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几种特种纤维的热水老化及性能研究 被引量：7

A study of hot-water aging and properties for some special fibers
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摘要 在25℃,50℃和96℃的热水中,对Kevlar29纤维、Kevlar49纤维和PBO纤维分别进行了吸水老化实验,测定了吸水率和拉伸断裂强度与热水老化条件(即温度和时间)的关系,通过FTIR图谱分析了纤维在吸水过程中可能发生的化学结构变化,通过SEM观察了热水老化导致的纤维表面微观形貌变化,讨论了纤维的吸水机理。 The hot-water aging experiments at 25℃,50℃ and 96℃ on Kevlar29,Kevlar49 and PBO fiber are conducted. The relationship between water absorbtion,tensile strength and hot-water aging condition are evaluated. The change of chemical-structure possibly occurred during fibers absorbing water is analyzed by FTIR spectra. The change of microscopic surface appearance made by hot-water is observed by SEM and the mechanism of water absorbtion on three kinds of fibers is discussed.
作者 张继华 詹茂盛 段跃新 王瑛
机构地区 北京航空航天大学材料学院
出处 《航空材料学报》 EI CAS CSCD 2004年第2期15-21,35,共8页 Journal of Aeronautical Materials
基金 863项目
关键词 热水老化 吸水率 拉伸断裂强度 实验 PBO纤维 KEVLAR纤维 纤维增强树脂基复合材料 hot-water aging Kevlar PBO fiber water regain aging mechanism
分类号 TB332 [一般工业技术—材料科学与工程]
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参考文献11

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二级参考文献26

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航空材料学报
2004年 第2期

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