Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures

In this work, three novel re-entrant plate lattice structures (LSs) have been designed by transforming conventional truss-based lattices into hybrid-plate based lattices, namely, flat-plate modified auxetic (FPMA), vintile (FPV), and tesseract (FPT). Additive manufacturing based on stereolithography...

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Autores principales:	Sultan Al Hassanieh, Ahmed Alhantoobi, Kamran A. Khan, Muhammad A. Khan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	additive manufacturing plate lattice stereolithography (SLA) compression response resin energy absorption Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/623cdd276ee2400fbd20c94a5cec4612
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spelling	oai:doaj.org-article:623cdd276ee2400fbd20c94a5cec46122021-11-25T18:47:53ZMechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures10.3390/polym132238822073-4360https://doaj.org/article/623cdd276ee2400fbd20c94a5cec46122021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/22/3882https://doaj.org/toc/2073-4360In this work, three novel re-entrant plate lattice structures (LSs) have been designed by transforming conventional truss-based lattices into hybrid-plate based lattices, namely, flat-plate modified auxetic (FPMA), vintile (FPV), and tesseract (FPT). Additive manufacturing based on stereolithography (SLA) technology was utilized to fabricate the tensile, compressive, and LS specimens with different relative densities (ρ). The base material’s mechanical properties obtained through mechanical testing were used in a finite element-based numerical homogenization analysis to study the elastic anisotropy of the LSs. Both the FPV and FPMA showed anisotropic behavior; however, the FPT showed cubic symmetry. The universal anisotropic index was found highest for FPV and lowest for FPMA, and it followed the power-law dependence of ρ. The quasi-static compressive response of the LSs was investigated. The Gibson–Ashby power law (≈ρ<sup>n</sup>) analysis revealed that the FPMA’s Young’s modulus was the highest with a mixed bending–stretching behavior (≈ρ<sup>1.30</sup>), the FPV showed a bending-dominated behavior (≈ρ<sup>3.59</sup>), and the FPT showed a stretching-dominated behavior (≈ρ<sup>1.15</sup>). Excellent mechanical properties along with superior energy absorption capabilities were observed, with the FPT showing a specific energy absorption of 4.5 J/g, surpassing most reported lattices while having a far lower density.Sultan Al HassaniehAhmed AlhantoobiKamran A. KhanMuhammad A. KhanMDPI AGarticleadditive manufacturingplate latticestereolithography (SLA)compression responseresinenergy absorptionOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3882, p 3882 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	additive manufacturing plate lattice stereolithography (SLA) compression response resin energy absorption Organic chemistry QD241-441
spellingShingle	additive manufacturing plate lattice stereolithography (SLA) compression response resin energy absorption Organic chemistry QD241-441 Sultan Al Hassanieh Ahmed Alhantoobi Kamran A. Khan Muhammad A. Khan Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures
description	In this work, three novel re-entrant plate lattice structures (LSs) have been designed by transforming conventional truss-based lattices into hybrid-plate based lattices, namely, flat-plate modified auxetic (FPMA), vintile (FPV), and tesseract (FPT). Additive manufacturing based on stereolithography (SLA) technology was utilized to fabricate the tensile, compressive, and LS specimens with different relative densities (ρ). The base material’s mechanical properties obtained through mechanical testing were used in a finite element-based numerical homogenization analysis to study the elastic anisotropy of the LSs. Both the FPV and FPMA showed anisotropic behavior; however, the FPT showed cubic symmetry. The universal anisotropic index was found highest for FPV and lowest for FPMA, and it followed the power-law dependence of ρ. The quasi-static compressive response of the LSs was investigated. The Gibson–Ashby power law (≈ρ<sup>n</sup>) analysis revealed that the FPMA’s Young’s modulus was the highest with a mixed bending–stretching behavior (≈ρ<sup>1.30</sup>), the FPV showed a bending-dominated behavior (≈ρ<sup>3.59</sup>), and the FPT showed a stretching-dominated behavior (≈ρ<sup>1.15</sup>). Excellent mechanical properties along with superior energy absorption capabilities were observed, with the FPT showing a specific energy absorption of 4.5 J/g, surpassing most reported lattices while having a far lower density.
format	article
author	Sultan Al Hassanieh Ahmed Alhantoobi Kamran A. Khan Muhammad A. Khan
author_facet	Sultan Al Hassanieh Ahmed Alhantoobi Kamran A. Khan Muhammad A. Khan
author_sort	Sultan Al Hassanieh
title	Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures
title_short	Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures
title_full	Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures
title_fullStr	Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures
title_full_unstemmed	Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures
title_sort	mechanical properties and energy absorption characteristics of additively manufactured lightweight novel re-entrant plate-based lattice structures
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/623cdd276ee2400fbd20c94a5cec4612
work_keys_str_mv	AT sultanalhassanieh mechanicalpropertiesandenergyabsorptioncharacteristicsofadditivelymanufacturedlightweightnovelreentrantplatebasedlatticestructures AT ahmedalhantoobi mechanicalpropertiesandenergyabsorptioncharacteristicsofadditivelymanufacturedlightweightnovelreentrantplatebasedlatticestructures AT kamranakhan mechanicalpropertiesandenergyabsorptioncharacteristicsofadditivelymanufacturedlightweightnovelreentrantplatebasedlatticestructures AT muhammadakhan mechanicalpropertiesandenergyabsorptioncharacteristicsofadditivelymanufacturedlightweightnovelreentrantplatebasedlatticestructures
_version_	1718410714371063808

Mechanical Properties and Energy Absorption Characteristics of Additively Manufactured Lightweight Novel Re-Entrant Plate-Based Lattice Structures

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