利用热模拟压缩变形,扫描电子显微镜(SEM),X射线衍射(XRD)以及金相实验,探讨了用过冷奥氏体动态相变控制低碳硅锰系相变诱导塑性(TRIP)钢组织的工艺过程,并初步研究了不同工艺条件下组织与性能的关系.结果表明:采用过冷奥氏体动态相变工艺控制TRIP钢的组织是可行的,用相应工艺得到的TRIP钢的抗拉强度达到Rm=900 MPa,伸长率A=24%.
参考文献
| [1] | 康永林.现代汽车板的质量控制与成型性[M].北京:冶金工业出版社,1999 |
| [2] | 邹宏辉,符仁钰,李麟,朱晓东.低碳Si-Mn系TRIP钢的热处理工艺对组织的影响[J].金属热处理,2003(01):59-62. |
| [3] | Sakuma Y;Matsumura O;Takechi H .Mechanical Properties and Retained Austenite in Intercritically Heat-Treated BainiteTransformed Steel and Their Variation with Si and Mn Additions[J].Metallurgical Transactions,1991,22A(02):489. |
| [4] | Hanzaki A Z;Hadgson P D;Yue S .Deformation Characteristics of Si-Mn TRIP Steels With and Without Micro-Alloy Additions[J].ISU International,1995,35(03):324. |
| [5] | I. B. TIMOKHINA;P. D. HODGSON;E. V. PERELOMA .Effect of Deformation Schedule on the Microstructure and Mechanical Properties of a Thermomechanically Processed C-Mn-Si Transformation-Induced Plasticity Steel[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2003(8):1599-1609. |
| [6] | 杨王玥,齐俊杰,孙祖庆,杨平.低碳钢形变强化相变的特征[J].金属学报,2004(02):135-140. |
| [7] | 齐俊杰,杨王玥,孙祖庆.低碳钢过冷奥氏体形变过程超细铁素体的形成[J].金属学报,2002(09):897-902. |
| [8] | 徐海卫,杨王玥,孙祖庆.基于动态相变的细晶双相低碳钢组织控制[J].金属学报,2006(10):1101-1108. |
| [9] | Hanzaki Z A;Hodgson P D;Yue S .Retained Austenite Characteristicsin Thermo-Mechanically Processed Si-Mn Tranaformation Induced Plasticity Steels[J].Metallurgical and Materials Transactions,1997,28A(11):2405. |
| [10] | Girault E;Jacques P;Harlet Ph et al.Metallographic Methods for Revealing the Multiphase Microstructure of TRIP-Assisted Steels[J].Materials Characterization,1998,40(02):111. |
| [11] | Miller R L .Effects of Cobalt,Nickel Additon on Microstructure and Mechanical Characteristics of Austempered Ductile Iron[J].Trans ASM,1964,57:892. |
| [12] | Sun Z Q;Yang W Y;Qi J J et al.Deformation Enhanced Transformation and Dynamic Recrystallization of Ferrite in a Low Carbon Steel During Muhipass Hot Deformation[J].Materials Science Engineering,2002,334A:201. |
| [13] | Nikolaos D. Alexopoulos .Low-alloy TRIP Steels: Evaluation of the Mechanical Performance with regard to Material Design Requirements in the Automotive Industry[J].Steel Research International,2006(2):129-138. |
| [14] | Seonga B S;Shin E J;Han Y S et al.Effect of Retained Austenite and Solute Carbon on the Mechanical Properties in TRIP Steels[J].Physica B,2004,350(1-3):467. |
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%