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汽车用钢连铸坯的高温力学性能

刘青, 张立强, 王良周, 丁秀中, 曹立国, 齐永革, 刘彦伟

刘青, 张立强, 王良周, 丁秀中, 曹立国, 齐永革, 刘彦伟. 汽车用钢连铸坯的高温力学性能[J]. 工程科学学报, 2006, 28(2): 133-137. DOI: 10.13374/j.issn1001-053x.2006.02.031
引用本文: 刘青, 张立强, 王良周, 丁秀中, 曹立国, 齐永革, 刘彦伟. 汽车用钢连铸坯的高温力学性能[J]. 工程科学学报, 2006, 28(2): 133-137. DOI: 10.13374/j.issn1001-053x.2006.02.031
LIU Qing, ZHANG Liqiang, WANG Liangzhou, DING Xiuzhong, CAO Liguo, QI Yongge, LIU Yanwei. High temperature mechanical properties of continuously cast blooms for automobile steel[J]. Chinese Journal of Engineering, 2006, 28(2): 133-137. DOI: 10.13374/j.issn1001-053x.2006.02.031
Citation: LIU Qing, ZHANG Liqiang, WANG Liangzhou, DING Xiuzhong, CAO Liguo, QI Yongge, LIU Yanwei. High temperature mechanical properties of continuously cast blooms for automobile steel[J]. Chinese Journal of Engineering, 2006, 28(2): 133-137. DOI: 10.13374/j.issn1001-053x.2006.02.031

汽车用钢连铸坯的高温力学性能

详细信息
    作者简介:

    刘青(1967-),男,副教授,博士

  • 分类号: TF777

High temperature mechanical properties of continuously cast blooms for automobile steel

  • 摘要: 运用经典热模拟的方法研究石钢电炉生产汽车用钢的连铸坯高温力学性能,获得了五个钢种热塑性曲线和强度曲线.针对不同方向铸坯取样的结果与其他研究结果作了对比.运用扫描电镜对试样拉断后的断口形貌进行观察,得出了相应钢在各温度区域的断裂机理.讨论了连铸坯质量与高温力学性能的关系.
    Abstract: High temperature mechanical properties of 5 automobile steel grades produced by the EAF steelmaking workshop of Shijiazhuang Iron & Steel Co. Ltd. (Shigang Steel) were investigated by the classical thermal simulating method. Hot ductility and strength curves of these steels were measured with a hot stress/strain test machine. Results in different sampling ways for blooms and a comparison with other results were discussed. The embrittlement and fracture mechanisms o~ these respective steels were clarified based on examination to the fracture surface of specimens with scanning electronic microscope. The relation between bloom quality and high temperature mechanical properties was discussed.
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出版历程
  • 收稿日期:  2005-04-25
  • 修回日期:  2005-10-07
  • 网络出版日期:  2021-08-23
  • 刊出日期:  2006-02-24

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