【摘要】 探讨了在砂型连续冷却条件下获得的铸态奥氏体－贝氏体球铁的组织特点，断口特征和力学性能。结果表明，这种球铁具有优良的综合力学性能，是一种很好的新型抗磨材料。更多还原

【Abstract】 The structural characteristics,fracture features and mechanical properties of as-cast austenite and bainite ductile cast iron obtainedby contionous cooling in cast condition have been studiedand the results show that this ductile cast iron has good mechanical properties and is a new abrasive resistant material更多还原