硅在分级淬火生产贝氏体球铁工艺中的作用  

Effects of Silicon in Stepped Quenching Bainite Ductile Iron

作　　者：徐杨[1] 魏德强[2] 周世康 

机构地区：[1]中国农业大学机械工程学院,北京清华东路17号100083 [2]黑龙江八一农垦大学

出　　处：《中国农业大学学报》1996年第6期57-61,共5页Journal of China Agricultural University

摘　　要：研究了采用分级淬火工艺生产贝氏体球铁时硅对相变组织及机械性能的影响，发现硅对贝氏体有诱发相变作用，从而可细化组织，提高机械性能，并对此作了理论分析。The effects of silicon on structures,mechanical properties and phase transi-tion dynamics of stepped quenching bainite ductile iron is studied. It is found that the transition in bainite ductile iron can be brought out by silicon, and thus the structure with good mechanical properties can be obtained. The theoretical analysis of this impor-tant effect is described.

关 键 词：元素硅 球墨铸铁 分级淬火 贝氏体球铁 诱发相变 

分 类 号：TG143.5[一般工业技术—材料科学与工程]