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Strengthening and toughening behaviors of conch-like composite structures with hierarchical cross-lamellar architecture
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DOI：10.1016/j.jmbbm.2026.107516.png)
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Abstract
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• Serrated 3-level crossed-lamellar architectures are innovatively proposed. • FEM accuracy is validated with ≤6% deviation from experimental mechanical data. • With increasing serration number, stiffness and strength drop but toughness rises. • Positive hybrid design effectively overcomes strength-toughness trade-off. • Serrated top and inclined bottom boost strength while keeping high toughness.
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