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Evaluation of mechanical properties and Fick’s diffusion behaviour of aluminum-DMEM reinforced with hemp/bamboo/basalt woven fiber metal laminates (WFML) under different stacking sequences
Ain Shams Engineering Journal ( IF 6 ) Pub Date : 2024-03-16 , DOI: 10.1016/j.asej.2024.102759
R.G. Padmanabhan , S. Rajesh , S. Karthikeyan , Sivasubramanian Palanisamy , R.A. Ilyas , Nadir Ayrilmis , ElSayed M. Tag-eldin , Mohamed Kchaou

This work examines the mechanical properties and structural aspects of Al-Hybrid fibre metal laminates (HFMLs) reinforced with fibres from basalt, hemp, and bamboo, including commercial-grade Al6061 alloy mesh (Al-DMEM). Compression moulding of sustainable fibres into various stacking configurations, such as BAlB, BHAlHB, and BBbAlBbB, was required for fabrication. Using cutting-edge methods like SEM and EDX for microstructure investigation, extensive testing was carried out, including tensile, flexural, impact, interlaminar shear, hardness, and water absorption tests. Basalt/Bamboo/Aluminum/Basalt (BBbAlBbB) was the FML configuration with the best mechanical parameters, showing Vickers hardness (24.23 MPa), tensile strength (44.537 MPa), flexural strength (218.24 MPa), and impact resistance (2.01 J) (59.982 HV). In addition, BAlB showed 83.9 % Vickers hardness, 41.7 % flexural strength, and 90.4 % tensile strength of BBbAlBbB samples. BHAlHB displayed 92.9 % of the flexural strength, 65.3 % of the tensile strength, and 93.7 % of the Vickers hardness of BBbAlBbB. Bamboo is hydrophobic by nature, so adding bamboo fibres to BBbAlBbB significantly boosted its resistance to moisture. This study highlights the potential of hybrid FMLs as high-performance, eco friendly materials that are particularly well-suited for applications in interior and exterior panels for micro-mobility (E-vehicles), with AL-DMEM reinforcement offering significant benefits like improved fibre bonding and structural integrity.

中文翻译:

不同堆叠顺序下麻/竹/玄武岩编织纤维金属层压板(WFML)增强铝-DMEM的力学性能和Fick扩散行为评价

这项工作研究了用玄武岩、大麻和竹子纤维增强的铝混合纤维金属层压板 (HFML) 的机械性能和结构方面,包括商业级 Al6061 合金网 (Al-DMEM)。制造过程中需要将可持续纤维压缩成型为各种堆叠结构,例如 BAlB、BHAlHB 和 BBbAlBbB。使用 SEM 和 EDX 等尖端方法进行微观结构研究,并进行了广泛的测试,包括拉伸、弯曲、冲击、层间剪切、硬度和吸水性测试。玄武岩/竹/铝/玄武岩(BBbAlBbB)是具有最佳力学参数的FML配置,显示出维氏硬度(24.23 MPa)、拉伸强度(44.537 MPa)、弯曲强度(218.24 MPa)和抗冲击性(2.01 J)( 59.982 高压)。此外,BAlB 的维氏硬度为 BBbAlBbB 样品的 83.9%,弯曲强度为 41.7%,拉伸强度为 90.4%。 BHAlHB 的弯曲强度为 BBbAlBbB 的 92.9%,拉伸强度为 65.3%,维氏硬度为 BBbAlBbB 的 93.7%。竹子本质上是疏水性的,因此在 BBbAlBbB 中添加竹纤维可显着提高其防潮性。这项研究强调了混合 FML 作为高性能、环保材料的潜力,特别适合微移动(电动汽车)的内部和外部面板应用,而 AL-DMEM 增强材料可提供改进纤维等显着优势粘合和结构完整性。
更新日期:2024-03-16
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