Experimental Investigation on the Static and Dynamic Behavior of Passive Controlled Bio Composite Manufactured Via 3D Printing Technique

IF 1.5 4区材料科学 Q4 MATERIALS SCIENCE, COMPOSITES

Mechanics of Composite Materials Pub Date : 2024-06-24 DOI:10.1007/s11029-024-10205-2

F. Meddeb, A. El Mahi, J. L. Rebiere, H. Daoud, M. A. Ben Souf, M. Haddar

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Abstract

Bio-based composites with passive control layers were investigated by means of a comprehensive set of experiments. The structure, composed of an exterior layer of PLA/Flax and an inserted rubber layer, were manufactured using 3D printing technology. Tensile tests on PLA/Flax and rubber specimens revealed that it exhibited higher stiffness, whereas rubber demonstrated superior elongation. Additionally, three-point bending tests were conducted on 3D-printed composites with varying viscoelastic layer thicknesses (VL) to assess their bending performance. However, the composite with a single 1-mm thick viscoelastic layer (V₁t₁) showed optimal deflection and stiffness compared to counterparts with different viscoelastic layers. Furthermore, resonance vibration experiments were performed to investigate dynamic parameters such as frequencies and modal loss factors. Based on the experiments, it was determined that V₁t₁ was the composite that offered the optimal compromise between mechanical and vibration behavior due to its excellent damping characteristics.

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通过三维打印技术制造的被动受控生物复合材料的静态和动态行为实验研究

通过一系列综合实验对带有被动控制层的生物基复合材料进行了研究。该结构由聚乳酸/亚麻外层和插入的橡胶层组成，采用三维打印技术制造。对聚乳酸/亚麻和橡胶试样进行的拉伸测试表明，聚乳酸/亚麻表现出更高的刚度，而橡胶则表现出更高的伸长率。此外，还对具有不同粘弹性层厚度（VL）的三维打印复合材料进行了三点弯曲测试，以评估其弯曲性能。然而，与具有不同粘弹性层的复合材料相比，具有 1 毫米厚粘弹性层（V1t1）的复合材料显示出最佳的挠度和刚度。此外，还进行了共振振动实验，以研究频率和模态损失因子等动态参数。根据实验结果，可以确定 V1t1 是一种复合材料，由于其出色的阻尼特性，它在机械和振动行为之间提供了最佳的折衷方案。

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来源期刊

Mechanics of Composite Materials 工程技术-材料科学：复合

CiteScore

2.90

自引率

17.60%

发文量

审稿时长

12 months

期刊介绍： Mechanics of Composite Materials is a peer-reviewed international journal that encourages publication of original experimental and theoretical research on the mechanical properties of composite materials and their constituents including, but not limited to: damage, failure, fatigue, and long-term strength; methods of optimum design of materials and structures; prediction of long-term properties and aging problems; nondestructive testing; mechanical aspects of technology; mechanics of nanocomposites; mechanics of biocomposites; composites in aerospace and wind-power engineering; composites in civil engineering and infrastructure and other composites applications.