自然老化后 GFRP/牛皮纸蜂窝板弯曲性能的实验和数值研究

Q3 Earth and Planetary Sciences

Aerospace Systems Pub Date : 2023-04-26 DOI:10.1007/s42401-023-00219-4

Z. Kong, N. S. Kalutskiy, H. Shan, Z. Yang

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引用次数: 0

摘要

对自然老化后的玻璃纤维增强聚合物 GFRP/牛皮纸蜂窝夹层板进行了三点弯曲试验，以探索复合蜂窝夹层板长期老化后的弯曲性能。记录了试样的破坏模式和最终破坏形态，并对试验的相关数据进行了统计分析。根据 Hashin 失效准则建立了一个有限元模型来研究纤维的失效过程。结果表明，弯曲性能明显提高，试验数据的离散性较小；试样的破坏形式与预期一致；有限元模型的破坏模式和结果与试验基本一致。

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Experimental and numerical study on the bending performance of GFRP/Kraft honeycomb panel after natural aging

Three-point bending tests on glass-fiber reinforced polymer GFRP/Kraft honeycomb sandwich panels after natural aging were undertaken to explore the bending performance of composite honeycomb sandwich panels after long-term aging. The specimens’ failure modes and ultimate damage patterns were recorded, and the pertinent data from the tests were statistically analyzed. A finite element model was developed to investigate the process of fiber failure based on the Hashin failure criterion. The results showed that the bending performance increased significantly, with a small dispersion of the test data; the specimen failure forms were consistent with expectations; the failure mode and result of FEM are in general agreement with the tests.

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来源期刊

Aerospace Systems Social Sciences-Social Sciences (miscellaneous)

CiteScore

1.80

自引率

0.00%

发文量

期刊介绍： Aerospace Systems provides an international, peer-reviewed forum which focuses on system-level research and development regarding aeronautics and astronautics. The journal emphasizes the unique role and increasing importance of informatics on aerospace. It fills a gap in current publishing coverage from outer space vehicles to atmospheric vehicles by highlighting interdisciplinary science, technology and engineering. Potential topics include, but are not limited to: Trans-space vehicle systems design and integration Air vehicle systems Space vehicle systems Near-space vehicle systems Aerospace robotics and unmanned system Communication, navigation and surveillance Aerodynamics and aircraft design Dynamics and control Aerospace propulsion Avionics system Opto-electronic system Air traffic management Earth observation Deep space exploration Bionic micro-aircraft/spacecraft Intelligent sensing and Information fusion