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提出了用气化模铸造型内球化处理生产球铁铸件的方法及其工艺要点。试验表明，只有合理选择各项工艺因素，才可获得细小圆整的石墨球，保证基体中含珠光体达８０％以上
The method and process of producing ductile iron castings by gasification molding are put forward. Tests show that only a reasonable choice of the various process factors, can get small rounded graphite ball to ensure that the matrix containing pearlite more than 80%