摘要
利用透射电镜和能谱分析仪对２０ＭｎＶＢ钢中的碳氮化物析出相进行了研究。结果表明，该钢中的碳氮化物析出相为面心立方结构的Ｖ－Ｔｉ复合碳氮化物（ＴｉｘＶ１－ｘ）ＣＮ。其中Ｖ和Ｔｉ的浓度比值（Ｃｖ／ＣＴｉ）随析出温度升高而降低。析出相的形貌为球形或方形，随析出温度的升高（８６０～１０７０℃），析出相的尺寸增大，数量减少。
The carbonitride precipitate phase of 20MnVB steel has been investigated by means of TEM and EADX.The results show that the precipitate phase in 20MnVB steel is V Ti complex carbonitride (T i x V 1-x )CN which has a fcc structure,and the concentration ratio of V and Ti( C v/ C Ti ) decreases with the increase of precipitation temperature.The morphologies of precipitate phase are spherical and cubic.With the increase of precipitation temperature,the size of precipitate phase particles increases and its amount decreases.
出处
《金属热处理》
CAS
CSCD
北大核心
1999年第4期16-18,21,共4页
Heat Treatment of Metals
基金
冶金部基础研究项目
