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Modelling of The Ship Structural Ballistic Shields From 10GHMBA Steel

机译：10GHMBA钢制船舶结构弹道护盾的建模

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The contemporary protective structures are now critical elements of the floating units, military, public and other objects. Their task is to weaken the effects of a terrorist action against selected areas with the use of explosives or projectiles. The knowledge of material behavior at high strain rates is essential for designing the ballistic shields. The hull external shells of the Polish Navy ships now in service do not meet the requirements of ballistic anti-terrorist shields against small arms shooting or the rocket and shell splinters. This is a significant problem in the case of defending a ship against terrorist attack threats. Therefore, there is a tendency for building internal and external ballistic shields in the ship hull structure to protect the critical compartments and action stations. The paper presents investigations of materials subjected to high strain rates, with 10GHMBA E-620 bainitic steel as an example. The experiments were carried out on the MTS 810.12 testing machine, rotary impact testing hammer, the Taylor test stand and on the ballistic pendulum. In the final part of the paper, some numerical simulations are presented allowing analyses of the fast-changing processes arising during loading the structure by an impact of high velocity bodies.
机译：现在，当代的防护结构已成为浮动部队，军事，公共和其他物体的重要组成部分。他们的任务是通过使用炸药或弹丸来减弱针对特定地区的恐怖行动的影响。高应变速率下的材料行为知识对于设计防弹罩至关重要。目前服役的波兰海军舰船的外壳不符合弹道反恐盾牌对小武器射击或火箭弹和炮弹碎片的要求。在保护船舶免受恐怖袭击威胁的情况下，这是一个重大问题。因此，存在在船体结构中建立内部和外部弹道防护罩以保护关键的舱室和行动站的趋势。本文以10GHMBA E-620贝氏体钢为例，对承受高应变速率的材料进行了研究。实验是在MTS 810.12试验机，旋转冲击试验锤，泰勒试验台和弹道上进行的。在本文的最后部分，提出了一些数值模拟，可以分析由于高速物体的撞击而在结构加载过程中出现的快速变化过程。

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