采用Gleeble2000高温力学性能模拟试验机对不同铝含量双相钢高温热塑性进行了对比研究.结果表明,Al的加入使得双相钢的高温低塑性区向高温区域偏移,温度区间由低铝时的710～920 ℃升高到高铝时的800～1020 ℃;为了避免铸坯表面产生裂纹,高铝双相钢矫直段温度应控制在1050～1150 ℃范围内,冷却水应采用弱冷水制度,并合理控制钢中的N、S及O的含量.同时发现,试验钢高温热塑性随着应变速率的增大而提高.
参考文献
| [1] | Liewellyn D T;Hillis D J .[J].Ironmaking and Steelmaking,1996,23(06):471. |
| [2] | Sandra Traint;Andreas Pichler;Krystyna Spiradek-Hahn .Microstructure Characterization of Cold-Rolled Dual-Phase Steels[J].Steel Research International,2005(7):539-544. |
| [3] | Rocha RO;Melo TMF;Pereloma E;Santos DB .Microstructural evolution at the initial stages of continuous annealing of cold rolled dual-phase steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):296-304. |
| [4] | Erdogan M. .The effect of new ferrite content on the tensile fracture behaviour of dual phase steels[J].Journal of Materials Science,2002(17):3623-3630. |
| [5] | 宋维锡.金属学[M].北京:冶金工业出版社,1988 |
| [6] | 陈家祥.钢铁冶金学[M].北京:冶金工业出版社,2001 |
| [7] | Mintz B et al.[J].International Materials Reviews,1991,36(05):187. |
| [8] | Coleman T H et al.[J].Materials Science and Technology,1985,11(01):80. |
| [9] | Sricharoenchai P et al.[J].ISIJ International,1992,32(10):1102. |
| [10] | Hurtado-Delgado E;Morales R D .[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,2001,32B(10):919. |
| [11] | Cardoso G I S L et al.[J].Ironmaking and Steelmaking,1995,22(05):365. |
| [12] | Mintz B .[J].ISIJ International,1999,39(09):833. |
| [13] | Kim S K et al.[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2002,33A(03):701. |
| [14] | Faramarz ZARANDI;Steve YUE .Improvement of Hot Ductility in the Nb-microalloyed Steel by High Temperature Deformation[J].ISIJ International,2005(5):686-693. |
| [15] | Jitai Niu.Physical Simulation in Materials and Hot-Working[M].PSMHM,1999 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%