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This study produced 4043 Aluminum (Al) alloy samples using the Tungsten Inert Gas (TIG)-based robot-assisted Wire Arc Additive Manufacturing (WAAM) method with standard parameters. The specimens underwent microstructure, hardness, and wear tests and optical 3D profilometer examination. An optical 3D profilometer investigated surface roughness. The Vickers hardness (HV) method determined differences in hardness value. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to examine microstructural characteristics. Results revealed that as-received 4043 Al-Si alloy with around 39 µm surface roughness and the average microhardness is 61 HV. Additionally, the mechanical characteristics and microstructure of the aluminum alloy were examined. This work helps to understand the surface characteristics of the WAAM process of aluminum alloys.

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Surface Characteristics of Aluminum Alloy Components Printed Through the WAAM Process

  • 会议论文

  • 发表日期：

    2025年

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  • Robin Singh,
  • Kumar Ujjwal,
  • Mukul Anand,
  • Alok Kumar Das

摘要

This study produced 4043 Aluminum (Al) alloy samples using the Tungsten Inert Gas (TIG)-based robot-assisted Wire Arc Additive Manufacturing (WAAM) method with standard parameters. The specimens underwent microstructure, hardness, and wear tests and optical 3D profilometer examination. An optical 3D profilometer investigated surface roughness. The Vickers hardness (HV) method determined differences in hardness value. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to examine microstructural characteristics. Results revealed that as-received 4043 Al-Si alloy with around 39 µm surface roughness and the average microhardness is 61 HV. Additionally, the mechanical characteristics and microstructure of the aluminum alloy were examined. This work helps to understand the surface characteristics of the WAAM process of aluminum alloys.