摘要
随着我国航空航天事业的飞速发展,超高温陶瓷(Ultra—high temperature ceramics,UHTCs)作为一种可以应用干超高温结构中的理想材料受到国内外研究人员的广泛关注。本文介绍了颗粒增韧、晶须增韧、纤维增韧、仿生叠层增韧等ZrB_2陶瓷增韧技术的增韧机理以及研究现状,展望了今后ZrB_2陶瓷增韧技术的发展方向。
With the rapid development of China's aerospace industry,ultra-high temperature ceramics,as candidate materials used for ultra-high temperature structures,have drawn great interests.In this paper,particle toughening,whisker toughing,fiber toughing and bionic laminated toughing are introduced.Toughening mechanism has been discussed.Finally the trend of research is prospected.
引文
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