某船用2.25Cr1Mo钢中P-Mo的晶界共偏聚研究  

Study of Mo Co-segregated with P at Grain Boundary in 2.25Cr1Mo Steel

作　　者：魏国亮[1] 周海军[1] 葛仁超[1] 

机构地区：[1]驻哈尔滨汽轮机厂有限责任公司代表室,哈尔滨150046

出　　处：《机械工程师》2007年第12期18-19,共2页Mechanical Engineer

摘　　要：P元素在晶界的偏聚被认为是导致钢回火脆性的一个重要的原因。Mo作为合金元素会减轻钢的回火脆性。然而,通过对晶界处元素的俄歇测定发现,2.25Cr1Mo钢中P与Mo在晶界处存在共偏聚现象。It has been considered that the segregation of P at grain boundary is one of the important reasons for temper embrittlement of steels. As a salutary alloy element, the addition of Mo can alleviate temper embrittlement of steels. However, observed by Auger electron spectroscope, it were founded that Mo co-segregated with P at grain boundary in 2.25Cr1Mo.

关 键 词：2.25Cr1Mo 晶界 共偏聚 

分 类 号：TG151[金属学及工艺—热处理]