贾洪海
,
于湛
,
雷作胜
,
邓康
,
陈家昶
,
华文杰
,
任忠鸣
金属学报
在小方坯连铸水口中段安置电磁搅拌器，使水口旋转出流以降低注流钢水的冲击深度并形成上升回流，保证小方坯（特钢）连铸中液面融渣和凝固坯壳及成分的均匀性。本文通过在连铸水口的水力学模型内安置的旋流叶轮来模拟水口电磁搅拌的作用，使模型实验中水口出流呈螺旋状流态，并在此基础上，用超声波多普勒测速仪定量测量结晶...
关键词:
小方坯
,
Continuous casting
,
Swirling flow nozzle
,
Magnetic stirring
,
Water simulation
Beijiang ZHANG
,
Guimin LU
,
Jianzhong CUI
材料科学技术（英文）
The relationship between electromagnetic frequency and microstructures of continuous casting aluminum alloys was studied. 7075 aluminum alloy ingot of 100 mm in diameter was produced by electromagnetic continuous casting process, the microstructures of as-cast ingot was examined by scanning electron...
关键词:
Continuous casting
,
null
,
null
,
null
Kee-Hyeon Cho
,
Byung-Moon Kim
材料科学技术（英文）
In the present study, a numerical optimization program has been developed for predicting the optimal secondary cooling patterns in a continuous slab caster. Optimization strategy using Broydon-Fletcher-Goldfarb-Shanno (BFGS) method is carried out by determining the constant heat transfer coefficient...
关键词:
Continuous casting
,
null
,
null
Jiuzhou ZHAO
,
L.Ratke
材料科学技术（英文）
A numerical model is presented describing the microstructure evolution of an immiscible alloy under the continuous casting conditions. Calculations are carried out to investigate the microstructure evolution in a vertical strip cast sample of Al+5 wt pct Pb alloy. The numerical results show that the...
关键词:
Immiscible alloy
,
null
,
null
,
null
T.Revaux
,
J.D.Guérin
,
J.P.Bricout
材料科学技术（英文）
New generation of steel casting processes allow to increase the production rate but they cause some imperfections instance. The main detrimental defects of metallurgical products generally occur during their solidification and cooling. The thermomechanical loadings undergone by the steel form the li...
关键词:
Hot ductility
,
null
,
null
,
null
,
null
