日本日信工业公司最近试验成功了一种新的铝制品铸造法,能大大缩短铝铸件的凝固时间,同时又减少二氧化碳的排出量。 该公司最近向媒体公布的一份新产品信息说,新的铝铸造技术名叫“还原铸造法”,其特点是在向模具浇注铝熔液之前,把镁和氮的气态化合物作为还原剂吹进去,模具可在常温下使用。 铸造铝制品的方法目前主要有重力铸造法和压铸法两种。前者为了把铸造时的氧化膜控制到最小 Japan’s Nissin Industries recently successfully tested a new aluminum casting method that drastically reduces the setting time of aluminum castings while reducing carbon dioxide emissions. The company recently announced to the media a new product information, said the new aluminum casting technology called “reduction casting method”, which is characterized by pouring molten aluminum before the mold, the gaseous compounds of magnesium and nitrogen as a blowing agent Into the mold can be used at room temperature. At present, there are two methods for casting aluminum products: gravity casting method and die casting method. The former in order to control the casting of the oxide film to a minimum