These results were compared with chilled and WC coated cast irons,which illustrates that localized remelting hardening is a new surface trearment with full use of potential capacity of cast iron.
通过实验，对铸铁局部钨极氩弧重熔强化原理进行了探讨，找出了电弧电流、熔化速度等工艺参数对金相组织和性能的影响规律，并分析了合金元素的强化作用。
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