美国一家公司最近开发成功一种镀镍石墨纤维,用它制得的复合材料结构能抗雷击。美国新近公布的军用规范对用作复合材料增强材料的纱线和织物的抗雷击性能提出了要求。这 A company in the United States recently developed a nickel-plated graphite fiber that can withstand lightning strikes using its composite structure. Newly published military specifications in the United States place requirements on the lightning resistance of yarns and fabrics used as reinforcements for composite materials. This