Energy absorption in expanding metallic wire mesh tubes

被引：0
|
作者：
Zhou, Wangfan [1 ]
Karagiozova, Dora [3 ]
Ren, Xudong [1 ]
Lu, Guoxing [2 ]
机构：
[1] Jiangsu Univ, Sch Mech Engn, Zhenjiang 212013, Peoples R China
[2] Swinburne Univ Technol, Sch Engn, Hawthorn, Vic 3122, Australia
[3] Bulgarian Acad Sci, Inst Mech, Acad G Bonchev St,Block 4, Sofia 1113, Bulgaria
来源：
THIN-WALLED STRUCTURES | 2024年 / 200卷
基金：
中国国家自然科学基金;
关键词：
Thin-walled structure; Expanded metal mesh; Energy absorption; Radial expansion; DEFORMATION;
D O I：
10.1016/j.tws.2024.111981
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The deformation process and energy absorption of metal wire mesh tubes under quasi-static expanding by a hemispherical-cylindrical indenter were investigated by experimental tests, finite element (FE) simulations and analytical modelling. Stainless steel and aluminum alloy tubes were tested on an MTS universal testing machine at a speed of 10 mm/min. The effects of mesh cell size and friction coefficient on the quasi-static force and specific energy absorption (SEA) were examined by FE analysis and analytical modelling. The analysis reveals that a combination of the mesh cell size and cross section dimension of the wire governs the energy absorption of tubes of equal overall dimension (diameter and length) and masses. In general, a decrease of the size of cells with constant height-to-width ratios leads to an increase of the specific energy absorption mainly due to the increased number of cells within the deformed region. An increase of the specific energy absorption is also achieved when the cell size is reduced by only decreasing the cell height. The maximum indenter force predicted by the proposed analytical model of the expanded tube deformation agrees well with the experimental results and FE simulations.
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页数：11
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