Influence of porosity on the elastic modulus of Ti-Zr-Ta-Nb foams with a low Nb content
| dc.contributor.author | Aguilar Ramírez, Claudio Eduardo | |
| dc.contributor.author | Arancibia, Mariette | |
| dc.contributor.author | Alfonso, Ismeli | |
| dc.contributor.author | Sancy, Mamie | |
| dc.contributor.author | Tello, Karem | |
| dc.contributor.author | Salinas, Vicente | |
| dc.contributor.author | Cuevas Jiménez, Fernando de las | |
| dc.contributor.department | Ciencias | es_ES |
| dc.contributor.department | Zientziak | eu |
| dc.date.accessioned | 2019-11-14T09:31:01Z | |
| dc.date.available | 2019-11-14T09:31:01Z | |
| dc.date.issued | 2019 | |
| dc.description.abstract | The development of titanium foams with a low elastic modulus has increased their scientific and technological relevance due to the evident need to avoid stress shielding problems. In this work, we studied the synthesis and characterization of Ti-13Zr-13Ta-3Nb (wt.%) alloy foams which present high potential for biomedical applications. A Ti-Nb-Ta-Zr mixture was produced by mechanical alloying using a planetary mill. Ti alloy foams were obtained using NaCl as a space-holder (40, 50, and 60 v/v %) that was mixed with the metallic powders and compacted under 420 MPa stress. NaCl particles were removed from the green compacts by submerging samples in distilled water at 60 degrees C. The green compacts were sintered at 1300 degrees C for 3 h in Ar atmosphere. Powders and foams were characterized by SEM and optical microscopy. The results showed that Ti-based foams with a tailored heterogeneous pore distribution can be obtained using the space holder method. The elastic modulus (E) of foams was estimated and measured between 5 and 25 GPa using theoretical and finite element analysis (FEA) models which are close to the E values measured experimentally. The results showed that foams with 50% and 60% porosity are potential bone replacement materials because their E value is closer to the E value of human bone. | en |
| dc.description.sponsorship | The authors would like to acknowledge financial support from FONDECYT Project No 1161444 and USM PI-INN-18-02. | en |
| dc.format.extent | 15 p. | |
| dc.format.mimetype | application/pdf | en |
| dc.identifier.doi | 10.3390/met9020176 | |
| dc.identifier.issn | 2075-4701 | |
| dc.identifier.uri | https://academica-e.unavarra.es/handle/2454/35377 | |
| dc.language.iso | eng | en |
| dc.publisher | MDPI | en |
| dc.relation.ispartof | Metals, 2019, 9, 176 | en |
| dc.relation.publisherversion | https://doi.org/10.3390/met9020176 | |
| dc.rights | © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license. | en |
| dc.rights.accessRights | info:eu-repo/semantics/openAccess | |
| dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
| dc.subject | Metallic foam | en |
| dc.subject | Titanium alloys | en |
| dc.subject | Elastic modulus | en |
| dc.subject | Biomaterials | en |
| dc.subject | Powder metallurgy | en |
| dc.title | Influence of porosity on the elastic modulus of Ti-Zr-Ta-Nb foams with a low Nb content | en |
| dc.type | info:eu-repo/semantics/article | |
| dc.type.version | info:eu-repo/semantics/publishedVersion | |
| dspace.entity.type | Publication | |
| relation.isAuthorOfPublication | 2ef05b1b-a6fe-447e-9107-64e91ce57889 | |
| relation.isAuthorOfPublication.latestForDiscovery | 2ef05b1b-a6fe-447e-9107-64e91ce57889 |