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MAGNESIUM ALLOY MANUFACTURING DEVICE AND A METHOD THEREOF CAPABLE OF REFINING A MAGNESIUM ALLOY MICROSTRUCTURE BY APPLYING A PULSE WAVE CURRENT TO THE MAGNESIUM ALLOY MICROSTRUCTURE
MAGNESIUM ALLOY MANUFACTURING DEVICE AND A METHOD THEREOF CAPABLE OF REFINING A MAGNESIUM ALLOY MICROSTRUCTURE BY APPLYING A PULSE WAVE CURRENT TO THE MAGNESIUM ALLOY MICROSTRUCTURE
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机译：镁合金制造装置及其方法，通过向镁合金微结构施加脉冲波，可以改善镁合金的微结构
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PURPOSE: A magnesium alloy manufacturing device and a method thereof are provided to refine a magnesium alloy microstructure without changing the corrosion characteristic of molten magnesium and a mechanical property.;CONSTITUTION: A magnesium alloy manufacturing device (10) comprises a crucible (100), an electric furnace (300), a mixed gas supplying unit (200), and a current pulse supply unit (400). The current pulse supply unit applies a pulse wave current to molten magnesium or to the crucible. The crucible is composed of a steel material. The current pulse supply applies the pulse wave current by using a first electrode (410) which is dipped into the molten magnesium (20) and a second electrode (420) which is connected to the crucible. The frequency is set to be less than 100Hz, and the duration of the pulse wave current is set to be more than 1%.;COPYRIGHT KIPO 2013;[Reference numerals] (200) Mixed gas supplying unit; (300) Electric furnace; (400) Current pulse supply unit
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