分析了三维编织复合材料试件结构健康监测技术现状,结合三维编织复合材料编织工艺,提出了碳纳米管在三维编织复合材料试件健康监测方面的应用方法.结果说明碳纳米管应用于三维编织复合材料整体结构监测是可行的.碳纳米管传感器在三维编织复合材料试件结构健康监测中具有优异的应变传感特性,且嵌入的碳纳米管传感器对复合材料的力学性能影响不大.这为内置碳纳米管传感器应用于复合材料制件的健康检测提供了一种新的综合和分布式技术,为先进智能复合材料的研发与应用提供了依据.%Status of structural health monitoring technology for the three-dimensional braided composite specimens was analysised. According to three-dimensional braided composite braiding,health monitoring application method of three-dimensional braided composite specimens using carbon nanotubes were proposed. Test results show the way that carbon nanotubes used in the overall structure of three-dimensional braided composite monitoring is feasible. Carbon nanotubes sensor used in structural health monitoring of three-dimensional braided carbon composite specimen has excellent characteristics. The carbon nanotubes have embedded composites has little effect on the mechanical properties. A new integrated and distributed technologies for the built-in carbon nanotube sensor to detect the health of composite and the basis for the development of smart composite materials research and application are provided.
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