Abstract
The additive manufacturing process by extrusion can provide an economical alternative to the manufacture of metal parts compared to powder bed fusion technologies, which are more expensive and with much lower production rates. The alternative’s viability is based on knowing how to print by extrusion metallic parts with adequate mechanical properties. This work explains how to print traction dog-bone specimens by fused fabrication of a filament loaded with stainless steel 316L powder. Subsequent, postprocesses of debinding and sintering for increasing specimen’s density are also described. The specimens were tested to assess the mechanical properties of traction achieved: elastic limit, youth modulus, maximum stress, rotational stress and Poisson's modulus. Finally, the results were compared with those obtained in an AISI 316L rolled steel specimen, and the obtained micro-structured was studied. Keywords: FFF, 316L, 3D printing, Sintering, Debinding.
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