【摘要】 就缸体和缸盖传统工艺条件下存在的问题进行了有益的综合分析，从国内外存在的差距中论述了铸铁成分、孕育处理和热疲劳性能等问题，并提出了提高缸体和缸盖铸铁件材质的措施。更多还原

【Abstract】 A comprehensive and valuable analysis was made on the existing problems of cylinder block and head under the conditions of traditional process. Based on the discrepancy of chinese works from some wo .s of other countries, the chemical composition, inoculation, thermal fatigue and so on were discussed,and then the measures to improve the metallurgical quality of cast iron fOr cylinder b1ock and head castings were proposed.更多还原