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Mechanical Properties and Deformation Behaviour of ARCH and BCT Lattice Structures Manufactured by Selective Laser Melting

Ruochen Ding, Baorui Du, Jun Yao, Huilong Zheng, Yumeng Guo, Zhenya Kang

2020IOP Conference Series Materials Science and Engineering20 citationsDOIOpen Access PDF

Abstract

Abstract In this study, a new lattice structure ARCH is proposed, ARCH lattice structure and traditional lattice structures BCT were fabricated from 316 L stainless steel by SLM. Mechanical properties and deformation behavior of the lattice structures were experimentally investigated. The results show that the ARCH lattice structures have better mechanical property and energy absorption capability than BCT lattice structures. Under the same relative density, the compressive strength and elastic modulus of the ARCH lattice structure is 121.27% and 60.48% higher than the BCT lattice structure, and the ARCH lattice structures have better energy absorption properties than the BCT lattice structures.

Topics & Concepts

Lattice (music)Materials scienceArchCrystal structureSelective laser meltingEmpty lattice approximationElastic modulusComposite materialParticle in a one-dimensional latticeCondensed matter physicsCrystallographyStructural engineeringMicrostructureOpticsReciprocal latticeChemistryDiffractionPhysicsEngineeringAcousticsCellular and Composite StructuresAdditive Manufacturing and 3D Printing TechnologiesAdditive Manufacturing Materials and Processes
Mechanical Properties and Deformation Behaviour of ARCH and BCT Lattice Structures Manufactured by Selective Laser Melting | Litcius