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<p>Present research objectives are reducing the casting defects and enhancing the functional properties of aluminium alloy (AA2024) nanocomposite embedded with different wt% of nano silicon carbide (SiC) and 2.5 wt% boron nitride (BN) via using squeeze stir casting process and argon inert gas used throughout the fabrication process to minimize the oxidation. The effect squeeze cast process with the inert nature and actions of SiC/BN on metallography and its physical properties are evaluated. The AA2024 alloy embedded with 2.5 wt% of BN and 5 wt% nano SiC hybrid composite surface shows a homogenous particle-distributed microstructure. The porosity is noted as &lt; 1 % of porosity. Incorporating 2.5 wt% of BN and nano SiC in AA2024 alloy exposed a progressive hike in actual density. Moreover, the significance of 5 wt% nano SiC in AA2024/2.5 wt% of BN is offered higher tensile, impact and microhardness of 334±8 MPa, 16.1±0.4 J/mm<sup>2</sup>, and 131±2 HV, respectively.</p>

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Processing and SiC content on functional behaviour of aluminium alloy composite

  • 期刊论文

  • 发表日期：

    2025年8月4日

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  • Rathinavelu Venkatesh,
  • Samraj Ravi,
  • Vinayagam Mohanavel,
  • M. Ravichandran,
  • T. Narendrudu,
  • Sami Al Obaid,
  • Tahani Awad Alahmadi

摘要

Present research objectives are reducing the casting defects and enhancing the functional properties of aluminium alloy (AA2024) nanocomposite embedded with different wt% of nano silicon carbide (SiC) and 2.5 wt% boron nitride (BN) via using squeeze stir casting process and argon inert gas used throughout the fabrication process to minimize the oxidation. The effect squeeze cast process with the inert nature and actions of SiC/BN on metallography and its physical properties are evaluated. The AA2024 alloy embedded with 2.5 wt% of BN and 5 wt% nano SiC hybrid composite surface shows a homogenous particle-distributed microstructure. The porosity is noted as < 1 % of porosity. Incorporating 2.5 wt% of BN and nano SiC in AA2024 alloy exposed a progressive hike in actual density. Moreover, the significance of 5 wt% nano SiC in AA2024/2.5 wt% of BN is offered higher tensile, impact and microhardness of 334±8 MPa, 16.1±0.4 J/mm2, and 131±2 HV, respectively.