Eventos Anais de eventos
COBEM 2023
27th International Congress of Mechanical Engineering
17-4 PH Stainless Steel deposited by the Metallic Fused Filament Fabrication (FFF) process
Submission Author:
Júlia Fornaziero de Almeida , SP
Co-Authors:
Júlia Fornaziero de Almeida, Fábio Mariani, Raul Jeronymo, Reginaldo Coelho
Presenter: Júlia Fornaziero de Almeida
doi://10.26678/ABCM.COBEM2023.COB2023-1444
Abstract
The Material Extrusion Process, Fused Filament Fabrication (FFF) for metals, has as its principle the use of filament composed of polymer binders and metal alloy in powder form. During the metal FFF, the composite filament is melted and deposited in successive layers to produce a geometry. After the construction, the part is submitted to the debinding and sintering processes to obtain a solid structure. Compared to other metal AM processes, the FFF is an alternative, easier to operate, and cost-effective. However, this process still needs studies to achieve consolidated mechanical properties. Many parameters influence the quality of the final part produced by the FFF, and these depend directly on the specifications of the used materials. Based on this perspective, this work aimed to produce and characterize a sample of 17-4 PH stainless steel deposited using metallic FFF process. We performed volumetric analyses using a 3D scanner and characterized the sample using confocal laser microscopy, Scanning Electron Microscopy (SEM), X-ray Energy Dispersive Spectroscopy (EDX), Vickers microhardness, and calotest microadhesive wear test. A sample with chemical compositions similar to casting 17-4 PH steel was obtained. The hardness and wear results showed similarities between the deposited sample, indicating efficiency in the deposition parameters.
Keywords
material extrusion process, Metal, material characterization, Additive manufacturing, fused filament fabrication
