A mechanical comparison of alpha and beta phase biomedical TiTa lattice structures

Recent orthopaedic implant alloy design has focused on β-type Ti alloys, as the body centred cubic (BCC) crystal structure has the tendency to be characterised by a low elastic modulus. Nevertheless, the currently most used metal is Ti-6Al-4V, which mainly retains a hexagonal closed packed (HCP) cry...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Erin G. Brodie, Thomas Wegener, Julia Richter, Alexander Medvedev, Thomas Niendorf, Andrey Molotnikov
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Tantalum Titanium Laser powder bed fusion β-titanium alloys Lattice structures Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/a4d651f637f549f2b3fdc2dfc2cfbb1e
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:a4d651f637f549f2b3fdc2dfc2cfbb1e
record_format	dspace
spelling	oai:doaj.org-article:a4d651f637f549f2b3fdc2dfc2cfbb1e2021-11-10T04:17:43ZA mechanical comparison of alpha and beta phase biomedical TiTa lattice structures0264-127510.1016/j.matdes.2021.110220https://doaj.org/article/a4d651f637f549f2b3fdc2dfc2cfbb1e2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0264127521007759https://doaj.org/toc/0264-1275Recent orthopaedic implant alloy design has focused on β-type Ti alloys, as the body centred cubic (BCC) crystal structure has the tendency to be characterised by a low elastic modulus. Nevertheless, the currently most used metal is Ti-6Al-4V, which mainly retains a hexagonal closed packed (HCP) crystal structure when produced by additive manufacturing. The benefits and disadvantages of the mechanical response of each crystal structure for implant applications is yet to be explored. Utilising the TiTa alloy system, low modulus Ti25Ta and Ti65Ta lattices were additively manufactured with opposing crystal structures of α′ martensite (HCP) and β grains (BCC). The lattices showed similar tensile, compressive and high cycle fatigue behaviour, indicating that the α' alloy was mechanically equal to the β alloy for implant applications. The mechanical properties of both the TiTa lattices were also superior to identically manufactured lattices in Ti-6Al-4V in both as-built and heat treated conditions.Erin G. BrodieThomas WegenerJulia RichterAlexander MedvedevThomas NiendorfAndrey MolotnikovElsevierarticleTantalumTitaniumLaser powder bed fusionβ-titanium alloysLattice structuresMaterials of engineering and construction. Mechanics of materialsTA401-492ENMaterials & Design, Vol 212, Iss , Pp 110220- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Tantalum Titanium Laser powder bed fusion β-titanium alloys Lattice structures Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Tantalum Titanium Laser powder bed fusion β-titanium alloys Lattice structures Materials of engineering and construction. Mechanics of materials TA401-492 Erin G. Brodie Thomas Wegener Julia Richter Alexander Medvedev Thomas Niendorf Andrey Molotnikov A mechanical comparison of alpha and beta phase biomedical TiTa lattice structures
description	Recent orthopaedic implant alloy design has focused on β-type Ti alloys, as the body centred cubic (BCC) crystal structure has the tendency to be characterised by a low elastic modulus. Nevertheless, the currently most used metal is Ti-6Al-4V, which mainly retains a hexagonal closed packed (HCP) crystal structure when produced by additive manufacturing. The benefits and disadvantages of the mechanical response of each crystal structure for implant applications is yet to be explored. Utilising the TiTa alloy system, low modulus Ti25Ta and Ti65Ta lattices were additively manufactured with opposing crystal structures of α′ martensite (HCP) and β grains (BCC). The lattices showed similar tensile, compressive and high cycle fatigue behaviour, indicating that the α' alloy was mechanically equal to the β alloy for implant applications. The mechanical properties of both the TiTa lattices were also superior to identically manufactured lattices in Ti-6Al-4V in both as-built and heat treated conditions.
format	article
author	Erin G. Brodie Thomas Wegener Julia Richter Alexander Medvedev Thomas Niendorf Andrey Molotnikov
author_facet	Erin G. Brodie Thomas Wegener Julia Richter Alexander Medvedev Thomas Niendorf Andrey Molotnikov
author_sort	Erin G. Brodie
title	A mechanical comparison of alpha and beta phase biomedical TiTa lattice structures
title_short	A mechanical comparison of alpha and beta phase biomedical TiTa lattice structures
title_full	A mechanical comparison of alpha and beta phase biomedical TiTa lattice structures
title_fullStr	A mechanical comparison of alpha and beta phase biomedical TiTa lattice structures
title_full_unstemmed	A mechanical comparison of alpha and beta phase biomedical TiTa lattice structures
title_sort	mechanical comparison of alpha and beta phase biomedical tita lattice structures
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/a4d651f637f549f2b3fdc2dfc2cfbb1e
work_keys_str_mv	AT eringbrodie amechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT thomaswegener amechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT juliarichter amechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT alexandermedvedev amechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT thomasniendorf amechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT andreymolotnikov amechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT eringbrodie mechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT thomaswegener mechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT juliarichter mechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT alexandermedvedev mechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT thomasniendorf mechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures AT andreymolotnikov mechanicalcomparisonofalphaandbetaphasebiomedicaltitalatticestructures
_version_	1718440681810165760

A mechanical comparison of alpha and beta phase biomedical TiTa lattice structures

Ejemplares similares