On the ballistic perforation resistance of a sandwich structure with aluminium skins and aluminium foam core

被引：2
|
作者：
Brekken, Kristoffer A. [1 ]
Bakk, Maria S. [1 ]
Dey, Sumita [2 ]
Berstad, Torodd [1 ]
Reyes, Aase [3 ]
Borvik, Tore [1 ,2 ]
机构：
[1] NTNU Norwegian Univ Sci & Technol, Dept Struct Engn, Struct Impact Lab SIMLab, Trondheim, Norway
[2] Norwegian Def Estates Agcy, Res & Dev Dept, Oslo, Norway
[3] Oslo Metropolitan Univ, Dept Built Environm, Oslo, Norway
来源：
MATERIALS LETTERS | 2023年 / 351卷
关键词：
Sandwich structure; Aluminium foam; Material tests; Impact tests; Numerical simulations; PLATES;
D O I：
10.1016/j.matlet.2023.135083
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Sandwich structures have proven to be excellent energy absorbents and are found in various protective solutions. In this study, an inhomogeneous aluminium foam was used as core material in a sandwich panel with skins of thin aluminium plates. Ballistic impact tests were conducted in a gas gun using spherical projectiles to reveal the ballistic response of the sandwich panel, and the results were compared with data from impact tests on the core material only. Numerical models, calibrated based on material tests and X-ray Micro Computed Tomography (XRMCT) data, of the ballistic impact tests were established in a non-linear finite element solver. The numerical model was found able to reproduce the complex response of the sandwich panel.
引用
收藏
页数：3
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