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Additive manufacturing surface. Coloured scanning electron micrograph (SEM) of sintered beads of pure titanium on the fracture surface of a metal component. Sometimes confused with 3D printing, additive manufacture is used to form high strength metal components by using a high energy computer guided laser to sinter together metal powders made up of tiny beads. These beads are on an unfinished surface, which would typically be precision machined to a smooth surface once the initial component is created layer by layer. Image width is 155 microns.
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