Design, mechanical properties and energy absorption capability of graded-thickness triply periodic minimal surface structures fabricated by selective laser melting
International Journal of Mechanical Sciences(2021)
Abstract
•Proposing a novel design method to achieve functionally graded thickness minimal surface structures.•The local curvature distribution of the minimal surface can predict the first fracture positions.•The layer-by-layer failure feature of the graded structures can help avoid sharply stress drops.•Graded thickness triply minimal surface structures show higher stiffness and energy absorption capabilities than constant thickness.
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Key words
Triply periodic minimal surface,Graded thickness,Selective laser melting,Mechanical property,Energy absorption
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