【摘要】 本文综述了超低温复合材料的研究背景和国内外最新进展。首先对超低温复合材料所用基体和增强材料进行了介绍,然后介绍了超低温复合材料的测试手段和主要关注的性能,主要包括结构表征、复合材料界面、力学性能、热循环使用寿命、渗漏性测试、材料损伤检测。同时,还介绍了超低温复合材料的应用。最后,本文展望了超低温复合材料的发展趋势和研究方向。更多还原

【Abstract】 A review was given on the research background and latest development of cryogenic composites in domestic and foreign countries.The matrix and reinforcing materials used for cryogenic composites were briefly reviewed.The main testing techniques and main concerned properties such as structural characterization,leakage testing and material damage examination,composite interfaces,mechanical properties,service life of composites after thermally cycling are discussed.Meanwhile,the applications of cryogenic composites were also introduced.Finally,the future trends and research direction of cryogenic composites were discussed.更多还原