在实验室条件下考查了Al含量对含钛430不锈钢的Ti/Al夹杂物的影响,发现随着Al含量增加,夹杂物尺寸增加,并且从含Al高的钢样中观察到了Ti2O3与Al2O3固溶体;通过计算Ti2O3与Al2O3之间的错配度,证明了Ti2O3很容易依附于Al2O3形核,为了防止大颗粒夹杂物的生成,从热力学角度分析了Al对含钛氧化物形成的影响,通过计算Al-Ti-O平衡关系,提出了最佳[Ti]/[Al].
参考文献
| [1] | Hiroyuki MATSUURA;Cong WANG;Guanghua WEN .The Transient Stages of Inclusion Evolution During Al and/or Ti Additions to Molten Iron[J].ISIJ International,2007(9):1265-1274. |
| [2] | Hasegawa Morihiro;Manihashi Shigealy;ICamidate Yoshioki et al.Tundish nozzle constriction in continuous castling of titanium bearing stainless stcel slabs[J].Tetsu To Hagane-Journal of the Iron and Steel Institute of Japan,1984,70(14):4-11. |
| [3] | 张贺佳,陈伟庆,吴狄峰,郑宏光.含钛铁素体不锈钢连铸浸入式水口结瘤机理研究[J].钢铁钒钛,2010(02):63-66,76. |
| [4] | Hiroki OHTA;Hideaki SUITO .Thermodynamics of Aluminum and Manganese Deoxidation Equilibria in Fe-Ni and Fe-Cr Alloys[J].ISIJ International,2003(9):1301-1308. |
| [5] | Jong-Oh Jo;Joong-Beom Lee;Sun-In Kim.Thermodynamics of titanium,nitrogen and oxygen in liquid stainless steels[A].Watrendale,PA,USA:Minerals,Metals and Materials Society,2006:185-198. |
| [6] | BRAMFITT B L.The effect of carbide and nitride additions on the heterogeneous nucleation behavior of liquid Iron[J].Metallurgical and Materials Transactions,1970(01):1987-1995. |
| [7] | Zhongting MA .Caharacteristics of Oxide Precipitation and Growth during Solidification of Deoxidized Steel[J].ISIJ International,1998(1):46-52. |
| [8] | 施晓芳,成国光,赵沛.430铁素体不锈钢中Ti2O3+TiN复合核心形成的热力学研究[J].北京科技大学学报,2010(10):1277-1281. |
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%