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Original scientific paper

3D printing conditions determination for feedstock used in fused filament fabrication (FFF) of 17-4PH stainless steel parts

J. Gonzalez-Gutierez ; Polymer Processing, Montanuniversitaet Leoben, Austria
D. Godec ; Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Croatia
R. Guráň ; Polymer Processing, Montanuniversitaet Leoben, Austria
M. Spoerk ; Polymer Processing, Montanuniversitaet Leoben, Austria
C. Kukla ; Industrial Liaison, Montanuniversitaet Leoben, Austria
C. Holzer ; Polymer Processing, Montanuniversitaet Leoben, Austria


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Abstract

Fused filament fabrication combined with debinding and sintering could be an economical process for 3D printing of metal parts. In this study, compounding, filament making and FFF processing of a feedstock material containing 55 vol. % of 17-4PH stainless steel powder and a multicomponent binder system are presented. For the FFF process, processing windows of the most significant parameters, such as range of extrusion temperatures (210 to 260 °C), flow rate multipliers (150 to 200 %), and 3D printing speed multipliers (60 to 100 %) were determined for a constant printing bed temperature of 60 °C.

Keywords

stainless steel; powder; additive manufacturing (AM); FFF; scanning electron microscopy (SEM)

Hrčak ID:

189379

URI

https://hrcak.srce.hr/189379

Publication date:

1.1.2018.

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