Extremely stiff and lightweight auxetic metamaterial designs enabled by asymmetric strut cross-sections

• Main Authors: Seetoh, Ian Peiyuan, Leong, Brendon, Lee, Edmon Yi, Markandan, Kalaimani, Kanaujia, Pawan Kumar, Lai, Chang Quan
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2022
• Subjects: Engineering::Mechanical engineering; Engineering::Mechanical engineering::Mechanics and dynamics; Negative Poisson’s Ratio; Metamaterials; Auxetic; Rotation-Dominated; Cellular Solids; Lightweight
• Online Access: https://hdl.handle.net/10356/156162
• Institution: Nanyang Technological University

Negative Poisson's ratio has been shown to enhance packing efficiency, impact absorption, indentation resistance, fracture resistance and acoustics attenuation in auxetic materials, making them useful for applications such as protective cases and stents. However, these benefits are usually real...