Gopalan Venkatachalam, Vardhan Mugatha Surya, Thakur Vishal, Krishnamoorthy Annamalai, Pragasam Vignesh, Degalahal Mallikarjuna Reddy, Velu Pitchumani Shenbaga, Raja Annamalai A, Jen Chun-Ping
Centre for Innovation and Product Development, Vellore Institute of Technology, Chennai 600127, India.
School of Mechanical Engineering, Vellore Institute of Technology, Chennai 600127, India.
Materials (Basel). 2023 Jan 17;16(3):894. doi: 10.3390/ma16030894.
Scientists are drawn to the new green composites because they may demonstrate qualities that are comparable to those of composites made of synthetic fibers due to concerns about environmental contamination. In this work, the potential for using the produced green composite in different buckling load-bearing structural applications is explored. The work on composite buckling characteristics is vital because one needs to know the composite's structural stability since buckling leads to structural instability. The buckling properties of composite specimens with epoxy as the matrix and chemically treated cellulose microfibrils as reinforcements are examined numerically in this study when exposed to axial compressive stress. The numerical model is first created based on the finite element method model. Its validity is checked using ANSYS software by contrasting the critical buckling loads determined through research for three samples. The numerical findings acquired using the finite element method are then contrasted with those produced using the regression equation derived from the ANOVA. The utilization of the created green composite in different buckling load-bearing structural applications is investigated in this study. As a result of the green composite's unaltered buckling properties compared to synthetic composites, it has the potential to replace numerous synthetic composites, improving environmental sustainability.
由于对环境污染的担忧，科学家们被新型绿色复合材料所吸引，因为它们可能展现出与合成纤维制成的复合材料相当的性能。在这项工作中，探索了将所制备的绿色复合材料用于不同屈曲承载结构应用的潜力。关于复合材料屈曲特性的研究至关重要，因为由于屈曲会导致结构不稳定，所以需要了解复合材料的结构稳定性。在本研究中，对以环氧树脂为基体、化学处理的纤维素微纤丝为增强材料的复合材料试样在承受轴向压缩应力时的屈曲性能进行了数值研究。首先基于有限元方法模型创建数值模型。通过使用ANSYS软件，将通过对三个样品的研究确定的临界屈曲载荷进行对比，来检验其有效性。然后将使用有限元方法获得的数值结果与使用从方差分析得出的回归方程产生的结果进行对比。本研究考察了所制备的绿色复合材料在不同屈曲承载结构应用中的使用情况。由于绿色复合材料与合成复合材料相比屈曲性能未变，它有潜力替代许多合成复合材料，提高环境可持续性。
