采用双道次压缩和应力松弛2种实验方法,研究了含铌奥氏体不锈钢347热变形后的再结晶动力学特征,确定了AVRAMI方程表达式,同时通过定量金相技术分析了对应2种实验方法的淬火试样中再结晶组织所占份数.比较不同实验方法所得结果可知:定最金相分析结果与应力松弛法结果较吻合,而与双道次压缩实验结果差异较大.仅进行1次应力松弛实验就可以得到一条再结晶率与时间的关系曲线,可大大减少实验量.
参考文献
| [1] | Sun W P .Hawbolt Comparison Between Static and Metadynamic Recrystallization-An Application to the Hot Rolling of Steels[J].ISIJ International,1997,37(10):1000. |
| [2] | Karjalainen L P;Juha Perttula .Characteristics of Static and Metadynamic Reerystallization and Strain Accumulation in Hot-Deformed Austenite as Revealed by the Stress Relaxation Method[J].ISIJ International,1996,36(06):729. |
| [3] | HAIWEN LUO;JILT SIETSMA;SYBRAND VAN DER ZWAAG .A Metallurgical Interpretation of the Static Recrystallization Kinetics of an Intercritically Deformed C-Mn Steel[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2004(6):1889-1898. |
| [4] | 黄启今,刘国权.通用软件Microsoft Word在显微组织定量分析中的应用[J].中国体视学与图像分析,2002(03):182-184. |
| [5] | Medina S F;Lope V .Static Recrystallization in Austenite and Its Influence on Microstructural Changes in C-Mn Steel and Vanadium Microalloyed Steel at the Hot Strip Mill[J].ISIJ International,1993,33(05):605. |
| [6] | Urange P;Fernandez A I;Lopez B et al.Transition Between Static and Metadynamic Receystallization Kinetics in Coase Nb Micrealloyed Austenite[J].Materials Science and Engineering,2003,357A:319. |
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%