Assessing dynamic compression of AA2024-T351 with split Hopkinson pressure bar simulation

IF 1.1 Q3 ENGINEERING, CIVIL
M. Gupta
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引用次数: 0

Abstract

The dynamic compressive behaviour of aluminium alloy AA2024-T351, which is commonly used for maritime and offshore structures, is important to understand. This is generally done using Taylor impact tests, projectile tests and split Hopkinson pressure bars. It can also be done less expensively using a finite-element simulation of a split Hopkinson pressure bar under different conditions. This paper numerically investigates the effects of striker velocity, striker shape and specimen shape on the dynamic compressive behaviour of AA2024-T351 using a simulated split Hopkinson pressure bar. The material behaviour was found to be sensitive to strain rates, striker shapes and specimen shapes under various situations.
用拆分Hopkinson压杆模拟评估AA2024-T351的动态压缩
AA2024-T351铝合金通常用于船舶和海上结构,了解其动态压缩性能非常重要。这通常是通过泰勒冲击试验、抛射试验和霍普金森压力杆来完成的。使用不同条件下的霍普金森压力杆的有限元模拟也可以更便宜地完成。采用模拟分离式霍普金森压杆,数值研究了冲击头速度、冲击头形状和试样形状对AA2024-T351动压特性的影响。在各种情况下,材料的行为对应变速率、冲击头形状和试样形状都很敏感。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.60
自引率
0.00%
发文量
8
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