（レーザー関連）広島大学／Researchers find a way to 3D print one of industry’s hardest engineering materials

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The approach uses 3D printing to produce WC–Co cemented carbides—ultra-hard materials used in cutting and construction tools—while reducing the waste and cost of conventional manufacturing.

Tungsten carbide–cobalt (WC–Co) is prized for its hardness, but that same property makes it unusually difficult to shape. The current process is wasteful and expensive for the yield produced, and an economically sensible method for creating these materials is long overdue.