HIGHLY SUSTAINABLE ADDITIVE MANUFACTURING INCONEL 718 POWDER FROM RECYCLED SOURCES

Matteo VANAZZI, Mattia CABRIOLI, Luisa E. MONDORA, Alex GIORGINI, Matteo PERINI, Sasan AMIRABDOLLAHIAN

Abstract


Metal Additive Manufacturing aims to revolutionize the manufacturing industry due to the unmatched freedom of design and the printing of just in time components. Furthermore, AM appears to be a more environmentally friendly solution despite the high impact of the feedstock material. In this work, we report about a novel approach to produce high-quality metal feedstock from secondary sources. Inconel 718 powder has been produced starting from leftovers, failed prints, and disqualified AM feedstock. The input materials have been pre-processed and gas atomized to be converted into powder. The powder has been characterized to evaluate relevant properties, to be compared to industrial benchmarks. Finally, the powder has been used to manufacture components by Laser Direct Energy Deposition.

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References


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