研究了薄带连铸条件下Cr17铁素体不锈钢薄带坯的初始组织及织构,并重点对常规连铸坯和等轴晶薄带坯在轧制及退火过程中的织构演变进行了对比研究.研究结果表明:在薄带连铸条件下,通过调整熔池内钢水的过热度可以实现对薄带坯初始组织、织构的有效控制.在较低的过热度(20～40℃)条件下,可以获得具有全等轴晶组织和随机织构的薄带坯.与常规连铸坯相比,等轴晶薄带坯经冷轧退火后能够形成较均匀且规则的Υ纤维再结晶织构,消除了向{334}＜483＞的偏转,α纤维织构基本消失,进而使(Υ)值大幅提高.因此,薄带连铸技术在改善铁素体不锈钢的成形性能方面具有显著优势.
参考文献
| [1] | Yoshihiro Yazawa;Yoshihiro Ozaki;Yasushi Kato;Osamu Furukimi .Development of ferritic stainless steel sheets with excellent deep drawability by (111} recrystallization texture control[J].JSAE review,2003(4):483-488. |
| [2] | Sawatani T;Shimizu K;Nakayama T.The Υ-Values and Recrystallized Textures of Ti-Stabilized Low C,N-17% Cr Stainless Steel[J].Transactions of the Iron and Steel Institute of Japan,1978(18):676. |
| [3] | H. G. Kang;M. Y. Huh;S. H. Park .Effect of Lubrication during Hot Rolling on the Evolution of Through-Thickness Textures in 18%Cr Ferritic Stainless Steel Sheet[J].Steel Research International,2008(6):489-496. |
| [4] | Sinclair C W;Robaut F;Mithieux J D et al.Recrystallization and Texture in a Ferritic Stainless Steel An EBSD Study[J].Advances in Engineering Materials,2003,5(08):570. |
| [5] | of strip casting technology Esther E.M. Luiten;Kornelis Blok .Stimulating R&D of industrial energy-efficient technology; the effect of government intervention on the development[J].Energy policy,2003(13):1339-1356. |
| [6] | SooHo PARK;Kwang Yuk KIM;YongDeuk LEE .Evolution of Microstructure and Texture Associated with Ridging in Ferritic Stainless Steels[J].ISIJ International,2002(1):100-105. |
| [7] | 刘海涛 .Crl7铁素体不锈钢的组织、织构及成形性能研究[D].沈阳:东北大学,2009. |
| [8] | Yazawa Y;Muraki M;Kato Y et al.Effect of Chromium Content on Relationship Between r-Value and { 111 } Rerystallization Texture in Ferritic Steel[J].ISIJ International,2003,43(10):1647. |
| [9] | Huh M Y;Engler O .Effect of Intermediate Annealing on Texture,Formability and Ridging of 17 % Cr Ferritic Stainless Steel Sheet[J].Materials Science and Engineering,2001,308A:74. |
| [10] | Rajib S;Ray P K .Microstructural and Textural Changes in a Severely Cold Rolled Boron-Added Interstitial-Free Steel[J].Scripta Materialia,2007,57(09):841. |
| [11] | Ray R K;Jonas J J;Hook R E .Cold Rolling and Annealing Textures in Low Carbon and Extra Low Carbon Steels[J].International Materials Reviews,1994,39(04):129. |
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