumina ceramic matrix composites was discussed and numerous achievements were listed.Lastly,feasible optimization schemes were proposed for the preparation of Al_(2)O_(3f)/Al_(2)O_(3) ceramic matrix composites with high strength and fracture toughness under medium-high temperature load and long service period.

关 键 词：氧化铝连续纤维 氧化铝基体 陶瓷基复合材料 界面相 制备方法 

分 类 号：TB332[一般工业技术—材料科学与工程]