东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2012, Vol. 33 ›› Issue (2): 195-198.DOI: -

• 论著 • 上一篇    下一篇

铁素体不锈钢高温氧化层生长及热轧粘辊研究

张驰;王晓南;刘振宇;王国栋;   

  1. 东北大学轧制技术及连轧自动化国家重点实验室;
  • 收稿日期:2013-06-19 修回日期:2013-06-19 发布日期:2013-01-17
  • 通讯作者: -
  • 作者简介:-
  • 基金资助:
    国家自然科学基金资助项目(50734002)

High-temperature oxidation thickening and sticking behavior during hot rolling in ferritic stainless steel

Zhang, Chi (1); Wang, Xiao-Nan (1); Liu, Zhen-Yu (1); Wang, Guo-Dong (1)   

  1. (1) The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, China
  • Received:2013-06-19 Revised:2013-06-19 Published:2013-01-17
  • Contact: Zhang, C.
  • About author:-
  • Supported by:
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摘要： 通过高温氧化实验研究了超纯21%Cr铁素体不锈钢高温氧化层的生长情况,并采用开发的模拟铁素体不锈钢热轧粘辊实验方法研究了表面氧化对超纯21%Cr铁素体不锈钢热轧粘辊的影响,探讨了铁素体不锈钢的热轧粘辊机理.实验发现:超纯21%Cr铁素体不锈钢的炉生氧化铁皮较厚,而热轧过程中二次氧化铁皮生长较缓慢;锤头在循环轧制过程中出现的表面裂纹为热轧粘辊提供了形核地点;在高温变形过程中,表面氧化对铁素体不锈钢带钢表面具有保护作用,可以减轻热轧粘辊.

关键词: 超纯铁素体不锈钢, 表面质量, 高温氧化, 粘辊, 热轧

Abstract: High-temperature oxidation thickening of an ultra purified 21%Cr ferritic stainless steel (FSS) was studied by high-temperature oxidation test. A new method for simulating the sticking phenomenon of FSS during hot rolling was developed to investigate the effects of surface oxidation on the sticking behavior. The sticking mechanism was also discussed. The results indicated that the oxidation scale formed in heating furnace is thick and the secondary scale formed during hot rolling is very thin. The cracks on the hammers which formed during cycling rolling and cooling are the nucleation sites for sticking. The oxidation scale has a protective effect on the surface quality of the slab during hot deformation, decreasing the sticking phenomenon.

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