Combined analysis of shock absorption capability and force dispersion effect of mouthguard materials with different impact objects
Combined analysis of shock absorption capability and force dispersion effect of mouthguard materials with different impact objects
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DOI：
10.4012/dmj.2014-061
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发表时间：
2014-08-01
影响因子：
2.5
通讯作者：
Ueno, Toshiaki
中科院分区：
文献类型：
--
作者：
Chowdhury, Ruman Uddin;Churei, Hiroshi;Ueno, Toshiaki
本研究的目的是使用称重传感器和薄膜传感器研究护齿套（MG）材料的减震能力和力分散效果。本研究选择了两种 MG 材料：乙烯醋酸乙烯酯和聚烯烃。当使用圆形平头杆和钝尖杆对 MG 材料施加约 5,000 N 的冲击力时，使用称重传感器测量峰值强度，同时使用薄膜传感器测量峰值应力和外加应力分布面积。使用称重传感器和薄膜传感器的联合分析清楚地显示了不同MG材料对不同冲击物体形状的减震性能和力分散效果。因此，结合使用这些传感器系统的冲击分析对于评估 MG 材料的减震能力和力分散效果是有用且可靠的。
The aims of the present study were to investigate the shock absorption capability and force dispersion effect of mouthguard (MG) materials using load cell and film sensors. Two kinds of MG materials, ethylene vinyl acetate and polyolefin, were chosen for this study. When impact forces of approximately 5,000 N were applied on the MG materials using a round flat-nosed rod and a bluntly pointed rod, peak intensities were measured using the load cell sensor while peak stresses and impressed stress distribution areas were measured using the film sensor. Combined analysis using both load cell and film sensors clearly showed the shock absorption properties and force dispersion effects of different MG materials with different impact object shapes. Therefore, impact analysis involving a combined use of these sensor systems was useful and reliable in assessing the shock absorption capability and force dispersion effect of MG materials.