氧化铝纤维增强氮化硼基复合材料制备及性能研究

doi:10.19936/j.cnki.2096-8000.20230728.018

摘要/Abstract

摘要： 以连续氧化铝纤维编织的2.5D织物为增强体,氮化硼陶瓷为基体,采用PIP工艺制备了2.5D氧化铝纤维增强氮化硼(AB)基复合材料。研究不同烧结温度下AB复合材料的力学性能、介电性能,并对复合材料断口形貌和烧蚀形貌进行分析。研究表明:AB-1200具有优异的力学性能、介电性能和较好的抗烧蚀性能,在1 000 ℃下力学性能是同条件下2.5D石英纤维增强氮化硼复合材料力学性能的2倍,该体系可用作耐高温烧蚀透波材料。

关键词: 氧化铝纤维, 氮化硼, 复合材料, 制备, 性能

Abstract: The 2.5D alumina fiber reinforced boron nitride (AB) matrix composites were prepared by PIP process with continuous alumina fiber woven 2.5D fabric as reinforcement and boron nitride ceramics as matrix. The mechanical and dielectric properties of AB composites at different sintering temperatures were studied. The fracture morphology and ablation morphology of the composites were analyzed. The results show that AB-1200 composite has excellent mechanical properties, dielectric properties and good ablation resistance. The mechanical properties of AB-1200 composite at 1 000 ℃ are twice that of 2.5D quartz fiber reinforced boron nitride composites under the same conditions. The AB composites can be used as high temperature ablation transparent materials.

Key words: alumina fiber, boron nitride, composite, preparation, performance

中图分类号:

TB332

高龙飞, 柴笑笑, 李松, 彭喆. 氧化铝纤维增强氮化硼基复合材料制备及性能研究[J]. 复合材料科学与工程, 2023, 0(7): 125-128.

GAO Longfei, CHAI Xiaoxiao, LI Song, PENG Zhe. Preparation and properties of alumina fiber reinforced boron nitride matrix composites[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(7): 125-128.

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