From what we can gather, researchers from the National University of Science and Technology (NUST) have produced an ultrahigh-purity alumina, which can be used in 3D-printed aluminum to double its strength. This technology will move the lighter aluminum to within a third of the strength of heavier titanium material.
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Russian Scientists Double 3D-Printed Aluminum Strength

Source: MISIS
February 21, 2019
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