ArticleScientific reports2020
Non-affinity in multi-material mechanical metamaterials.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Decoupling mechanical and morphometric properties in meta-biomaterials.Nature communications · 2026Article
- Two-photon polymerization based 4D printing of poly(N-isopropylacrylamide) hydrogel microarchitectures for reversible shape morphing.Scientific reports · 2025Article
- 3D Printed Materials with Nanovoxelated Elastic Moduli.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Experimental Study of Auxetic Structures Made of Re-Entrant ("Bow-Tie") Cells.Materials (Basel, Switzerland) · 2024Article
- Orthopedic meta-implants.APL bioengineering · 2024Article
- The non-affine fiber network solver: A multiscale fiber network material model for finite-element analysis.Journal of the mechanical behavior of biomedical materials · 2023Article
- Auxeticity as a Mechanobiological Tool to Create Meta-Biomaterials.ACS applied bio materials · 2023Review
- Emerging topics in nanophononics and elastic, acoustic, and mechanical metamaterials: an overview.Nanophotonics (Berlin, Germany) · 2023Review
- Additive Manufacturing of Biomaterials-Design Principles and Their Implementation.Materials (Basel, Switzerland) · 2022Review
- Energy Absorption and Mechanical Performance of Functionally Graded Soft-Hard Lattice Structures.Materials (Basel, Switzerland) · 2021Article
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Authors and funding
4 authors.
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Abstract
Non-affine deformations enable mechanical metamaterials to achieve their unusual properties while imposing implications for their structural integrity. The presence of multiple phases with different mechanical properties results in additional non-affinity of the deformations, a phenomenon that has never been studied before in the area of extremal mechanical metamaterials. Here, we studied the degree of non-affinity, [Formula: see text], resulting from the random substitution of a fraction of the struts,[Formula: see text], that make up a lattice structure and are printed using a soft material (elastic modulus = [Formula: see text]) by those printed using a hard material ([Formula: see text]). Depending on the unit cell angle (i.e., [Formula: see text] = 60°, 90°, or 120°), the lattice structures exhibited negative, near-zero, or positive values of the Poisson's ratio, respectively. We found that the auxetic structures exhibit the highest levels of non-affinity, followed by the structures with positive and near-zero values of the Poisson's ratio. We also observed an increase in [Formula: see text] with [Formula: see text] and [Formula: see text] until [Formula: see text] =10
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