Compressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods

Metallic three-dimensional lattice structures exhibit many favorable mechanical properties including high specific strength, high mechanical efficiency and superior energy absorption capability, being prospective in a variety of engineering fields such as light aerospace and transportation structure...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Hairi Zhang, Xingfu Wang, Zimu Shi, Jintao Xue, Fusheng Han
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	lattice structures energy absorption finite element analysis compression behavior additive manufacturing investment casting Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/fd9f6c7e9ab345f9bcba23e8b8abb724
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:fd9f6c7e9ab345f9bcba23e8b8abb724
record_format	dspace
spelling	oai:doaj.org-article:fd9f6c7e9ab345f9bcba23e8b8abb7242021-11-11T18:03:32ZCompressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods10.3390/ma142164841996-1944https://doaj.org/article/fd9f6c7e9ab345f9bcba23e8b8abb7242021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6484https://doaj.org/toc/1996-1944Metallic three-dimensional lattice structures exhibit many favorable mechanical properties including high specific strength, high mechanical efficiency and superior energy absorption capability, being prospective in a variety of engineering fields such as light aerospace and transportation structures as well as impact protection apparatus. In order to further compare the mechanical properties and better understand the energy absorption characteristics of metal lattice structures, enhanced pyramidal lattice structures of three strut materials was prepared by 3D printing combined with investment casting and direct metal additive manufacturing. The compressive behavior and energy absorption property are theoretically analyzed by finite element simulation and verified by experiments. It is shown that the manufacturing method of 3D printing combined with investment casting eliminates stress fluctuations in plateau stages. The relatively ideal structure is given by examination of stress–strain behavior of lattice structures with varied parameters. Moreover, the theoretical equation of compressive strength is established that can predicts equivalent modulus and absorbed energy of lattice structures.Hairi ZhangXingfu WangZimu ShiJintao XueFusheng HanMDPI AGarticlelattice structuresenergy absorptionfinite element analysiscompression behavioradditive manufacturinginvestment castingTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6484, p 6484 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	lattice structures energy absorption finite element analysis compression behavior additive manufacturing investment casting Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	lattice structures energy absorption finite element analysis compression behavior additive manufacturing investment casting Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Hairi Zhang Xingfu Wang Zimu Shi Jintao Xue Fusheng Han Compressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods
description	Metallic three-dimensional lattice structures exhibit many favorable mechanical properties including high specific strength, high mechanical efficiency and superior energy absorption capability, being prospective in a variety of engineering fields such as light aerospace and transportation structures as well as impact protection apparatus. In order to further compare the mechanical properties and better understand the energy absorption characteristics of metal lattice structures, enhanced pyramidal lattice structures of three strut materials was prepared by 3D printing combined with investment casting and direct metal additive manufacturing. The compressive behavior and energy absorption property are theoretically analyzed by finite element simulation and verified by experiments. It is shown that the manufacturing method of 3D printing combined with investment casting eliminates stress fluctuations in plateau stages. The relatively ideal structure is given by examination of stress–strain behavior of lattice structures with varied parameters. Moreover, the theoretical equation of compressive strength is established that can predicts equivalent modulus and absorbed energy of lattice structures.
format	article
author	Hairi Zhang Xingfu Wang Zimu Shi Jintao Xue Fusheng Han
author_facet	Hairi Zhang Xingfu Wang Zimu Shi Jintao Xue Fusheng Han
author_sort	Hairi Zhang
title	Compressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods
title_short	Compressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods
title_full	Compressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods
title_fullStr	Compressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods
title_full_unstemmed	Compressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods
title_sort	compressive and energy absorption properties of pyramidal lattice structures by various preparation methods
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/fd9f6c7e9ab345f9bcba23e8b8abb724
work_keys_str_mv	AT hairizhang compressiveandenergyabsorptionpropertiesofpyramidallatticestructuresbyvariouspreparationmethods AT xingfuwang compressiveandenergyabsorptionpropertiesofpyramidallatticestructuresbyvariouspreparationmethods AT zimushi compressiveandenergyabsorptionpropertiesofpyramidallatticestructuresbyvariouspreparationmethods AT jintaoxue compressiveandenergyabsorptionpropertiesofpyramidallatticestructuresbyvariouspreparationmethods AT fushenghan compressiveandenergyabsorptionpropertiesofpyramidallatticestructuresbyvariouspreparationmethods
_version_	1718431980221104128

Compressive and Energy Absorption Properties of Pyramidal Lattice Structures by Various Preparation Methods

Ejemplares similares