喷射成型锭坯形状的数值模拟研究  

Mathematical simulation of cake shape in spray forming process

作　　者：李晓红[1] 任三兵[2] 乐海荣[2] 樊俊飞[2] 

机构地区：[1]内蒙古科技大学稀土学院,内蒙古包头014010 [2]宝山钢铁股份有限公司研究院,上海201900

出　　处：《炼钢》2007年第5期32-36,共5页Steelmaking

摘　　要：建立了描述喷射成型过程中沉积坯外轮廓动态生长的三维数学模型,该模型考虑了喷射成型过程中各种工艺参数的影响,这些工艺参数包括喷嘴的雾化特性值、偏心距离、沉积盘的旋转速度和下拉速度,在计算后进行数据处理得出了锭坯生长的三维外形轮廓,通过与实际喷射成型设备成形的锭坯对比,两种结果符合较好,并可用此模型来预测不同工艺条件下锭坯的外形生长轮廓。A 3-dimension model depicting the dynamic growth of the geometrical outline of a cake slab in the process of spray forming has been built up. The influence of various processing parameters such as atomization characteristic value of the nozzle, eccentric distance, rotation speed and withdraw speed of the substrate in the process of spray forming have been fully considered in building up the model. By data processing after calculation a 3-dimensional profile of the growth of a cake slab has been obtained. By comparison of the above mentioned profile with that of the cake slab produced by the physical spray forming equipment its proved that the two different profiles are in perfect agreement with each other and therefore the newly developed model can very effectively predict the outline growth of the cake slab in various processing conditions.

关 键 词：喷射成型 雾化喷嘴 沉积盘 数值模拟 

分 类 号：TG249.7[金属学及工艺—铸造]