Amorphous metal, or metallic glass, is a solid metal material with a disordered atomic-scale structure, not dissimilar to conventional glass. The material is not like the glass you see in windows, but because of its atomic structure, metallic glass can be up to three times as strong as conventional metal alloys, which are made up of very ordered, crystalline atom structures. Two years ago, two companies developed a way to 3D print amorphous metal components, and researchers from North Carolina State University (NC State) recently published research in this area, but with one major difference – they can 3D print metallic glass alloys in bulk. Zaynab Mahbooba, a PhD student in NC State’s Department of Materials Science and Engineering, explained, “Metallic glasses lack the crystalline structures of most metals – the amorphous structure results in exceptionally desirable properties. “The idea of using additive manufacturing, or 3-D printing, to produce metallic glass
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