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20.C21C 1/10 CN85102192A 1985.4.1 重庆大学 球墨可锻铸铁玻璃模具的生产工艺 本生产工艺是将按一定化学成分配制的铁料熔成铁水,在铁水中加入稀土镁合金进行处理,同时加入少量的碲以调整激冷层的厚度,然后将处理后的铁水浇入具有激冷铁
20.C21C 1/10 CN85102192A 1985.4.1 Production process of ductile malleable cast iron glass mold of Chongqing University The production process is to melt a molten iron prepared according to a certain chemical composition into hot metal and add rare earth magnesium alloy to molten iron for treatment, Tellurium to adjust the thickness of the chilled layer, and then poured into the treated iron with chilled iron