Effects of Fe2O3 nanoparticle on quality of medium-density polyethylene friction stir weld joint

IF 4.4 3区工程技术 Q1 ENGINEERING, CIVIL

Archives of Civil and Mechanical Engineering Pub Date : 2024-09-06 DOI:10.1007/s43452-024-01039-9

Hamed Aghajani Derazkola, Andrzej Kubit

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Abstract

This study presents a comprehensive investigation into the effects of incorporating Fe₂O₃ nanoparticles in medium-density polyethylene (MDPE) during friction stir welding (FSW). It systematically explores the metallurgical and mechanical characteristics through quantitative analyses. FSW with Fe₂O₃ nanoparticles (n-FSW) mitigates thermo-mechanical changes in the upper joint area, enhancing the overall structural and mechanical properties of the welded joint. Examination of the stir zone indicates a slightly larger area in n-FSW, highlighting the influence of nanoparticle reinforcement. The ultimate tensile strength (UTS) of the n-FSW sample improved to 27 MPa, which is 34% higher than the 21 MPa of the FSW sample. Additionally, the formation of microscale voids in the stir zone of n-FSW was reduced by 60% compared to the FSW sample. The impact energy of the n-FSW sample was 4 J/cm² more than that of the FSW sample. Fracture surface analysis reveals nanoparticle contributions to fracture mechanics, while impact properties suggest potential air bubble entrapment.

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纳米 Fe2O3 粒子对中密度聚乙烯搅拌摩擦焊缝质量的影响

本研究全面探讨了在搅拌摩擦焊接（FSW）过程中将铁₂O₃纳米颗粒加入中密度聚乙烯（MDPE）中的效果。该研究通过定量分析系统地探讨了其冶金和机械特性。使用纳米铁₂O₃颗粒（n-FSW）的 FSW 可减轻上接头区域的热机械变化，提高焊接接头的整体结构和机械性能。对搅拌区的检查表明，n-FSW 的面积稍大，突出了纳米粒子加固的影响。n-FSW 样品的极限拉伸强度 (UTS) 提高到 27 兆帕，比 FSW 样品的 21 兆帕高 34%。此外，与 FSW 样品相比，n-FSW 搅拌区微小空隙的形成减少了 60%。n-FSW 样品的冲击能量比 FSW 样品高出 4 J/cm2。断裂表面分析表明了纳米颗粒对断裂力学的贡献，而冲击特性则表明了潜在的气泡夹杂。

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来源期刊

Archives of Civil and Mechanical Engineering 工程技术-材料科学：综合

CiteScore

6.80

自引率

9.10%

发文量

201

审稿时长

4 months

期刊介绍： Archives of Civil and Mechanical Engineering (ACME) publishes both theoretical and experimental original research articles which explore or exploit new ideas and techniques in three main areas: structural engineering, mechanics of materials and materials science. The aim of the journal is to advance science related to structural engineering focusing on structures, machines and mechanical systems. The journal also promotes advancement in the area of mechanics of materials, by publishing most recent findings in elasticity, plasticity, rheology, fatigue and fracture mechanics. The third area the journal is concentrating on is materials science, with emphasis on metals, composites, etc., their structures and properties as well as methods of evaluation. In addition to research papers, the Editorial Board welcomes state-of-the-art reviews on specialized topics. All such articles have to be sent to the Editor-in-Chief before submission for pre-submission review process. Only articles approved by the Editor-in-Chief in pre-submission process can be submitted to the journal for further processing. Approval in pre-submission stage doesn''t guarantee acceptance for publication as all papers are subject to a regular referee procedure.