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High strain-rate failure mechanisms of additively manufactured IN718 Gyroid structures: Experiments and numerical insights
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DOI：10.1016/j.ijimpeng.2026.105826.png)
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Abstract
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• Symmetric double-gradient IN718 Gyroids are fabricated via SLM. • Mechanical response is tested through quasi-static and high strain rates loadings. • Global and local DIC quantify structural anisotropy and shear band formation. • Numerical models highlight inertia effects and wall buckling modes. • Effects of geometry, SLM defects and strain rate on energy dissipation are analyzed.
Keywords:
Architected materials
TPMS
Split Hopkinson Pressure Bar
Digital Image Correlation
Numerical simulation
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5.7
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4.9K
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