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flag Hiroshima University engineers created a precise 3D printing method for ultra-hard tungsten carbide–cobalt, enabling complex, durable parts for aerospace, construction, and medical use.

flag Engineers at Hiroshima University have developed a new 3D printing method for tungsten carbide–cobalt (WC–Co), a material harder than most steels, achieving over 1,400 on the Vickers hardness scale. flag The technique uses pre-heated wire and laser irradiation without fully melting the metal, reducing waste and preserving structural integrity. flag It enables precise, complex shapes for applications in aerospace, construction, and medical implants. flag The study is set to be published in April 2026.

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