【摘 要】
：
本文研究了Nomex蜂窝夹芯结构在不同冲量下的变形模式和失效模式.实验采用子弹撞击的加载方式,对Nomex蜂窝夹芯梁施加大小不同的冲量,使用激光位移传感器测量每个试件后蒙皮
【机 构】
：
太原理工大学应用力学与生物医学工程研究所
论文部分内容阅读
本文研究了Nomex蜂窝夹芯结构在不同冲量下的变形模式和失效模式.实验采用子弹撞击的加载方式,对Nomex蜂窝夹芯梁施加大小不同的冲量,使用激光位移传感器测量每个试件后蒙皮的变形位移.分析了同芯层厚度,不同蒙皮厚度的Nomex蜂窝夹芯梁在不同冲量作用下抵抗变形的能力,以及冲量大小与蒙皮厚度对夹芯梁抵抗撞击能力的影响,计算分析了蒙皮与芯层的吸能性.实验结果表明:增加蒙皮的厚度能够改善夹芯梁在撞击荷载下抵抗变形的能力,在撞击过程中芯层吸收了50％左右的能量,且冲量越大,芯层吸收的能量越多.
其他文献
Background Anxiety and fear frequently causes an aversion to applying a face mask and increases difficulty during pediatric induction.There is at present little
Background The low-temperature resistance aging performance of Yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) is the key effective factor that influe
采用均匀设计法设计实验,以w(戊二醛)、m(PVA)∶m(SA)、w(CaCl2)和t(戊二醛与聚乙烯醇的反应时间)为考察因素,以含水率和拉断伸长率为考察指标,研究聚乙烯醇—海藻酸钙复合膜
We reported a case of multiple organ dysfunction syndrome (MODS) following about 300 wasp stings.The diagnosis was based on autopsy findings of acute pulmonary
Background Immunosuppressive regulatory T cells (Tregs) participate in tumor immune evasion and the number and suppressive function of Tregs change with the agi
Coexistence of chronic lymphocytic leukemia (CLL) and essential thrombocythemia (ET) in a patient is extremely rare,with only 10 cases reported thus far in lite
Background Roux-en-Y gastric bypass (GBP) is the main surgical procedure used in type 2 diabetes.The objective of this study was to evaluate the different types
Background The Dextroscope system by Volume Interactions (Singapore) had been applied to minimally invasive neurosurgery in many units.This system enables the n