应用连铸结晶器凝固综合模拟装置,研究了结晶器瞬态摩擦阻力随结晶器振动的变化规律.结果显示:在结晶器上部,连铸坯与结晶器之间以粘性摩擦为主,摩擦阻力的变化规律与结晶器振动的速度波形一致.应用结晶器非正弦振动,在保证负滑动期间对初始凝壳的压缩作用的同时,可以大幅度降低正滑动期间的结晶器摩擦阻力.这对防止高速连铸初始坯壳的拉裂、提高拉坯速度有重要意义.
参考文献
| [1] | Wada T .High Speed Casting of 3 Meters/Minute on the NKK Fukuyama Works' No.5 Slab Caster[J].Ironmaking and Steelmaking,1987,73(12):31-37. |
| [2] | Kanazawa T.Development of High-speed Slab Casting Techniques[J].Continuous Casting Supplement,1994:16-19. |
| [3] | STRAND NEW.VAI Continuous Casting Technology[J].Conroll and Beam Blank Issue,1994(08):3. |
| [4] | Mikio S .Application of Non-sinusoidal Mold Oscillation in High Speed Continuous Casting of Steel[J].Transactions of the Iron and Steel Institute of Japan,1986,26:B164. |
| [5] | Brimacombe J K .Empowerment With Knowledge-toward the Intelligent Mold for the Continuous Casting of Steel Billets[J].Metallurgical and Materials Transactions,1993,24B(12):917. |
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%