Faculty of Mechanical Engineering
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Item type:Publication, Experimental investigation on mechanical properties of FFF parts using different materials(ELSEVIER B.V., 2022-02-14); ; ; Hadjieva, BojanaFused filament fabrication (FFF) is one of the additive manufacturing processes that provides parts with finest mechanical properties. Different materials offer different mechanical properties of the part. In this research we investigated parts fabricated with polylactic acid (PLA), polycarbonate (PC) and polyethylene terephthalate glycol, PETG. Samples are designed according to the ASTM standards and fabricated under the same process parameters. The mean effect on the tensile strength and flexural strength have been studied. From the study it can be concluded that there is a difference in the results as expected. But we cannot say that there is one material with superior properties, simply different materials are suitable for different applications - Some of the metrics are blocked by yourconsent settings
Item type:Publication, A review of fused deposition modeling process: parameter optimization, materials, and design(2022-07-21); ; ; Hadjieva, BojanaIn the past decade, additive manufacturing technology or 3D printing has been promoted as an efficient method for fabricating hybrid composite materials and structures with superior mechanical properties and complex shape and geometry. Fused deposition modeling (FDM) process is commonly used additive manufacturing technique for production of polymer products. Therefore, many studies and experiments are focused on investigating the possibilities for improving the obtained results on product properties as a key factor for expanding the spectrum of their application. This article provides an extensive review on recent research advances in FDM and reports on studies that cover the effects of process parameters, material and design of the product properties. The paper conclusions provide a clear up-to date information for optimum efficiency and enhancement of the mechanical properties of 3D printed samples and recommends further research work and investigations. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Mechanical properties of parts fabricated with additive manufacturing: A review of mechanical properties of fused filament fabrication parts(SCIENTIFIC TECHNICAL UNION OF MECHANICAL ENGINEERING INDUSTRY-4.0, 2022-10-07); ; ; Hadjieva, BojanaAdditive Manufacturing (AM) Technologies are in constant development since their emergence in the late 80s. However, standardization is still in its infancy, owing to the numerous changing variables in each process. One of the most common are the material extrusion process, in which thermoplastic is extruded, also known as fused filament fabrication (FFF). The popularity of this process is due to the relatively simple method as well as the relatively good mechanical properties of the fabricated parts. There are numerous research studies evaluating mechanical properties because the FFF process allows for the investigation of many variables and the production of many parts with a wide range of characteristics. But how good are those characteristics in reality, and how good do we need them to be? It all depends on the application for which those parts are required. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Mechanical properties of parts fabricated with additive manufacturing: A review of mechanical properties of fused filament fabrication parts(2022); ; ; Hadjieva, BojanaAdditive Manufacturing (AM) Technologies are in constant development since their emergence in the late 80s. However, standardization is still in its infancy, owing to the numerous changing variables in each process. One of the most common are the material extrusion process, in which thermoplastic is extruded, also known as fused filament fabrication (FFF). The popularity of this process is due to the relatively simple method as well as the relatively good mechanical properties of the fabricated parts. There are numerous research studies evaluating mechanical properties because the FFF process allows for the investigation of many variables and the production of many parts with a wide range of characteristics. But how good are those characteristics in reality, and how good do we need them to be? It all depends on the application for which those parts are required. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Experimental investigation on mechanical properties of FFF parts using different materials(Elsevier BV, 2022-05); ; ; Hadjieva, BojanaFused filament fabrication (FFF) is one of the additive manufacturing processes that provides parts with finest mechanical properties. Different materials offer different mechanical properties of the part. In this research we investigated parts fabricated with polylactic acid (PLA), polycarbonate (PC) and polyethylene terephthalate glycol, PETG. Samples are designed according to the ASTM standards and fabricated under the same process parameters. The mean effect on the tensile strength and flexural strength have been studied. From the study it can be concluded that there is a difference in the results as expected. But we cannot say that there is one material with superior properties, simply different materials are suitable for different applications.