利用热模拟机Gleeble-3500在温度Ae3-Ar3之间对低碳钢进行了形变诱导铁素体相变的实验研究,其应力-时间曲线表明,形变诱导铁素体相变在很短时间内转变完全,碳(C)得不到充分扩散.电子探针分析表明,诱导铁素体相中C含量远高于常规铁素体中的C含量.扫描电子显微镜分析表明,由于C含量的过饱和导致诱导铁素体是一种非稳定状态的过渡相,在回火过程中,诱导铁素体相中过饱和C将扩散逸出而最终向稳态铁素体相转变,其硬度随之降低.
参考文献
| [1] | Yang Z M,Wang R Z.ISIJ Int,2003; 43:761 |
| [2] | Priestner R,Hodgson P D.Mater Sci Technol,1992; 8:849 |
| [3] | Matsumura Y,Yada H.Trans Iron Steel Inst Jpn,1987;27:492 |
| [4] | Hodgson P D,Hickson M R,Gibbs R K.Scr Mater,1999;40:1179 |
| [5] | Hurley P J,Hodgson P D,Muddle B C.Scr Mater,1999; 40:433 |
| [6] | Hodgson P D,Hickson M R,Gibbs R K.Mater Sci Forum,1998; 284:63 |
| [7] | Choo W Y,Kor J.Inst Met Mater,1998; 36:1966 |
| [8] | Hong S C,Lim S H,Lee K J,Shin D H,Lee K S.ISIJ Int,2003; 43:394 |
| [9] | Hong S C,Lee K S.Mater Sci Eng,2002; A323:143 |
| [10] | Li C M,Yada H,Yamagata H.ISIJ Int,1999; 39:209 |
| [11] | Hickson M R,Gibbs R K,Hodgson P D.ISIJ Int,1999;39:1176 |
| [12] | Yang W Y,Qi J J,Sun Z Q,Yang P.Acta Metall Sin,2004; 40:135(杨王玥,齐俊杰,孙祖庆,杨平.金属学报,2004;40:135) |
| [13] | Liu Z X,Tong M M,Huang C J,Li D Z.Acta Metall Sin,2004; 40:930(刘朝霞,佟铭明,黄成江,李殿中.金属学报,2004;40:930) |
| [14] | Christian J W.The Theory of Transformations in Metal and Alloys.Oxford:Pergamon,1981 |
| [15] | Hillert M.Metall Trans,1975; 6A:5 |
| [16] | Lan Y J.Ph.D Theses,Institute of Metal Research,Chinese Academy of Sciences,Shenyang,2005:(兰勇军.中国科学院金属研究所博士学位论文,沈阳,2005) |
| [17] | Weng Y Q.Ultrafine Grained Steel.Beijing:Metallurgical Industry Press,2003:119(翁宇庆.超细晶钢.北京:冶金工业出版社,2003:119) |
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%