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单纤维拔出方法表征CFRP界面强度的研究
引用本文:黄玉东 孙文训. 单纤维拔出方法表征CFRP界面强度的研究[J]. 高技术通讯, 1995, 5(12): 34-37
作者姓名:黄玉东 孙文训
作者单位:哈尔滨工业大学应用化学系
摘    要:提出了单根碳纤维从环氧树脂基体中拔出的一种简易方法,在国内首次实现了用该方法表征碳纤维增强树脂基复合材料(CFRP)界面粘合性能的技术。

关 键 词:碳纤维 复合材料 界面 强度 单纤维拔出

An Investigation on the Single-fiber Pull-out Method for Evaluating the Interfacial Strength in CFRP
Huang Yudong,Sun Wenxun,Zhang Zhiqian,Wei Yuezhen. An Investigation on the Single-fiber Pull-out Method for Evaluating the Interfacial Strength in CFRP[J]. High Technology Letters, 1995, 5(12): 34-37
Authors:Huang Yudong  Sun Wenxun  Zhang Zhiqian  Wei Yuezhen
Abstract:single-fiber pull-out testing(SFPOT)methods are frequently used to evaluate the interfacial adhesionbetween fiber and matrix in composite materials.To do such pull-out measurements,however,the lengthof embedded fiber must be small enough so that the fiber does not break before it is pulled out freely,It isdifficult to achieve by conventional methods for fibers of small diameter such as the cartbon fibers.In thispaper,a fiber pull-out experiment is described.Specialized apparatus which were used in our experiment aswell as the technique of sample preparation are discussed in detail.The interfacial shear strength of carbonfiber/resin matrix composites is analyzed quantitatively using the finite-element method.The SFPOTsystem has been proved to be an available means for the study of interfacial properties for carbon fiber/resinmatrix composites.
Keywords:Carbon fiber  Composite materials  Interfacial shear strength  Single fiber pull-out  
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