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NUST MISiS doubles the strength of 3D printed aluminum

Written by Paul

October 9, 2018

3D printed titanium components are favored in aerospace, medical and automotive industries for their high strength to weight ratio . However, a new metal powder composition from the Russian National University of Science and Technology (NUST) MISiS aims to match these properties with components made from aluminum. In a recent study, published online in the journal S ustainable Materials and Technologies , NUST MISiS researchers detail the production of an ultrahigh-purity alumina (UHPA), that doubles the strength of 3D printed aluminum composites. A knot sample 3D printed prom UHPA powder. Photo via NUST MISiS Additive manufacturing using ultrahigh-purity alumina The NUST MISiS team’s research uses aluminum granules with a purity of 99.7%. Via oxidation, alkali and acid treatment and thermal calcination at 1450 °C, the granules are turned into an aluminum hydroxide. At each stage of the process, researchers take a reading of the oxide’s impurities, particularly iron and […]

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