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首页> 外文会议>International conference on composite materials;ICCM-11 >Compression after impact (CAI) properties of hat stiffened CF/PEEK panels fabricated through a route without autoclave
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Compression after impact (CAI) properties of hat stiffened CF/PEEK panels fabricated through a route without autoclave

机译：通过没有高压釜的路线制造的加硬CF / PEEK帽子的冲击后压缩（CAI）性能

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摘要

Compression after impact (CAI) properties in composite structure levels were experimentally obtained and examined. A remarkable feature in the fabrication technology of the test piece panels was the fusion bonding process without autoclave. This route was pursued for possible low cost fabrication methodology of carbon fiber (CF_/thermoplastic composites exhibiting an excellent damage tolerance property. Used test specimens were stiffened panels with hat shaped stiffeners regarded as optimal for CF/thermoplastic, CF/PEEK being chosen here. Two kinds of panels in size were tested in compression loading after drop weight impact for creating delamination. The results are compared with the previous similar CAI tests for T-stiffened panels of CF/PEEK where the present results exhibit higher CAI values. A potential of this fusion bonding technology without autoclave is indicated. Numerical analysis for predicting initial buckling stress was also conducted with a favorable agreement with experiments.
机译：通过实验获得并检查了复合结构水平的冲击后压缩（CAI）特性。试板面板制造技术的显着特征是没有高压釜的熔融粘合工艺。寻求低成本碳纤维制造方法（CF_ /热塑性复合材料表现出优异的抗损伤性能）是采用这种方法。所用的试样是带有帽形加劲肋的加劲板，被认为是CF /热塑性塑料的最佳选择，此处选择CF / PEEK。在跌落冲击后产生分层时，对两种尺寸的板材进行了压缩载荷测试，并将结果与​​先前类似的CF / PEEK T型加筋板材的相似CAI试验进行了比较，目前的结果显示出更高的CAI值。指出了这种不使用高压釜的熔接技术，并与实验相吻合地进行了预测初始屈曲应力的数值分析。

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