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<p>This investigation delineates the influence of layer thickness variations in laser powder bed fusion (LPBF) on the manufacturing efficiency and mechanical attributes of Ti-6Al-4&#xa0;V components. Specifically, the study assessed components fabricated with layer thicknesses of 30 and 60&#xa0;µm in terms of surface roughness, tensile strength, build time, and energy consumption. The findings reveal that an increase in layer thickness correlates with improved surface finish and a significant reduction in build time of approximately 47–48% and a decrease in energy consumption from 65.04 to 34.99 kWh, representing a 46.20% reduction. Notably, tensile strength exhibited dependency on orientation, with vertical strengths showing substantial improvements. These results provide valuable insights into the relationship between layer thickness and key performance metrics in LPBF, contributing to the foundational knowledge required for advancing the sustainability and efficacy of additive manufacturing processes.</p>

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Selective laser melting of Ti-6Al-4 V: assessing the influence of layer thickness and part geometry on manufacturing efficiency and mechanical properties

  • 期刊论文

  • 发表日期：

    2025年8月18日

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  • Asif Iqbal,
  • Aijun Huang,
  • Mohd Iskandar Petra,
  • Ray Tahir Mushtaq,
  • Yuman Zhu,
  • Bryce Melville,
  • Aqib Mashood Khan,
  • Muhammad Saifullah Abu Bakar,
  • Malik Muhammad Nauman

摘要

This investigation delineates the influence of layer thickness variations in laser powder bed fusion (LPBF) on the manufacturing efficiency and mechanical attributes of Ti-6Al-4 V components. Specifically, the study assessed components fabricated with layer thicknesses of 30 and 60 µm in terms of surface roughness, tensile strength, build time, and energy consumption. The findings reveal that an increase in layer thickness correlates with improved surface finish and a significant reduction in build time of approximately 47–48% and a decrease in energy consumption from 65.04 to 34.99 kWh, representing a 46.20% reduction. Notably, tensile strength exhibited dependency on orientation, with vertical strengths showing substantial improvements. These results provide valuable insights into the relationship between layer thickness and key performance metrics in LPBF, contributing to the foundational knowledge required for advancing the sustainability and efficacy of additive manufacturing processes.