PROBLEM TO BE SOLVED: To provide a composite material which has little or no additional weight compared with a standard composite material and which has an improved electrical conductivity without detriment to the mechanical performance of the material, and also to provide a method of manufacturing the composite material having improved electrical conductivity properties and a lightning strike tolerant composite material which is convenient to manufacture, use, and repair.SOLUTION: An interleaf composite material is curable to form a panel which causes no visible damage to an inner layer after a simulated lightening strike according to a Zone 1A test specified by SAE ARP5412, and comprising: i) at least two conductive layers comprising conductive fiber reinforced materials; and ii) layers which are located between the two layers and which comprise at least one polymeric resin, the layers being formed from a composite comprising the at least one polymeric resin and conductive particles, in which the content of the conductive particles in the composite is insufficient to provide electrical conductivity for the composite.
【課題】標準の複合材料と比較してほとんど又は全く重量増加のない、材料の機械的性能を低下させることなく導電性を改良した複合材料、さらに、改良された導電性を有する複合材料の製造方法、及び製造、使用及び修理に便利な耐落雷性の複合材料の提供。【解決手段】硬化によって、SAE ARP5412に規定するゾーン1A試験のシミュレートした落雷後に内層への可視損傷を生じないパネルを形成することができるインタリーフ複合材料であって、i)少なくとも2層の、導電性繊維強化材を含む導電性の層と、ii)前記2層の間に配置された少なくとも1種の高分子樹脂を含む層であって、該少なくとも1種の高分子樹脂及び導電性粒子を含む配合物から形成された層と、を含み、該配合物における該導電性粒子の含有量が該配合物に導電性を付与するには不十分な量である、上記インターリーフ複合材料。【選択図】なし
IMPROVED COMPOSITE MATERIALS
改良型複合材料
2015-09-24
Patent
Elektronische Ressource
Japanisch
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