Preparation and Characterisation of Composites from Industrial Waste: Wood Flour and Expanded Ethylene Vinyl Acetate

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

Mechanics of Composite Materials Pub Date : 2024-06-26 DOI:10.1007/s11029-024-10202-5

G. Trifeldaite-Baranauskiene, E. Stankute, A. Aniskevich, D. Zeleniakiene, K. Zukiene

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Abstract

The aim of the present study is to use beech wood flour (WF) and expanded ethylene vinyl acetate (EVA) copolymer industrial waste to develop a sustainable composite and its production method for further engineering use. Polyamide (PA) powder waste obtained after multiple selective laser sintering (SLS) thermal cycles was used to increase the strength and adhesion between the waste composite components. The morphological, mechanical, and thermal properties of the EVA/WF composites were characterised along with their interfacial wetting and water absorption properties. Optical and electron microscopy investigations revealed that the composites prepared have homogeneous dispersion and good interfacial adhesion between EVA and wood. The addition of SLS waste PA powder increases the strength and stiffness of the composite developed. The composite with 40 wt% WF exhibited the best water absorption, mechanical properties, and processability among the various compositions. The sustainable composite proposed can replace commercially available materials, which helps to save resources and reduce waste.

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利用工业废料制备复合材料并确定其特性：木粉和膨胀乙烯醋酸乙烯酯

本研究的目的是利用榉木粉（WF）和发泡乙烯-醋酸乙烯（EVA）共聚物工业废料，开发一种可持续复合材料及其生产方法，供进一步工程使用。经过多次选择性激光烧结（SLS）热循环后得到的聚酰胺（PA）粉末废料被用来增加废料复合材料成分之间的强度和粘合力。对 EVA/WF 复合材料的形态、机械和热性能及其界面润湿和吸水性能进行了表征。光学和电子显微镜研究表明，制备的复合材料具有均匀的分散性，EVA 和木材之间具有良好的界面粘附性。加入 SLS 废 PA 粉末后，所制备复合材料的强度和刚度都有所提高。在各种成分中，含 40 wt% WF 的复合材料具有最佳的吸水性、机械性能和可加工性。所提出的可持续复合材料可替代市售材料，有助于节约资源和减少浪费。

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

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.