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首页> 外文期刊>International journal of impact engineering >New diagnostic method for evaluating penetration strength of rubber sheet by measuring electromagnetic induction
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New diagnostic method for evaluating penetration strength of rubber sheet by measuring electromagnetic induction

机译：通过测量电磁感应评估橡胶板穿透强度的新诊断方法

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摘要

This paper presents a new diagnostic method for evaluating the penetration strength of a rubber sheet based on electromagnetic induction phenomena. This method was established on the basis of the experimental results of impact tests of specimens when small impactors collided with rubber sheets. The impactor behavior, impact force, and specimen deflection were analyzed based on the electromotive force generated in a coil near the specimens when the impactors containing a neodymium magnet collided with the specimens because the intensity of the electromotive force is proportional to the impactor velocity and because its variation is solely dependent on the position of the impactor. The validity of the analyzed impact force and specimen deflection was confirmed by considering the impactor behavior, which was observed using a high-speed camera, and the external work of the impactors evaluated from the analyzed results. The penetration strength of the rubber sheet was determined from the impact-force history and the impact force-specimen deformation curve based on the analyzed impactor behavior during the collision.
机译：本文提出了一种基于电磁感应现象评估橡胶板渗透强度的新诊断方法。该方法是基于小冲击器与橡胶板碰撞时样品的冲击试验的实验结果而建立的。根据包含钕磁铁的冲击器与样品碰撞时在样品附近的线圈中产生的电动势，来分析冲击器的行为，冲击力和样品变形，因为电动势的强度与冲击器速度成正比，并且其变化仅取决于冲击器的位置。通过考虑使用高速相机观察到的撞击器行为，并根据分析结果评估撞击器的外部工作，可以确定所分析的撞击力和试样挠度的有效性。根据冲击过程中的冲击力历史和冲击力-试样变形曲线，根据分析出的冲击器行为确定橡胶板的穿透强度。

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