Experimental Analysis of the Static and Dynamic Behavior of 3D Printed Bio-Based Conventional and Auxetic Architectural Materials

被引：7

作者：

Hamrouni, Anis ^{[1
,2
]}

Rebiere, Jean-Luc ^{[1
]}

El Mahi, Abderrahim ^{[1
]}

Beyaoui, Moez ^{[2
]}

Haddar, Mohamed ^{[2
]}

机构：

[1] Le Mans Univ, Acoust Lab, LAUM, CNRS,UMR 6613, Ave O Messiaen, F-72085 Le Mans 9, France

[2] Natl Engn Sch Sfax, Dept Mech Engn, Lab Mech Modelling & Prod, Route Soukra, Sfax 3038, Tunisia

来源：

INTERNATIONAL JOURNAL OF APPLIED MECHANICS | 2022年 / 14卷 / 10期

关键词：

Damping; tensile; bio-based; composite; 3D printing; flax; PLA; auxetic; conventional; COMPOSITES; FIBER; FLAX; HONEYCOMBS;

D O I：

10.1142/S1758825122500259

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper presents the results of experimental analyses of the static and dynamic behavior of bio-sourced conventional and auxetic architectural materials. Three different configurations were studied. The specimens were made with the technology of additive manufacturing (3D printing) and were made of the same material which is polylactic acid reinforced with flax fibers (PFF). Several tensile tests were performed on four relative densities for each configuration of the composite to understand their influence on the static behavior of the material. Taking into account the insufficiency of the static tests to correctly predict the behavior of the composite, vibration tests were carried out on the same densities and composite configurations. The focus will be mainly on the study of the influence of the 2D lattice structures for each density on the evolution of the dynamic stiffness and damping properties.

引用

页数：22

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