Tensile, flexural and free vibration characteristics of sustainable recycled polypropylene filled with spherical SiC through experimental and RVE analysis

International Journal of Structural Integrity Pub Date : 2024-05-02 DOI:10.1108/ijsi-01-2024-0014

Santosh Kumar Sahu, P. S. R. Sreekanth, Y.P. Deepthi, Quanjin Ma, Tunji John Erinle

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Abstract

PurposeThis study aims to investigate the mechanical properties of sustainable recycled polypropylene (rPP) composite materials integrated with spherical silicon carbide (SiC) particles.Design/methodology/approachA representative volume element (RVE) analysis is employed to predict the Young’s modulus of rPP filled with spherical-shaped SiC at varying volume percentages (i.e. 10, 20 and 30%).FindingsThe investigation reveals that the highest values of Young’s modulus, tensile strength, flexural strength and mode 1 frequency are observed for the 30% rPP/SiC samples, exhibiting increases of 115, 116, 62 and 15%, respectively, compared to pure rPP. Fractography analysis confirms the ductile nature of pure rPP and the brittle behavior of the 30% rPP/SiC composite. Moreover, the RVE method predicts Young’s modulus more accurate than micromechanical models, aligning closely with experimental results. Additionally, results from ANSYS simulation tests show tensile strength, flexural strength and frequency within a 10% error range when compared to experimental data.Originality/valueThis study contributes to the field by demonstrating the mechanical enhancements achievable through the incorporation of sustainable materials like rPP/SiC, thereby promoting environmentally friendly engineering solutions.

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通过实验和 RVE 分析球形碳化硅填充可持续再生聚丙烯的拉伸、弯曲和自由振动特性

目的本研究旨在调查含有球形碳化硅 (SiC) 颗粒的可持续再生聚丙烯 (rPP) 复合材料的机械性能。设计/方法/途径采用代表性体积元素 (RVE) 分析法预测含有不同体积百分比（即 10%、20% 和 30%）球形碳化硅的 rPP 的杨氏模量。研究结果研究结果表明，30% 的 rPP/SiC 样品的杨氏模量、拉伸强度、弯曲强度和模式 1 频率值最高，与纯 rPP 相比，分别增加了 115、116、62 和 15%。碎裂分析证实了纯 rPP 的韧性和 30% rPP/SiC 复合材料的脆性。此外，RVE 方法预测的杨氏模量比微机械模型更准确，与实验结果非常吻合。此外，ANSYS 模拟测试的结果表明，与实验数据相比，拉伸强度、弯曲强度和频率的误差在 10% 范围内。

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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International Journal of Structural Integrity

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