| Morphology and Precipitation Kinetics of MnS in Low-Carbon Steel During Thin Slab Continuous Casting Process |
| |
| 作者姓名： | YU Hao KANG Yong-lin ZHAO Zheng-zhi SUN Hao |
| |
| 作者单位： | [1]School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China [2]Jinan Iron and Steel Technical Center, Jinan Iron and Steel Group Co, Jinan 250101, Shandong, China |
| |
| 基金项目： | 国家自然科学基金
,
霍英东教育基金 |
| |
| 摘 要： | The morphology of manganese sulfide formed during thin slab continuous casting process in low-carbon steel produced by compact strip production （CSP） technique was investigated. Using transmission electron microscopy analysis, it was seen that a majority of manganese sulfides precipitated at austenite grain boundaries, the morphologies of which were spherical or close to the spherical shape and the size of MnS precipitates ranged from 30 nm to 100 nm. A mathematical model of the manganese sulfide precipitation in this process was developed based on classical nucleation theory. Under the given conditions, the starting and finishing precipitation temperatures of MnS in the continuous casting thin slab of the studied low-carbon steel are 1 189 ℃ and 1 171 ℃, respectively, and the average diameter of MnS precipitates is about 48 nm within this precipitation temperature range. The influences of chemical components and thermo-mechanical processing conditions on the precipitation behavior of MnS in the same process were also discussed.
|
| 关 键 词： | 薄板坯连铸 沉淀动力学 紧凑式带钢生产 TEM CSP 低碳钢 MnS |
| 收稿时间： | 2005-06-27 |
Morphology and Precipitation Kinetics of MnS in Low-Carbon Steel During Thin Slab Continuous Casting Process |
| |
| YU Hao KANG Yong-lin ZHAO Zheng-zhi SUN Hao.Morphology and Precipitation Kinetics of MnS in Low-Carbon Steel During Thin Slab Continuous Casting Process[J].Journal of Iron and Steel Research,2006,13(5):30-36. |
| |
| Authors: | YU Hao KANG Yong-lin ZHAO Zheng-zhi SUN Hao |
| |
| Affiliation: | 1. Department of Materials Science, Montanuniversität Leoben, Franz-Josef-Strasse 18, 8700 Leoben, Austria;2. voestalpine Stahl GmbH, voestalpine-Strasse 3, 4020 Linz, Austria;3. Institute of Materials Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Straße 1, 21502 Geesthacht, Germany |
| |
| Abstract: | The morphology of manganese sulfide formed during thin slab continuous casting process in low-carbon steel produced by compact strip production (CSP) technique was investigated. Using transmission electron microscopy analysis, it was seen that a majority of manganese sulfides precipitated at austenite grain boundaries, the morphologies of which were spherical or close to the spherical shape and the size of MnS precipitates ranged from 30 nm to 100 nm. A mathematical model of the manganese sulfide precipitation in this process was developed based on classical nucleation theory. Under the given conditions, the starting and finishing precipitation temperatures of MnS in the continuous casting thin slab of the studied low-carbon steel are 1 189 ℃ and 1 171 ℃, respectively, and the average diameter of MnS precipitates is about 48 nm within this precipitation temperature range. The influences of chemical components and thermo-mechanical processing conditions on the precipitation behavior of MnS in the same process were also discussed. |
| |
| Keywords: | morphology thin slab continuous casting precipitation kinetics compact strip production TEM |
| 本文献已被 CNKI 维普 万方数据 ScienceDirect 等数据库收录！ |
|
