| 整体中空夹层复合材料低速冲击损伤及剩余强度实验研究 |
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| 引用本文： | 周光明,朱波. 整体中空夹层复合材料低速冲击损伤及剩余强度实验研究[J]. 材料工程, 2009, 0(Z2) |
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| 作者姓名： | 周光明 朱波 |
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| 作者单位： | 南京航空航天大学航空宇航学院; |
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| 基金项目： | 国家自然科学基金资助项目(10772079); 江苏省自然科学基金重大资助项目(BK2006724) |
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| 摘 要： | 简要论述了整体中空夹层复合材料低速冲击及冲击后剩余强度的研究情况,选取了三种不同规格的试件进行了不同能量下的低速冲击试验和冲击后的拉伸,压缩强度试验,得到不同能量下材料的损伤情况和强度变化曲线。实验结果与国外相关文献进行了对比,与文献结果具有一致的变化规律,对整体中空夹层复合材料的运用及推广有一定得参考意义。
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| 关 键 词： | 整体中空 夹层复合材料 低速冲击损伤 剩余强度 |
Experimental Investigation on Low-velocity Impact and Strength-after-impact of Hollow Integrated Sandwich Composites |
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| ZHOU Guang-ming,ZHU Bo. Experimental Investigation on Low-velocity Impact and Strength-after-impact of Hollow Integrated Sandwich Composites[J]. Journal of Materials Engineering, 2009, 0(Z2) |
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| Authors: | ZHOU Guang-ming ZHU Bo |
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| Affiliation: | ZHOU Guang-ming,ZHU Bo(College of Aerospace Engineering,Nanjing University of Aeronautics & Astronautics,Nanjing 210016,China) |
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| Abstract: | The article briefly discusses the research of low-velocity impact characterization and strength-after-impact of hollow integrated sandwich composites.Rectangle samples of 200mm and 140mm were subjected to low-velocity impact loading using an instrumented impact testing machine at 3 energy levels of 4,6 and 8 J.Three samples were tested at each energy level.Three different specifications of selected pieces of the test carried out tensile strength,compressive strength test.The experimental results were consis... |
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| Keywords: | integrated hollow sandwich composite low-velocity impact damage residual strength |
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