球铁与铸钢的抗热疲劳性能的比较  

THE STUDY OF THERMAL FATIGUE RESISTANCE OF SPHEROIDAL GRAPHITE CAST IRON AND CAST STEEL

作　　者：张志霞[1] 王宁[1] 张妍[1] 青山[1] 

机构地区：[1]内蒙古工业大学材料科学与工程学院,呼和浩特010062

出　　处：《内蒙古工业大学学报（自然科学版）》2004年第1期32-35,共4页Journal of Inner Mongolia University of Technology：Natural Science Edition

摘　　要：本文研究了铁素体球铁、ZG20和ZG20CrMo的抗热疲劳性能.试验结果表明:ZG20CrMo的抗热疲劳性能最佳,ZG20的抗疲劳性能次之,铁素体球铁的抗热疲劳性能较差,合金元素的加入显著提高了铸钢的抗热疲劳性能.Thermal fatigue resistances of ferritic spheroidal graphite iron (S.G.iron),cast steel and cast alloy steel are investigated by experimentation.Results show that the thermal fatigue resistance of alloy cast steel is better than that of cast steel and ferritic S.G.iron.Conclusion is drawn that alloying enhances thermal fatigue resistance of cast steel remarkably.

关 键 词：球墨铸铁 ZG20 ZG20CrMo 抗热疲劳性 

分 类 号：TG14[一般工业技术—材料科学与工程]