Abstract
Investigations of the microstructure and technological properties (such as flow ability, bulk density, tapped density etc.) of novel Fe–Cr–Ni, Fe–Cr–Ni–Mo and Fe–Cr–Ni–Co–Mo stainless steel metal powders were carried on. These powders are intended for use in additive manufacturing processes. Morphology of the powders was researched and the dendritic parameter was estimated for powder particles with various sizes (diameters). Dependence of gas impurities contamination on particles size was determined. Complex of these investigations allows confirming high quality of metal powders for additive manufacturing processes. In particular, minimal value of flow ability was determined as 14 sec while standard requirements for additive technologies are within 20 sec.
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