Influencing the optimum AWJM key factors on drilling quality of biochar-interlaced glass fibre-reinforced epoxy composites: Multi-response optimisation approach

KG Saravanan, S Gokulraj, M Rajesh, S Ram Prakash
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Abstract

In recent years, the inclusion of biochar fillers in the polymer matrix has been used to enhance the mechanical, dielectric and dynamic properties of the composite. High-performance structural components are often made using polymer composites. This work focuses on the development of glass fibre interleaved almond biochar filler (ABC-5, 10 and 15%) reinforced polymer composites through a hand layup process. The machinability of the composite was then investigated in abrasive water jet machining by considering the biochar filler quantity, water pressure (WP), traverse speed (TS) and standoff distance (SOD). The kerf angle (KA) and surface roughness (SR) were used to assess the machining performance. The addition of a biochar filler in the composite increases the SR and KA quality. The machining performance of the biochar-filled composite is better when there is an increase in water pressure and a decrease in SOD and TS. Analysis of Variance (ANOVA) reveals that the ABC% significantly influence the SR and KA trialed by JP. The combination of WP 200 MPa with ABC10% composite laminate results in decreased values of KA (1.09o) and SR (2.754 µm). The ideal parameters for achieving lower SR and KA are TS of 20 mm/min, 3 mm of SOD, 200 bar of WP and 10% biochar composite in combination. Moreover, scanning electron microscopic (SEM) images ensure the smoothness of the surface texture at high water pressure (WP) with 10% almond biochar composite laminate, cutting and finishing are smooth. The biochar fillers reinforced in hybrid composites exhibited good surface quality, free of pullouts and fibre delamination.
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影响生物炭夹层玻璃纤维增强环氧树脂复合材料钻孔质量的最佳 AWJM 关键因素:多响应优化方法
近年来,在聚合物基体中加入生物炭填料已被用于提高复合材料的机械、介电和动态性能。高性能结构组件通常采用聚合物复合材料制造。这项工作的重点是通过手糊工艺开发玻璃纤维交错杏仁生物炭填料(ABC-5,10% 和 15%)增强聚合物复合材料。然后,通过考虑生物炭填料的数量、水压 (WP)、横移速度 (TS) 和间距 (SOD),研究了复合材料在加砂水射流加工中的可加工性。切口角 (KA) 和表面粗糙度 (SR) 用于评估加工性能。在复合材料中添加生物炭填料可提高 SR 和 KA 质量。当水压增加、SOD 和 TS 下降时,生物炭填充复合材料的加工性能更好。方差分析(ANOVA)表明,ABC% 对 JP 试验的 SR 和 KA 有显著影响。WP 200 MPa 与 ABC10% 复合层压板的组合导致 KA 值(1.09o)和 SR 值(2.754 µm)降低。达到较低 SR 和 KA 值的理想参数是 20 毫米/分钟的 TS、3 毫米的 SOD、200 巴的 WP 和 10%的生物炭复合材料。此外,扫描电子显微镜(SEM)图像确保了 10%杏仁生物炭复合材料层压板在高水压(WP)下表面纹理的平滑性,切削和抛光都很顺畅。在混合复合材料中增强的生物炭填料显示出良好的表面质量,没有拉丝和纤维分层现象。
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来源期刊
CiteScore
3.80
自引率
16.70%
发文量
370
审稿时长
6 months
期刊介绍: The Journal of Process Mechanical Engineering publishes high-quality, peer-reviewed papers covering a broad area of mechanical engineering activities associated with the design and operation of process equipment.
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