CSP生產600MPa級低碳貝氏體鋼的相變

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CSP生產600MPa級低碳貝氏體鋼的相變

黎先浩, 康永林, 陳林恒, 焦國華, 溫德智

文章導航 > 工程科學學報 > 2009 > 31(6): 701-707

黎先浩, 康永林, 陳林恒, 焦國華, 溫德智. CSP生產600MPa級低碳貝氏體鋼的相變[J]. 工程科學學報, 2009, 31(6): 701-707. doi: 10.13374/j.issn1001-053x.2009.06.016

引用本文:

黎先浩, 康永林, 陳林恒, 焦國華, 溫德智. CSP生產600MPa級低碳貝氏體鋼的相變[J]. 工程科學學報, 2009, 31(6): 701-707. doi: 10.13374/j.issn1001-053x.2009.06.016

LI Xian-hao, KANG Yong-lin, CHEN Lin-heng, JIAO Guo-hua, WEN De-zhi. Continuous cooling transformation of 600 MPa grade low carbon bainite steel produced by CSP process[J]. Chinese Journal of Engineering, 2009, 31(6): 701-707. doi: 10.13374/j.issn1001-053x.2009.06.016

Citation:

LI Xian-hao, KANG Yong-lin, CHEN Lin-heng, JIAO Guo-hua, WEN De-zhi. Continuous cooling transformation of 600 MPa grade low carbon bainite steel produced by CSP process[J]. Chinese Journal of Engineering, 2009, 31(6): 701-707. doi: 10.13374/j.issn1001-053x.2009.06.016

黎先浩, 康永林, 陳林恒, 焦國華, 溫德智. CSP生產600MPa級低碳貝氏體鋼的相變[J]. 工程科學學報, 2009, 31(6): 701-707. doi: 10.13374/j.issn1001-053x.2009.06.016

引用本文:

黎先浩, 康永林, 陳林恒, 焦國華, 溫德智. CSP生產600MPa級低碳貝氏體鋼的相變[J]. 工程科學學報, 2009, 31(6): 701-707. doi: 10.13374/j.issn1001-053x.2009.06.016

LI Xian-hao, KANG Yong-lin, CHEN Lin-heng, JIAO Guo-hua, WEN De-zhi. Continuous cooling transformation of 600 MPa grade low carbon bainite steel produced by CSP process[J]. Chinese Journal of Engineering, 2009, 31(6): 701-707. doi: 10.13374/j.issn1001-053x.2009.06.016

Citation:

LI Xian-hao, KANG Yong-lin, CHEN Lin-heng, JIAO Guo-hua, WEN De-zhi. Continuous cooling transformation of 600 MPa grade low carbon bainite steel produced by CSP process[J]. Chinese Journal of Engineering, 2009, 31(6): 701-707. doi: 10.13374/j.issn1001-053x.2009.06.016

CSP生產600MPa級低碳貝氏體鋼的相變

doi: 10.13374/j.issn1001-053x.2009.06.016

1. 北京科技大學材料科學與工程學院, 北京 100083;
2. 湖南華菱漣源鋼鐵有限公司, 婁底 417009

基金項目:

國家自然科學基金資助項目(No.50334010)

作者簡介:
黎先浩(1972-),男,博士研究生;康永林(1954-),男,教授,博士生導師,kangylin@mater.ustb.edu.cn

中圖分類號: TG142.2
計量
- 文章訪問數: 178
- HTML全文瀏覽量: 36
- PDF下載量: 15
- 被引次數: 0
出版歷程
- 收稿日期: 2008-06-17
- 網絡出版日期: 2021-08-09

Continuous cooling transformation of 600 MPa grade low carbon bainite steel produced by CSP process

1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. Hunan Valin Lianyuan Iron and Steel Co., Ltd., Loudi 417009, China

摘要: 以低碳Nb、V、Ti、Mo和Cr合金化貝氏體鋼為研究對象,在Formaster-Digital膨脹儀上測定了過冷奧氏體的靜態CCT曲線;在Gleeble-1500熱/力模擬機上,用膨脹法測定了奧氏體的動態CCT曲線;采用掃描電鏡和透射電鏡分析了貝氏體鋼的室溫組織演變規律.結果表明:合金元素抑制奧氏體向鐵素體轉變,在冷卻速度大于10℃·s^-1的范圍內,靜態CCT和動態CCT的室溫組織均為貝氏體,具有較高的強度;奧氏體變形促進了貝氏體轉變,貝氏體轉變開始溫度為610~668℃,終了溫度為520~551℃.
- 低碳貝氏體鋼 /
- 連續冷卻轉變 /
- 組織演變 /
- 薄板坯連鑄連軋
Abstract: The static and dynamic CCT curves of low carbon bainite steel microalloyed with Nb, V, Ti, Mo and Cr were tested with a Formaster-Digital dilatometer and a Gleeble-1500 thermo-mechanical simulator, respectively. The transformation microstructures were observed by SEM and TEM. It is shown that the transformation microstructures are bainite after continuous cooling when the cooling rate is more than 10℃·s^-1 due to the fact that alloy additions inhibit the transformation from austenite to ferrite, which results in excellent strength; in addition, deformation promotes bainite transformation, and the start temperature and final temperature of bainite transformation are 610 to 668℃ and 520 to 551℃, respectively.
- low carbon bainite steel /
- continuous cooling transformation（CCT） /
- microstructure evolution /
- thin slab casting and rolling（TSCR）

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文章訪問數: 178
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PDF下載量: 15
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