V-N微合金钢的C含量(质量分数)在0.05%-0.30%范围内变化时,V(C,N)在铁素体中析出开始时间随温度降低单调增加.实验得到的开始析出点是在750 ℃时的10 s左右,含C量不同的4种钢得到的形核率-温度(NrT)曲线和析出-温度-时间(PTT)曲线单调变化的趋势相同.热力学与动力学计算得到的不同C含量钢中的V(C,N)形核驱动力非常接近,其NrT和PTT曲线随C含量无明显变化.实验与计算均证实,实验钢的C含量在0.05%-0.30%范围内变化时,V(C,N)在铁素体中的析出动力学无明显差异.
参考文献
| [1] | Zhu J Z,Wang T,Zhou S H,Liu Z K,Chen L Q.Acta Mater,2004:52:833 |
| [2] | Seol D J,Hu S Y,Li Y L,Shen J,Oh K H,Chen L Q.Acta Mater,2003:51:5173 |
| [3] | Robson J D,Bhadeshia H K D H.Mater Sci Technol,1997;13:640 |
| [4] | Kampmann R,Wagner R.In:Haasen P,Gerold V,Wagner R,Ashby M F eds.,Decomposition of Alloys:the Early Stages,Oxford:Pergamon Press,1984:91 |
| [5] | Yong Q L,Ma M T,Wu B R.Microalloyed Steel-Physical and Mechanical Metallurgy.Beijing:China Machine Press,1989:47(雍歧龙,马鸣图,吴宝榕.微合金钢-物理和力学冶金.北京:机械工业出版社,1989:47) |
| [6] | Svoboda J,Fischer F D,Fratzl P,Kozeschnik E.Mater Sci Eng,2004:A385:166 |
| [7] | Senuma T.ISIJ Int,2002:42:1 |
| [8] | Quispe A,Medina S F,Gomez M,Chaves J I.Mater Sci Eng,2007:A447:11 |
| [9] | Lee W B,Hong S G,Park C G,Kim K H,Park S H.Scr Mater,2000:43:319 |
| [10] | Koyama S,Ishii T,Narita K.J Jpn Inst Met,1973:37:191 |
| [11] | Hudd R C,Jones A,Kale M N.JISI,1971:209:121 |
| [12] | Yong Q L.Secondary Phases in Steels.Beijing:Metallurgical Indutry Press,2006:396(雍岐龙.钢铁材料中的第二相.北京:冶金工业出版社,2006:396) |
| [13] | Zhang L,Xue C X,Yang W Y,Sun Z Q.Acta Metall Sin,2007:40:791(张玲,薛春霞,杨王玥,孙祖庆.金属学报,2007;40:791) |
| [14] | Robson J D.Acta Mater,2003:52:4669 |
| [15] | Kamp N,Sullivan A,Tomasi R,Robson J D.Acta Mater,2006:54:2003 |
| [16] | Zhang Y J.PhD Thesis,Central Iron and Steel Research Institute,Beijing,2008(张英建.钢铁研究总院博士学位论文,北京,2008) |
| [17] | Robson J D,Jones M J,Prangnell P B.Acta Mater,2004;51:1453 |
| [18] | Khan I N,Starink M J,Yan J L.Mater Sci Eng,2008;A472:66 |
| [19] | Zajac S.Mater Sci Forum,2005:500:75 |
| [20] | Lagneborg R,Zajac S.Metall Mater Trans,2001:32A:39 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%