低合金耐热钢的高温球化过程研究  

Research on Low Alloy Heat-resistant Steels in the Process of High Temperature Spheroidization

作　　者：王海芳[1] 王引真[1] 石志强[1] 姚海玉[1] 王玮[1] 

机构地区：[1]石油大学(华东)机电工程学院,山东东营257061

出　　处：《压力容器》2005年第12期12-16,7,共6页Pressure Vessel Technology

摘　　要：以10CrMo910、13CrMo44为研究对象,进行了在不同温度与不同保温时间的高温球化模拟试验,分析了试验后试样的显微组织演变和珠光体球化的原因。结果表明:温度和保温时间对球化的影响非常显著。10CrMo910比13CrMo44球化速度快,但随着温度的升高,10CrMo910球化速度呈明显的下降趋势,说明10CrMo910在高温下更稳定。球化是个扩散过程,在一定温度下的球化过程进行是需要时间的。该结果可为选材和球化后的设备能否继续服役提供一定的参考依据。This paper mainly approaches the qualities in spheroidization of low alloy heat - resistant steels like 10CrMo910 and 13CrMo44 upon series of experiments under different temperatures and heat - preservation time. The results showed that temperatures and heat - preservation time have great influence on spheroidization. With the elevation of temperature the spheroidizations of 13CrMo44 and 10CrMo910 massively slow down. This results showed that temperatures and heat - preservation time have great influenee on spheroidization, steels and 10CrMo910 is very steady in the high temperature. At the eertain temperature the process spheroidization need time to finish, The eonelusion above sets a standard in ehoosing materials and measuring the applieability of spheroidized equipment.

关 键 词：耐热钢 殊光体球化 时效 

分 类 号：TG14[一般工业技术—材料科学与工程]