manufacturing method of low nickel recycling magnesium alloy using magnesium scrap

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PURPOSE : A low-Ni recycled Mg alloy manufacturing method using Mg scraps is provided to recycle the MG scraps by reducing the Ni content of an Mg-Ni alloy without using a vacuum distillation method or diluting molten Mg-Ni.CONSTITUTION : A low-Ni recycled Mg alloy manufacturing method using Mg scraps is as follows. The Mg scraps are dissolved. Al 1-2 wt% of Al and 1-2 wt% of misch metal are added into 100 wt% of the Mg scraps and stirred so that a Ni-Al-misch metal 3-phase alloy is formed. The mixture is processed for 10 minutes or an hour at a temperature of 700-800°C so that Ni-Al-misch metal 3-phase alloy precipitates and the floating matters are separated. A Ni recycled Mg alloy is casted by using the separated floating matters.COPYRIGHT KIPO 2013