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空心钢锭锭型结构对空心钢锭凝固过程的影响
Effect of Mould Structure on Hollow Ingot Solidification
【摘要】 对空心钢锭凝固过程的温度场进行了有限元分析 ,对不同锭型结构的芯部换热系数、耐火材料厚度对最终凝固位置、内筒壁最高温度及缩孔疏松的影响进行了对比 ,并讨论了耐火材料典型部位的温度随凝固时间的变化
【Abstract】 Temperature field of hollow ingot solidification is simulated by FEM.To different mould,effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification,the highest temperature of inner sleeve against cooling medium,and shrinkage cavity and porosity are compared.In addition,change of temperature in typical position of core refractory is also compared.
【关键词】 空心钢锭;
凝固;
锭模;
温度场;
有限元;
铸造缺陷;
【Key words】 Hollow Ingot; Solidification; Mould; Temperature Field; FEM; Cast Defect;
【Key words】 Hollow Ingot; Solidification; Mould; Temperature Field; FEM; Cast Defect;
- 【文献出处】 大型铸锻件 ,Heavy Casting and Forging , 编辑部邮箱 ,2000年01期
- 【分类号】TG260
- 【被引频次】1
- 【下载频次】160