碳饱和熔铁中钛溶解度的实验研究.PDFVIP

30 5 ( ) V ol 30 N o5 2005 10 Journal ofK unm ing U n iversity of Sc ience and T echnology ( Sc ience and T echnology) Oct 2005 丁跃华, 杨晓源, 普靖中, 朱红波, 李新生 ( , 650093) : 利用过饱和析出法和热力学, 研究了多元体系熔铁中T i的溶解度 结果表明, 熔铁中与T i ( C, N ) 平 的T i溶解度值远小于与 T iC平 的 T i溶解度值, T i在铁液中的溶解度与温度近似 成线性正比关系, T i溶解度与N 分压成反比关系, 采用现有的热力学数据计算的T i溶解度值要 2 略低于实验值, 但变化规律一致 随着 T i( C, N ) 在铁液中的形成, 铁液粘度增大 : 熔铁; T i溶解度 : TF5 11 : A : 1007 - 855X ( 2005) 05 - 0020 - 05 Study on Solubility of Titanium inM olten Iron Saturated with Carbon D ING Y ue-hua, YA NG X ai o-yua n, PU J ing-zhong, ZHU Hong-bo, L IX in-sheng ( F acu lty of M a teria ls and M eta llurg ica l Eng ineer ing, Kunm ing U n iversity o f Sc ience and T echno logy, K unm ing 65009 3, Ch ina) Abstract: The so lub ility of titanium in m ult i- component m o lten iron system h as been investigated w ith sup er- saturation precip itation m ethod and therm odynam ics calcu lation Expermi enta l results ind icate th at the solubility of titanium b a lanced w ith T i( C, N ) in hot m etal ism u ch less th an th at of b alanced w ith T iC, and it is d irect ratio of approx mi ate ly positive linear w ith tem p erature whereas it is inverse ratio w ith n itrogen partial pressure C alcu- lated titan ium solubility is slight ly less th an th at of the expermi ents, how ever, both show the sam e p attern s as the com ponen ts and tem peratures ch ange W ith the form ation o f T i( C, N) , the v iscosity of m o lten iron increases K ey words: m o lten iron; titanium so lub ility 0 20 80 , , [ 1, 2 ] [ 3 ~ 5 ] , , , Y un L i