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<p>This study presents a comprehensive investigation into the wear characteristics of Acrylonitrile–Butadiene–Styrene (ABS) and its composites reinforced with Wollastonite (CaSiO₃). Composites were fabricated by incorporating 3, 5, and 7 wt% Wollastonite into the ABS matrix using a twin-screw extrusion process, followed by injection moulding to obtain test specimens. Wear behaviour was evaluated using a pin-on-disk tribometer in accordance with ASTM G99 standards. The effects of three key parameters, filler content (3%, 5%, and 7%), applied load (1, 3, and 5&#xa0;kg), and sliding velocity (5, 7.5, and 10&#xa0;m/s) were systematically examined. Scanning Electron Microscopy (SEM) was employed to examine the worn surface morphology and identify the wear mechanisms. The findings reveal that the incorporation of Wollastonite significantly enhances the wear resistance of ABS, as reflected by a decrease in the wear coefficient with increasing filler content. Moreover, variations in load and sliding speed were found to influence the frictional response and heat generation during sliding, thereby affecting the overall tribological performance. The outcomes of this work provide useful insights for designing wear-resistant polymer composites suitable for engineering applications.</p>

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Study on the Wear Characteristics of ABS Matrix and Wollastonite-Based Composite Materials

  • 期刊论文

  • 发表日期：

    2026年1月10日

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  • A. C. Prapul Chandra,
  • Mahantesh M. Math,
  • L. H. Manjunatha,
  • S. M. Rajesh,
  • M. Vijay Kumar,
  • Shrishail B. Sollapur,
  • R. Girish Kumar,
  • Manish P. Aachliya

摘要

This study presents a comprehensive investigation into the wear characteristics of Acrylonitrile–Butadiene–Styrene (ABS) and its composites reinforced with Wollastonite (CaSiO₃). Composites were fabricated by incorporating 3, 5, and 7 wt% Wollastonite into the ABS matrix using a twin-screw extrusion process, followed by injection moulding to obtain test specimens. Wear behaviour was evaluated using a pin-on-disk tribometer in accordance with ASTM G99 standards. The effects of three key parameters, filler content (3%, 5%, and 7%), applied load (1, 3, and 5 kg), and sliding velocity (5, 7.5, and 10 m/s) were systematically examined. Scanning Electron Microscopy (SEM) was employed to examine the worn surface morphology and identify the wear mechanisms. The findings reveal that the incorporation of Wollastonite significantly enhances the wear resistance of ABS, as reflected by a decrease in the wear coefficient with increasing filler content. Moreover, variations in load and sliding speed were found to influence the frictional response and heat generation during sliding, thereby affecting the overall tribological performance. The outcomes of this work provide useful insights for designing wear-resistant polymer composites suitable for engineering applications.