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<p>Auxetic formations frequently referred to as metamaterials, display an inverse Poisson’s ratio owed to the characteristics of their component materials and the configuration of their structure. To ensure dimensional accuracy, minimize material waste, and enhance production efficiency, it is imperative to employ specialized manufacturing procedures for these structures. Metamaterials exhibit unique behaviors not seen in conventional materials. Historically, the fabrication of their constituent structures has lagged behind our theoretical understanding, particularly for auxetic components. However, additive manufacturing (AM) offers a breakthrough, enabling the creation of complex auxetic structures previously impossible with traditional methods. AM is key to realizing the full potential of these designs. This article explores recent advancements in using AM for metamaterial fabrication and provides insights into its applications and future possibilities. It aims to help readers evaluate the feasibility of integrating AM into their production processes.</p>

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A Review on Advancements in the 3D Printing of Auxetic Mechanical Metamaterials

  • 期刊论文

  • 发表日期：

    2025年2月21日

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  • Manoj R. Benke,
  • Kaustubh R. Kapadani,
  • Jagannath Gawande,
  • R. N. Chikkangoudar,
  • Vipul R. Navale,
  • Amol L. Khatode

摘要

Auxetic formations frequently referred to as metamaterials, display an inverse Poisson’s ratio owed to the characteristics of their component materials and the configuration of their structure. To ensure dimensional accuracy, minimize material waste, and enhance production efficiency, it is imperative to employ specialized manufacturing procedures for these structures. Metamaterials exhibit unique behaviors not seen in conventional materials. Historically, the fabrication of their constituent structures has lagged behind our theoretical understanding, particularly for auxetic components. However, additive manufacturing (AM) offers a breakthrough, enabling the creation of complex auxetic structures previously impossible with traditional methods. AM is key to realizing the full potential of these designs. This article explores recent advancements in using AM for metamaterial fabrication and provides insights into its applications and future possibilities. It aims to help readers evaluate the feasibility of integrating AM into their production processes.