Abstract
This paper presents the results of an experimental study to evaluate the possibility of using SLM additive technology to produce structures with specific surface morphological features. Qualitative and quantitative tests were conducted on samples fabricated by 3D printing from titanium (Ti6Al4V)-powder-based material and analysed in direct relation to the possibility of their use in medicine for the construction of femoral stem and models with a specific degree of porosity predicted by process-control in the self-decision-making 3D printing machine. This paper presents the results of the study, limitations of the method, recommendations that should be used in the design of finished products, and design proposals to support the fabrication process of 3D printers. Furthermore, the study contains an evaluation of how the printing direction affects the formation of certain structures on the printed surface. The research can be used in the development of 3D printing standardization, particularly in the consideration of process control and surface control.
Highlights
Due to the nature of the morphological istics considered in the study, it was determined that the analysis of height and functional characteristics considered in the study, it was determined that the analysis of height and volume parameters was warranted
The use of modern, unconventional fabrication methods such as 3D printing allows for the construction of functional elements with medical applications
These elements can have a certain degree of biocompatibility, which enhances their scope of application. This enables the printing of bone parts and implants and modelling specific porosity to ensure that they are connected with the living tissues of the patient
Summary
Over the past several years, unimaginable developments have occurred in the chemical composition of materials used in 3D printing technologies. Additive technologies enable the fabrication of models from plastic-based materials, metals, and ceramics. Materials are being used that enable fabrication from composite-based materials, in technologies based on fused deposition modelling [11,12]. In connection with the ongoing Industry 4.0 revolution and new opportunities, the topic of 4D printing has seen increased interest, where through the use of smart material and other technologies, such as, for example, electrospinning, it is possible to build advanced cell structures or composite models [13,14,15]
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