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申请号:201911023117.0 公开号:CN110856290A 主分类号:H05B3/34
摘要:【中文】本发明涉及航空除冰技术领域,其提出了一种防除冰用石墨烯复合膜、复合材料结构件和制备方法。其中,防除冰用石墨烯复合膜包括:绝缘导热层、石墨烯电加热膜层和绝缘隔热层。其中:石墨烯电加热膜层设置在绝缘导热层和绝缘隔热层之间;绝缘隔热层包括耐热橡胶、聚酰亚胺、芳纶、聚酯、聚乙烯、聚丙烯;石墨烯电加热膜层包括:石墨烯复合膜和电极。其中:石墨烯复合膜贴在石墨烯电加热膜层的表面;电极设置在石墨烯电加热膜层的两端;绝缘导热层是填充高导热陶瓷颗粒的耐热树脂。本发明实施例石墨烯复合膜能够与复合材料基体稳定结合,减小电加热对复合材料的热损伤,在不影响复合材料基体力学性能及飞机设计要求的条件下稳定实现防除冰功能。 【EN】The invention relates to the technical field of aviation deicing, and provides a graphene composite film for deicing, a composite material structural member and a preparation method. Wherein, prevent removing ice with graphite alkene complex film includes: insulating heat-conducting layer, graphite alkene electrical heating rete and insulating thermal-protective layer. Wherein: the graphene electric heating film layer is arranged between the insulating heat conduction layer and the insulating heat insulation layer; the insulating layer comprises heat-resistant rubber, polyimide, aramid fiber, polyester, polyethylene and polypropylene; graphite alkene electrical heating rete includes: graphene composite membranes and electrodes. Wherein: the graphene composite film is attached to the surface of the graphene electric heating film layer; the electrodes are arranged at two ends of the graphene electric heating film layer; the insulating heat conducting layer is heat-resistant resin filled with high heat conducting ceramic particles. The graphene composite film provided by the embodiment of the invention can be stably combined with a composite material matrix, so that the thermal damage of electric heating to the composite material is reduced, and the anti-icing and deicing functions are stably realized under the condition that the mechanical property of the composite material matrix and the design requirement of an airplane are not influenced.
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申请号:201911023933.1 公开号:CN110868768A 主分类号:H05B3/12
摘要:【中文】本发明公开一种防除冰用金属纤维增强石墨复合膜、制备方法和结构。其中,防除冰用金属纤维增强石墨复合膜是以石墨粉和金属纤维为主要原料,经过低能球磨、剪切分散、高能球磨等工艺处理后抽滤制成;金属纤维在复合膜中起增韧、提高电导率的作用,复合膜用作电加热膜具有导电率与热导率高、力学性能优异的优点,且制备成本低廉。采用金属纤维增强石墨复合膜与绝缘隔热膜、绝缘导热膜、电极、导线构成防除冰用电加热结构,可包覆、粘贴或缠绕在被加热物表面,尤其可以用于复合材料制件的防除冰。 【EN】The invention discloses a metal fiber reinforced graphite composite membrane for preventing and removing ice, a preparation method and a structure. The metal fiber reinforced graphite composite membrane for preventing and removing ice is prepared by taking graphite powder and metal fibers as main raw materials, carrying out low-energy ball milling, shearing dispersion, high-energy ball milling and other processes, and then carrying out suction filtration; the metal fiber plays a role in toughening and improving the electrical conductivity in the composite film, and the composite film has the advantages of high electrical conductivity and thermal conductivity, excellent mechanical property and low preparation cost when being used as an electrical heating film. The metal fiber reinforced graphite composite film, the insulating heat-insulating film, the insulating heat-conducting film, the electrode and the lead are adopted to form the electric heating structure for preventing and removing ice, and the electric heating structure can be coated, adhered or wound on the surface of an object to be heated, and particularly can be used for preventing and removing ice of a composite material workpiece.
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