采用金相、扫描电镜和能谱仪等手段,研究了稀土在430铁素体不锈钢的作用及作用机理,研究结果表明,稀土通过缩小柱状晶区域及细化柱状晶,扩大中心等轴晶区域及细化中心等轴晶,可提高冷轧板薄板成型性能;稀土改善夹杂物形貌、变性夹杂物组分,提高了430铁素体不锈钢冲击性能;稀土促进Cr和Mn元素在氧化层的富集,使氧化层致密,氧化层与基体的粘附性增强,大幅度提高了430铁素体不锈钢抗高温氧化性能.
参考文献
| [1] | A. Katsumata;H. Todoroki .Effect of Rare Earth Metal on Inclusion Composition in Molten Stainless Steel[J].Iron & Steelmaker,2002(7):51-57. |
| [2] | Sweden Avesta polarit stainless .Steel Properties,Grades[EB/OL].http://www.outokumpu,com/apphcations/documents/start-netscape,asp,2007-11-27. |
| [3] | Sung-Ik Shim;Yong-Soo Park et al.Effects of rare earth meals addition and aging treatment on the corrosion resistance and mechanical properties of super duplex stainless steels[J].Metals and Materials International,2002,8(03):301-307. |
| [4] | 陆世英 .现代铁素体不锈钢发展[J].不锈,2004,23(02):1. |
| [5] | 陆世英;张廷凯;杨长强.不锈钢[M].北京:原子能出版社,1995 |
| [6] | 王龙妹,杜挺,卢先利,李正邦,盖玉春.稀土元素在钢中的热力学参数及应用[J].中国稀土学报,2003(03):251-254. |
| [7] | Longrnei Wang;Qin Lin;Jingwen .New study concerning development of application of rare earth metals in steels[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2006(0):384-386. |
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%