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F40級船板鋼的應變時效行為

溫永紅,  唐荻,  武會賓,  范王展,  郭振,  肖大恒,  李曲全

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文章導航 > 工程科學學報  > 2008 >  30(11): 1244-1248
溫永紅, 唐荻, 武會賓, 范王展, 郭振, 肖大恒, 李曲全. F40級船板鋼的應變時效行為[J]. 工程科學學報, 2008, 30(11): 1244-1248. doi: 10.13374/j.issn1001-053x.2008.11.012
引用本文: 溫永紅, 唐荻, 武會賓, 范王展, 郭振, 肖大恒, 李曲全. F40級船板鋼的應變時效行為[J]. 工程科學學報, 2008, 30(11): 1244-1248. doi: 10.13374/j.issn1001-053x.2008.11.012
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WEN Yonghong, TANG Di, WU Huibin, FAN Wangzhan, GUO Zhen, XIAO Daheng, LI Ququan. Strain aging of F40 hull structure steel[J]. Chinese Journal of Engineering, 2008, 30(11): 1244-1248. doi: 10.13374/j.issn1001-053x.2008.11.012
Citation: WEN Yonghong, TANG Di, WU Huibin, FAN Wangzhan, GUO Zhen, XIAO Daheng, LI Ququan. Strain aging of F40 hull structure steel[J]. Chinese Journal of Engineering, 2008, 30(11): 1244-1248. doi: 10.13374/j.issn1001-053x.2008.11.012
shu

F40級船板鋼的應變時效行為

doi: 10.13374/j.issn1001-053x.2008.11.012

  • 1. 北京科技大學高效軋制國家工程研究中心, 北京 100083;

  • 2. 湘潭鋼鐵集團有限公司科技開發中心, 湘潭 411101

詳細信息
    作者簡介:

    溫永紅(1979-),男,博士研究生;唐荻(1955-),男,教授,博士生導師,E-mail:tangdi@nercar.ustb.edu.cn

  • 中圖分類號: TG142.1

Strain aging of F40 hull structure steel

  • 1. National Engineering Research Center for Advanced Rolling Technology, University of Science and Technology Beijing, Beijing 100083, China;

  • 2. The Technological Center of Xiangtan Iron & Steel Co. Ltd., Xiangtan 411101, China

    摘要
  • 摘要: 通過SEM、TEM和多功能內耗儀研究了F40級船板鋼應變時效后的微觀組織變化以及時效過程中的內耗行為.結果表明:應變時效過程中,F40級船板鋼宏觀組織沒有發生明顯的變化,組織很穩定;在內耗-溫度曲線上230℃時出現一個內耗峰,這是由于游離態的碳原子在此條件下釘扎位錯和擺脫位錯釘扎所導致;位錯組態的變化及位錯與碳原子相互作用的宏觀效應表現為鋼板應變時效后硬度上升,韌性下降,韌脆轉變溫度升高.

     

    Abstract: The effects of strain aging on the microstructure evolution and internal friction of F40 hull structure steel were studied by SEM, TEM and multi-functional internal friction apparatus. The result showed that there was no obvious change in microstructure during the process of strain aging, displaying better mierostructure stability. A peak was found in the curve of internal friction to temperature, which can be attributed to C trapping on dislocations and dislocation motion. The strain aging phenomenon induced an increase in hardness associated with ductility loss and large toughness reduction. This trend is attributed to dislocation configurations and the interaction between interstitial carbon and dislocations.

     

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出版歷程
  • 收稿日期:  2007-12-06
  • 修回日期:  2008-03-10
  • 網絡出版日期:  2021-08-06

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