This paper states through experements,alloy Of RE-Si may be promate graphitizatio-prccess of malleable cast iron by means of its addition to the original molten iron .

　
英 美
  • 提出在可鍛鑄鐵的生產(chǎn)過(guò)程中,爐前使用稀土硅鐵,鋁及鉍等微量元素進(jìn)行孕育處理,能促進(jìn)滲碳體的分解,加速石墨化過(guò)程,縮短退火周期。
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