Abstract

HOOSAIN, S.E. et al. Investigation of the properties of direct energy deposition additive manufactured 304 stainless steel. S. Afr. J. Ind. Eng. [online]. 2021, vol.32, n.3, pp.258-263. ISSN 2224-7890.  http://dx.doi.org/10.7166/32-3-2661.

One of the main considerations in adopting the additive manufacturing (AM) technology is whether the material properties of the AM-produced part are comparable with the wrought material. This study compared the properties of AM-produced 304 stainless steel via the direct energy deposition (DED) AM process with wrought 304 stainless steel. The samples were studied in their as-built or as-received condition; and the characterisation analysis included micro-structural evaluation, hardness tests, Charpy impact testing, tensile testing, and X-ray diffraction. The results demonstrated that, in general, the strength characteristics of the AM sample exceeded those of the wrought material other than for toughness.

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