高综合性能球铁的研制  

Production of High Property Ductile Iron

作　　者：郭彩萍[1] 卢杉[1] 李蒙[1] 

机构地区：[1]焦作大学机电工程系,河南焦作454003

出　　处：《热加工工艺》2007年第13期33-34,37,共3页Hot Working Technology

基　　金：河南省自然科学基金资助项目(0511051300)

摘　　要：通过选用合理的化学成分,严格控制铁液硫、磷的含量,在铁液中适当加入Cu、Mo合金元素,选用低稀土球化剂,并使用盖包法球化处理工艺,采用复合孕育处理工艺,进行部分奥氏体化热处理,成功研制出高强度且具有较高韧性的球铁曲轴。Through selecting rational chemical component, controlling the contents of S and P in liquid iron, adding Cu and Mo element in liquid iron adequately, adopting low rare. earth nodulizer and using tundish-cover nodulizing process, adopting the compound inoculation technology as well as implementing part austenite heat treatment, the nodular iron crankshafts with high strength and toughness were developed.

关 键 词：球铁曲轴 化学成分 盖包法球化处理 部分奥氏体化 

分 类 号：TG255[金属学及工艺—铸造]