利用热力学计算和Schiel凝固方程对于硫化物的析出进行计算模拟,最后利用金相组织证实MnS的析出规律.结果表明钢中MnS析出物是在钢凝固温度以下,锰及硫在晶界处偏析富集,[Mn][S]反应平衡发生移动而生成的.热力学计算和Schiel方程得出析出量随着温度的降低而逐渐增加.最后结合金相组织能谱,说明MnS,CaS共生出现,且温度降低MnS析出量增多.
参考文献
| [1] | B Mintz;J J Jonas .Hot ductility of steels and its relationship to the problem of transverse cracking during continous casting[J].International Materials Reviews,1991,36(05):202. |
| [2] | 霍向东,柳得橹,王元立,柏明卓,康永林.CSP工艺生产的低碳钢中纳米尺寸硫化物[J].钢铁,2005(08):60-64. |
| [3] | 刘新宇,王新华,王万军,张丽珠,周有预.低应变速率下锰硫比对低碳钢高温塑性的影响[J].北京科技大学学报,2000(05):427-430. |
| [4] | Mintz R;Abu-Shosha;M shaker .Influence of deformation induced ferrite,grain bounddary sliding and dynamic recrystalisation on the hot ductility of 0.1-0.75%C steel[J].Materials Science and Technology,1993,9:907-914. |
| [5] | Roman Diederichs;Gerhard Pariser .Modelling of Manganese Sulphide Formation during Solidification,Part 2:Correlation of Solification and MnS Formation Streel Reserch int[J].,2006,77(04):256-265. |
| [6] | 低碳高硫磷钢硫化物凝固析出的热力学分析[J].宝钢技术,2005(05):60-65,68. |
| [7] | 黄希钴.钢铁冶金原理[M].北京:冶金工业出版社:55. |
| [8] | Yaguci H .Manganese Sulfide Precipitation in Low-carbon Rcsulfurized Free-machining Steel[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1986,17A:2080-2083. |
| [9] | 宋维锡.金属学[M].北京:冶金工业出版社:251. |
| [10] | M C M Cornelissen .Mathematical model for solidification of Multicomponent alloys[J].Ironmaking and Steelmaking,1986,13(04):204-212. |
| [11] | 韩志强 .连铸板坯内裂纹形成的数学模型研究[D].北京科技大学,2000. |
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%