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<p>The present study aimed to develop&#xa0;and compare the properties of aloe vera nanoparticulate reinforced aluminium 6061 (AA6061) composites made by stir casting and friction stir processing (FSP). The composites were tested to determine their microstructure, mechanical characteristics and wear behaviour. Stir casting resulted in composites exhibiting higher porosity and reinforcement clustering, whereas FSP developed fine-grained structures with uniform reinforcement distribution. X-ray diffraction examination revealed the presence of intermetallic compounds and oxides in both composites. Because of increased matrix strengthening and decreased porosity, the FSP-produced composite had higher tensile strength, microhardness, elongation and flexural strength. Wear tests revealed severe adhesion, oxidation and delamination in the stir-cast composite, whereas the FSP composite had minimal adhesion and abrasion, resulting in much higher wear resistance. The outcomes showed that FSP can manufacture high-performance AA6061 composites with better mechanical and tribological properties than stir casting under similar conditions.</p>

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Development of organic nano-particulate reinforced aluminium 6061 composite through liquid and solid state process

  • 期刊论文

  • 发表日期：

    2025年8月20日

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  • Sabyasachi Mukherjee,
  • Rahul Kanti Nath,
  • Pabitra Maji,
  • Sutanu Samanta,
  • Manapuram Muralidhar

摘要

The present study aimed to develop and compare the properties of aloe vera nanoparticulate reinforced aluminium 6061 (AA6061) composites made by stir casting and friction stir processing (FSP). The composites were tested to determine their microstructure, mechanical characteristics and wear behaviour. Stir casting resulted in composites exhibiting higher porosity and reinforcement clustering, whereas FSP developed fine-grained structures with uniform reinforcement distribution. X-ray diffraction examination revealed the presence of intermetallic compounds and oxides in both composites. Because of increased matrix strengthening and decreased porosity, the FSP-produced composite had higher tensile strength, microhardness, elongation and flexural strength. Wear tests revealed severe adhesion, oxidation and delamination in the stir-cast composite, whereas the FSP composite had minimal adhesion and abrasion, resulting in much higher wear resistance. The outcomes showed that FSP can manufacture high-performance AA6061 composites with better mechanical and tribological properties than stir casting under similar conditions.