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细编穿刺C/C复合材料不同层次界面特性研究

INVESTIGATION ON THE INTERFACIAL CHARACTERISTICS IN DIFFERENT GRADATION FOR FINE WEAVE PIERCED C/C COMPOSITES

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【作者】 黄玉东朱惠光孙文训张志谦王俊山许正辉

【Author】 HUANG Yu dong ZHU Hui guang SUN Wen xun ZHANG Zhi qian (Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China) WANG Jun shan XU Zheng hui (Beijing Research Institute of Materials and Technology, Beijing

【机构】 哈尔滨工业大学应用化学系!哈尔滨150001北京材料工艺研究所!北京100076

【摘要】 针对细编穿刺 C/ C复合材料中单丝 /碳基体和纤维束 /碳基体不同层次界面结构特性 ,分别设计、建立了表征这两个层次界面结合性能的原位顶出仪 ,并将界面结合性能与 C/ C复合材料层间剪切强度测试进行了比较。利用该原位技术 ,研究了不同工艺参数条件下 C/ C复合材料这两个层次界面结合性能的关系 ,并讨论了它们对 C/ C复合材料拉伸强度的影响。表明 :本文中所建立的单纤维和整束纤维顶出技术可用于定量表征 C/ C复合材料的不同层次界面粘合性能。不同层次界面结合状态在一定程度上对材料宏观力学性能的影响是不同的

【Abstract】 To study the different graded interfacial characteristics of fiber/matrix and fiber bundle/matrix for carbon/carbon composites, two sets of push out instruments for evaluating the interfacial bonding properties were designed and established respectively. Meanwhile, by using the push out techniques, the relationship between the bonding strength of these two graded interfaces under different processing parameters of C/C composites was investigated and their effects on the tensile properties of C/C composites were discussed. It is found that the fiber and fiber bundle push out test techniques established in this paper can be used to evaluate the different graded interfacial bonding properties of C/C composites quantitatively. The results reveal that the different graded interfacial bonding status provides different contributions to the macro mechanical properties of C/C composites to some extent.

【基金】 国家自然科学基金 !( 5 9673 0 0 7)
  • 【文献出处】 复合材料学报 ,ACTA MATERIAE COMPOSITAE SINICA , 编辑部邮箱 ,2000年01期
  • 【分类号】TB332
  • 【被引频次】26
  • 【下载频次】381
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