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Outline
Fiber reinforced polymer （FRP） composites offer advantages such as lightweight construction， high specific strength， fatigue resistance， and corrosion resistance， making them widely applicable in aerospace， rail transit， and other sectors. However， internal damage that occurs during service is often concealed， posing potential safety risks. The advent of intelligent composite materials presents a promising approach for integrated structural health monitoring while enhancing mechanical properties. This paper introduces the preparation methods for carbon nanotube （CNT） reinforced FRP composites. Building on this foundation， the current state of research regarding CNT applications for structural health monitoring of composite materials is reviewed. This research can be categorized into two main areas： health monitoring using embedded carbon nanotube sensors in basic mechanical specimens and engineering components， and the self-monitoring technology of composite materials. The self-monitoring technology is further divided into two methods： resin matrix modification and fiber grafting. Finally， the challenges of CNT-modified FRP composites in industrial applications and sensor monitoring stability in multi-field coupling environments are reviewed， and the development direction of ‘structure-function’ integration of reinforcement system and health monitoring technology is prospected， so as to promote the key step of intelligent composite materials to industrial scale production.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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