利用单道次压缩变形，研究了变形温度、变形速率和变形程度对一种Ti-IF钢的奥氏体区、铁素体区和两相区的热变形行为的影响.在奥氏体区和铁素体区变形时，随变形温度的降低流变应力增加，而在两相区变形时，随变形温度的降低流变应力降低.Ti-IF钢的铁素体动态再结晶受变形温度的影响最大，在铁素体变形高温区可以发生动态再结晶，铁素体区变形高温区域的变形抗力显著降低.根据流变应力曲线，确定了Ti-IF钢Z-Hollomen参数方程.
参考文献
| [1] | Langer H;Bleck W.Metallurgical aspect of ferritic hot rolling[A].Processing and Properties,1998:301-312. |
| [2] | Matsuoka S.Development of super deep drawable sheet by lubricant hot rolling in ferrite region[A].Processing and Properties,1998:85-96. |
| [3] | W.H.Parks .Ferritic rolling of interstitial-free steel[J].Iron and Steel Engineer,1997(10):35-36. |
| [4] | Herman J C;Cantinieaux P;Langlais J M.Future prospects of ferritic hot-rolled thin strip steel : a new ″low cost″ approach for steel sheet production[J].Steel World:48-54. |
| [5] | BLECK W.Physical simulation of hot rolling in ferrite range of steels[J].Journal of Materials Processing Technology,1996(60):609-614. |
| [6] | Akbari G H;Sellars C M;Whiteman J A .Microstructure development during warm rolling of an IF steel[J].Acta Materialia,1997,45(02):5047-5058. |
| [7] | Yukihiro Matsubara.Dynamic recrystallization of ferrite in IF steel[A].:653-659. |
| [8] | Sellars C M.Modeling-An interdisciplinary activity[A].On Mathematical Modelling of Hot Rolling of Steel,Hamilton:CIMM,1990:1-18. |
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%