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首页> 外文会议>88th Textile Institute world conference 2012 : Bridging innovation, research and enterprise >IMPACT RESISTANT MATERIALS AND DESIGN PRINCIPLES FOR SPORTSWEAR
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IMPACT RESISTANT MATERIALS AND DESIGN PRINCIPLES FOR SPORTSWEAR

机译：运动服的抗冲击材料和设计原则

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摘要

Recently there had been a widespread use of high performance materials in sports wear with enhanced functionality. In sportswear, protection against impact is featured in products for skiwear, snowboarding, rugby, football, basketball, cycling, running shoes, and many others. There is a dearth of technical information about the range of materials being used and quantifiable measures of their effectiveness are rarely disseminated.An experimental set up is discussed with the scope of obtaining reliable and valid data relating to materials and commercial products. Two experimental methods have been used to gain understanding of material properties: an impact attenuation test (which captures peak forces over time) and Tekscan® pressure sensors (which capture the areal dispersal of impact forces). Alongside these dynamic tests are measures of thickness, flexural rigidity and bulk density. It was found that thicker materials (10 mm) were effective in protecting against 5J impacts. However bulky inserts resrticted free movement, which was a concern in designing garments. The outcomes from pressure sensors enabled to precisely measure and monitor profile of impact force applied on to the substrate.Based on this work, three parameters identified which would determine the characteristics of materials, the energy absorption properties, the ability of materials to extend the duration of an impact and the ability of materials to broaden the area affected by an impact. Using the above parameters the research is able to design smart protective garments which will have materials to prevent impact injury by absorbing the impact, delaying the point impact force and distributing it across a wider area.
机译：近来，高性能材料在运动服装中得到了广泛使用，并具有增强的功能。在运动服中，滑雪服，滑雪板，橄榄球，足球，篮球，自行车，跑步鞋和许多其他产品具有防撞击保护功能。缺乏有关所用材料范围的技术信息，很少传播其有效性的量化指标。讨论了一个实验装置，其范围是获得与材料和商业产品有关的可靠和有效数据。已经使用了两种实验方法来了解材料特性：冲击衰减测试（捕获随时间变化的峰值力）和Tekscan®压力传感器（捕获冲击力的面分布）。除了这些动态测试之外，还可以测量厚度，抗弯刚度和堆积密度。结果发现，较厚的材料（10毫米）可有效防止5J冲击。但是，笨重的插入物会限制自由移动，这是设计服装时要考虑的问题。压力传感器的输出结果可以精确地测量和监控施加到基材上的冲击力的分布。基于这项工作，确定了三个参数，这些参数将决定材料的特性，能量吸收特性，材料延长使用寿命的能力影响以及材料扩大受影响范围的能力。利用以上参数，该研究能够设计出一种智能防护服，该防护服将具有通过吸收冲击，延迟点冲击力并将其分布在更大范围内来防止冲击伤害的材料。

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