Development and validation of the mechanical behavior of a cervical disc implant with an “S” shape of Ti6Al-4V ELI manufactured by SLM
Year: 2021
Type: article
Abstract: espanolEn el presente estudio se desarrolla y valida el comportamiento mecanico de un implante medico cervical de aleacion de titanio tipo Ti-6Al-4V ELI, fabricado mediante selective laser melting (SLM). Este es un proceso de gran versatilidad que permite fabricar componentes de formas complejas de manera relativamente rapida. El implante desarrollado es un dispositivo medico que presenta mejoras respecto a los ya existentes. La propuesta de esta investigacion es la optimizacion del diseno geometrico en forma de “S”, a traves de simulaciones por elementos finitos y retroalimentacion del analisis de los resultados de los ensayos realizados. Se realizaron analisis quimico, analisis microestructural, ensayos mecanicos y analisis por elementos finitos, para lo cual se tuvo como referencia los lineamientos establecidos en las normas ASTM F136-13 y ASTM 2346-11. Durante el desarrollo de este proyecto se presentaron diversas modificaciones geometricas resultado de la retroalimentacion constante entre la simulacion del diseno y el comportamiento del implante ante cargas ciclicas. Finalmente, se encontro el diseno optimo del implante con el que se logran las caracteristicas que deben garantizar un correcto funcionamiento del implante. EnglishIn the present study the mechanical behavior of a titanium alloy cervical medical implant type Ti-6Al-4V ELI is developed and validated, manufactured by Selective Laser Melting (SLM), which is a highly versatile and a faster process that allows to manufacture components with complex shapes. The medical implant developed in this research presents improvements compared to existing ones. The proposal of this research is the geometric design optimization set up as an S shape, by using finite elements analysis and the feedback of the results of mechanical tests. Chemical analyzes, microstructural analyzes, mechanical tests and finite element analysis were carried out, taking as reference the guidelines established in the ASTM F136-13 and ASTM 2346-11 standards. During the development of this project, several geometric modifications were presented as a result of the constant feedback between the simulation of the design and the behavior of the implant under cyclic loads. Finally, the optimal design of the implant was found and this design achieves the functional requirements of a cervical implant.
Source: Ingeniería y Desarrollo
Institution: Pontificia Universidad Católica del Perú
Language: English
Subfield: Surgery
Field: Medicine
Domain: Health Sciences
Open Access status: diamond
OpenAlex ID: W3124320940