凯夫拉

它的机身采用了雕刻的金刚玻璃（Gorillaglass，新型高强度耐刮擦玻璃译注），坚韧的凯夫拉纤维（Kevlar，高强度合成纤维译注）机壳以及防水涂层。

Its case uses sculpted gorilla glass , a tough Kevlar backing and a water-resistant coating .

世界市场上最常用的芳纶纤维是凯夫拉纤维。

The most popular aramid fiber on the world market is Kevlar .

凯夫拉纤维具有异乎寻常的高初始模量，其值为476克力；

It has an unusually high initial modulus of476 grams per denier .

凯夫拉纤维分布于面层时，混杂复合材料具有低模量、高阻尼的特点。

When Kevlar fiber works as surface layer , composites have lower bending properties and higher damping properties .

另一种方法是在含有粘弹性阻尼层的碳纤维复合材料中插入一定量的凯夫拉纤维铺层，可以显著提高复合材料的阻尼性能。

Other method is embeding Kevlar fiber layers into structural composites with interleaved viscoelastic damping layer . This method can improve damping properties efficiently .

碳纤维的密度很小，拉伸强度高，拥有很高的比强度，其抗拉性强于其他复合材料，是传统的玻璃纤维的抗拉性的三倍，是凯夫拉纤维的两倍。

Carbon fiber , with low density but high tensile strength , has high specific strength and high strength to resist tension , compared to other composite material .

这种材料被称为凯夫拉，广泛用于制造滑雪板、子午线轮胎和刹车垫、吊桥缆线、头盔、远足和野营装备。

This material was dubbed Kevlar , and it 's been used to manufacture skis , radial tires and brake pads , suspension bridge cables , helmets , and hiking and camping gear .

为防止出现传统运动鞋的日常磨损，设计师在运动鞋底部加入了一层凯夫拉纤维，‘鞋面的柔性彩色电子墨水显示屏通过用户步行的每一步，对运动鞋进行充电，也可以说是无线充电。’

The shoes ' soles will be coated with Kevlar Fibres , to resist the normal wear and tear of traditional sneakers and ' the flexible electronics in the shoes charge with every step you take - or wirelessly . '