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Crystal grain refiner for magnesium alloy, containing aluminum, a method for preparing magnesium alloy, and magnesium alloy manufactured by same method

机译:用于含铝的镁合金的晶粒细化剂,镁合金的制备方法以及用该方法制造的镁合金

摘要

A grain refiner for a magnesium alloy according to the present invention contains aluminum (Al) and manganese (Mn), and contains a compound of aluminum (Al) and manganese (Mn) in the microstructure thereof, wherein the grain refiner is composed of a structure in which, in the compound of aluminum (Al) and manganese (Mn), the area of the compound having an Al/Mn compositional (atomic) ratio of 4-4.5 is larger than the area of the compound having an Al/Mn compositional (atomic) ratio of 5.5-6.5. When the grain refiner is added to molten magnesium, crystal grains can be refined to 50-100 μm.
机译:根据本发明的用于镁合金的晶粒细化剂包含铝(Al)和锰(Mn),并且在其微观结构中包含铝(Al)和锰(Mn)的化合物,其中所述晶粒细化剂由以下组成:在铝(Al)和锰(Mn)的化合物中,Al / Mn组成(原子)比为4-4.5的化合物的面积比具有Al / Mn的化合物的面积大的结构组成(原子)比为5.5-6.5。将晶粒细化剂添加到熔融镁中后,晶粒可以细化到50-100μm。

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