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This study aims to present the results of experimental investigations into the energy absorption characteristics of regular cellular structures with auxetic properties, additively manufactured using the Selective Laser Melting (SLM) technique from Maraging M300 steel. The experimental approach included quasi-static compression tests and high-strain-rate dynamic tests conducted using a drop-weight impact testing apparatus. Additionally, tensile test specimens were fabricated to characterise the mechanical properties of the additively manufactured M300 steel. The experimental results indicate that the proposed cellular topologies exhibit pronounced auxetic behaviour and a high capacity for mechanical energy absorption. These findings contribute to the broader understanding of auxetic structures and their potential applications in energy dissipation and impact-resistant materials.

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Mechanical Response of 3D Printed Auxetic Structures Made from Maraging M300 Steel

  • 会议论文

  • 发表日期：

    2025年

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  • Pawel Platek,
  • Kamil Cieplak,
  • Marcin Sarzyński,
  • Michał Kucewicz,
  • Pawel Baranowski

摘要

This study aims to present the results of experimental investigations into the energy absorption characteristics of regular cellular structures with auxetic properties, additively manufactured using the Selective Laser Melting (SLM) technique from Maraging M300 steel. The experimental approach included quasi-static compression tests and high-strain-rate dynamic tests conducted using a drop-weight impact testing apparatus. Additionally, tensile test specimens were fabricated to characterise the mechanical properties of the additively manufactured M300 steel. The experimental results indicate that the proposed cellular topologies exhibit pronounced auxetic behaviour and a high capacity for mechanical energy absorption. These findings contribute to the broader understanding of auxetic structures and their potential applications in energy dissipation and impact-resistant materials.