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球墨铸铁中加入一定量的铜对性能进行调整是常用的方法,在加入比较小量的情况下,对球墨铸铁已有的力学性能和铸造性能没有影响,对局部性能有促进作用或稳定作用时,具有比较实用的意义。
Ductile iron by adding a certain amount of copper to adjust the performance of the commonly used method, adding a relatively small amount of the existing ductile iron mechanical properties and casting performance has no effect on the local performance promotion or stabilizing effect , With more practical significance.