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Method of manufacturing a metal powder made of magnesium-based metal particles containing a dispersed state of magnesium silicide particles
Method of manufacturing a metal powder made of magnesium-based metal particles containing a dispersed state of magnesium silicide particles
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机译：由包含分散状态的硅化镁颗粒的镁基金属颗粒制成的金属粉末的制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a metallic powder composed of magnesium-based metallic particles which have an approximately spherical shape, and have fine magnesium silicide grains with a particle diameter of 10 μm or smaller approximately uniformly dispersed therein; a method for easily and inexpensively producing the metallic powder; and a method for easily and inexpensively manufacturing automotive parts from the metallic powder.;SOLUTION: This method for producing the metallic powder comprises the steps of: storing a molten metal containing 90 to 95 mass% magnesium and 5 to 10 mass% silicon in a reservoir 22 under an inert gas atmosphere; holding it at a constant temperature; discharging the molten metal 32 from an outlet 28 opened in the reservoir 22 by increasing an internal pressure of the reservoir 22; and colliding a collision gas against the discharged molten metal 32. Thereby, the molten metal 32 is scattered and solidified into particles with an average diameter of 40 to 100 μm.;COPYRIGHT: (C)2007,JPO&INPIT
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