东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2007, Vol. 28 ›› Issue (4): 505-509.DOI: -

• 论著 • 上一篇    下一篇

变形工艺对热轧双相钢显微组织和性能的影响

张红梅;许云波;刘振宇;王国栋;   

  1. 东北大学轧制及连轧自动化国家重点实验室;东北大学轧制及连轧自动化国家重点实验室;东北大学轧制及连轧自动化国家重点实验室;东北大学轧制及连轧自动化国家重点实验室 辽宁沈阳110004;辽宁沈阳110004;辽宁沈阳110004;辽宁沈阳110004
  • 收稿日期:2013-06-24 修回日期:2013-06-24 出版日期:2007-04-15 发布日期:2013-06-24
  • 通讯作者: Zhang, H.-M.
  • 作者简介:-
  • 基金资助:
    国家自然科学基金资助项目(50504007)

Deformation effect on microstructure and mechanical properties of hot-rolled dual-phase steel

Zhang, Hong-Mei (1); Xu, Yun-Bo (1); Liu, Zhen-Yu (1); Wang, Guo-Dong (1)   

  1. (1) State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China
  • Received:2013-06-24 Revised:2013-06-24 Online:2007-04-15 Published:2013-06-24
  • Contact: Zhang, H.-M.
  • About author:-
  • Supported by:
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摘要： 以热轧双相钢为研究对象,在实验室通过热轧实验,研究了变形量、卷取温度、终轧温度对高强热轧双相钢组织细化和力学性能的影响.通过研究可以发现,变形工艺参数对热轧双相钢的显微组织和力学性能有很大的影响,热轧双相钢的显微组织主要有三种典型微观形貌,而这三种典型形貌又赋予了双相钢不同的强韧化机制和力学性能.在实验室条件下,开发了780 MPa级以Mn,Si为主要添加元素的热轧双相钢生产工艺,可以使热轧双相钢的屈服强度达到要求的级别,并且断后伸长率良好.

关键词: 双相钢, 组织细化, 强化机制, 力学性能

Abstract: The effects of reduction, coiling temperature and finish rolling temperature on the refinement of microstructure and mechanical properties of hot-rolled dual-phase steel were investigated in laboratory. It was found that the deformation process parameters affect greatly the microstructure and mechanical properties and there are three typical microstructural morphologies, which cause the hot-rolled dual-phase steel in different toughening mechanism and mechanical properties. The tensile strength of the steel developed in the laboratory by controlling the process parameters with Mn and Si as main alloying elements comes up to the Grade 780 MPa with high percentage elongation.

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