Process for additive manufacturing of parts by melting or sintering particles of powder(s) using a high-energy beam with powders adapted to the targeted process/material pair
作者： Laetitia Kirschner , Christophe Colin
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摘要: A method of fabricating parts out metallic, intermetallic, ceramic, ceramic matrix composite, or metal composite material with discontinuous reinforcement, includes melting sintering powder particles by means a high-energy beam. The used is single that present sphericity lying in the range 0.8 to 1.0 and form factor 1 √2, each particle presenting substantially identical mean composition, grain size distribution narrowed around diameter value d50% such manner that: (d90%−d50%)/d50%≦0.66; (d50%−d10%)/d50%≦0.33; “span”: (d90%−d10%)/d50%≦1.00.
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