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<p>The biodegradable <i>Syzygium cumini</i> (JS) seed fillers-loaded high-density polyethylene (HDPE) composites were developed through the vertical injection molding process. The most prominent NH stretching, CH bending, OH stretching, C = C stretching, and C − H groups were found in the JS fillers and JS HDPE composites. The crystal size and orientations are studied through X-ray diffraction (XRD). The morphology of the composites was examined using FESEM, revealing the dispersion of fillers within the matrix. Thermal stability of the JS HDPE composites was carried out through thermogravimetric analysis (TGA) and differential scanning calorimeter (DSC) and found the melting point of the fillers and JS HDPE composite. The maximum tensile strength of 21&#xa0;MPa was found for 30% (by wt) JS/HDPE, maximum compressive strength of 24&#xa0;MPa for 50% (by wt) of JS/HDPE, the maximum flexural strength of 17&#xa0;MPa for 30% (by wt) of JS/HDPE, and 65 SHN Shore D Hardness was found for 50% (by wt) of JS HDPE than pure HDPE. Identification of the JS mechanical properties was carried out by numerical homogenization and inverse method through FEM. The newly developed JS HDPE composites would be used for low-strength structural applications.</p> Graphical abstract <p></p>

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Structural and mechanical characterization of Syzygium cumini seed fillers-loaded polyethylene by numerical homogenization and inverse method by finite element method

  • 期刊论文

  • 发表日期：

    2025年9月28日

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  • C. Balaji Ayyanar,
  • Sofiene Helaili,
  • Itishree Jogamaya Das,
  • Md Enamul Hoque

摘要

The biodegradable Syzygium cumini (JS) seed fillers-loaded high-density polyethylene (HDPE) composites were developed through the vertical injection molding process. The most prominent NH stretching, CH bending, OH stretching, C = C stretching, and C − H groups were found in the JS fillers and JS HDPE composites. The crystal size and orientations are studied through X-ray diffraction (XRD). The morphology of the composites was examined using FESEM, revealing the dispersion of fillers within the matrix. Thermal stability of the JS HDPE composites was carried out through thermogravimetric analysis (TGA) and differential scanning calorimeter (DSC) and found the melting point of the fillers and JS HDPE composite. The maximum tensile strength of 21 MPa was found for 30% (by wt) JS/HDPE, maximum compressive strength of 24 MPa for 50% (by wt) of JS/HDPE, the maximum flexural strength of 17 MPa for 30% (by wt) of JS/HDPE, and 65 SHN Shore D Hardness was found for 50% (by wt) of JS HDPE than pure HDPE. Identification of the JS mechanical properties was carried out by numerical homogenization and inverse method through FEM. The newly developed JS HDPE composites would be used for low-strength structural applications.

Graphical abstract