Dynamic Continuous Cooling Transformation Behavior of A Novel Cu-bearing Pipeline Steel
文献类型：期刊论文
| 作者 | Shi, Xianbo1,2; Yan, Wei1; Wang, Wei1; Yang, Zhenguo1; Shan, Yiyin1; Yang, Ke1 |
| 刊名 | ISIJ INTERNATIONAL
 |
| 出版日期 | 2016 |
| 卷号 | 56期号:12页码:2284-2289 |
| 关键词 | pipeline steel copper addition continuous cooling transformation microstructure Cu precipitation |
| ISSN号 | 0915-1559 |
| DOI | 10.2355/isijinternational.ISIJINT-2016-286 |
| 通讯作者 | Yang, Ke(kyang@imr.ac.cn) |
| 英文摘要 | Study on continuous cooling transformation (CCT) behavior is an essential issue before thermo-mechanical processing for a new steel. In this study, dynamic CCT characteristics and microstructural evolution of a novel Cu-bearing pipeline steel with different Cu content (1.06%, 1.46% and 2.00%) were investigated by means of a combined method of dilatometry and metallography. The microstructure developed at a cooling rate range of 0.05 to 30 degrees C/s consisted of pearlite, polygonal ferrite, quasi-polygonal ferrite and acicular ferrite. More Cu addition could lower the transformation temperature for austenite to ferrite and lead to an increase in the driving force for the acicular ferrite transformation, resulting in a full acicular ferrite for 2.0 Cu steel at cooling rate above 2 degrees C/s. The precipitation behavior of Cu-rich phase during continuous cooling showed that Cu precipitation could occur in the acicular ferrite, which made a hardness peak on the hardness vs cooling rate curve of 2.0Cu steel at the cooling rate of 2 degrees C/s. However, no Cu precipitate was detected in the acicular ferrite at higher cooling rate for 2.0 Cu steel. Higher supersaturation of Cu in austenite and a short incubation period of Cu-rich phase precipitation were assumed to allow the Cu precipitation to occur in the auto-aging after acicular ferrite transformation. |
| 资助项目 | National Key Technologies R&D Program of China[2011BAE25B03] ; National Natural Science Foundation of China[51271175] |
| WOS研究方向 | Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000390733000023 |
| 出版者 | IRON STEEL INST JAPAN KEIDANREN KAIKAN |
| 资助机构 | National Key Technologies R&D Program of China ; National Natural Science Foundation of China |
| 源URL | [http://ir.imr.ac.cn/handle/321006/123423]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Yang, Ke |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shi, Xianbo,Yan, Wei,Wang, Wei,et al. Dynamic Continuous Cooling Transformation Behavior of A Novel Cu-bearing Pipeline Steel[J]. ISIJ INTERNATIONAL,2016,56(12):2284-2289. |
| APA | Shi, Xianbo,Yan, Wei,Wang, Wei,Yang, Zhenguo,Shan, Yiyin,&Yang, Ke.(2016).Dynamic Continuous Cooling Transformation Behavior of A Novel Cu-bearing Pipeline Steel.ISIJ INTERNATIONAL,56(12),2284-2289. |
| MLA | Shi, Xianbo,et al."Dynamic Continuous Cooling Transformation Behavior of A Novel Cu-bearing Pipeline Steel".ISIJ INTERNATIONAL 56.12(2016):2284-2289. |
入库方式： OAI收割
来源：金属研究所
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