Abstract
The Metal fused-filament-fabrication (MFFF) technique has demonstrated fabulous latent for the low-cost consignment production. However, the polymer-based binders and their impacts, including pores and cavities, restrict the application of MFFF printing. In the current study, Stainless steel (SS)316L parts were developed using the MFFF technique, followed by debinding and sintering. The influence of post treatment was examined on the microstructure of the MFFF-produced SS316L at different temperatures, such as 700, 1050, and 1350 °C. Electron Backscatter Diffraction (EBSD) analysis revealed the progress of cellular structure at a temperature of 1350 °C, which confirmed the existence of austenite phase in the printed SS316L. The results demonstrate the efficacy of thermal treatment in refining the microstructure and residual stress of MFFF-processed SS316L parts.
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