立式离心铸造中夹杂物运动规律数值模拟研究与应用  

Numerical Simulation of Inclusion Movement in Vertical Centrifugal Casting and its Application

作　　者：郄喜望 肖艮[4] 殷亚军 张美娟[2,3] 南海[1,2,3] 周建新 QIE Xiwang;XIAO Gen;YIN Yajun;ZHANG Meijuan;NAN Hai;ZHOU Jianxin(Beijing Institute of Aeronautical Materials,Beijing 100095,China;Baimtec Material Co.Ltd.,Beijing 100094,China;Beijing Engineering Research Center of Advanced Titanium Alloy Precision Forming Technology,Beijing 100095,China;State Key Laboratory of Material Processing and Die&Mould Technology,School of Materials Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China)

机构地区：[1]中国航发北京航空材料研究院,北京100095 [2]北京百慕航材高科技股份有限公司,北京100094 [3]北京市先进钛合金精密成型工程技术研究中心,北京100095 [4]华中科技大学材料科学与工程学院材料成形与模具技术国家重点实验室,湖北武汉430074

出　　处：《铸造技术》2020年第12期1165-1169,共5页Foundry Technology

基　　金：中航工业北京航空材料研究院-华中科技大学先进航空轻质合金材料精密铸造联合实验室;中央引导地方科技发展专项(2020);中国有色集团科技计划项目(项目编号2018KJJH05)等资助。

摘　　要：对立式离心铸造充型过程流体质点受力进行分析,依据流动控制方程和夹杂物运动控制方程,基于华铸CAE系统开发了立式离心铸造充型过程夹杂物运动追踪程序。对钛合金支板铸件采用CT扫描获得其夹杂物分布信息,结果表明其夹杂物分布与数值模拟预测的夹杂物分布位置一致,验证了数值模拟程序的有效性。最终利用上述模拟程序对该支板零件的离心铸造转速参数进行了优化,得到适合该支板铸件的最佳离心转速为150 r/min。The force of the fluid particles in the filling process of vertical centrifugal casting is analyzed.Based on the flow control equation and the motion control equation of inclusions,and based on the Huazhu CAE system,the motion tracking program of inclusions in the vertical centrifugal casting filling process is developed.A CT scan of a titanium alloy support plate casting was used to obtain the distribution information of its inclusions.The results showed that the distribution of inclusions was consistent with the distribution of the inclusions predicted by the numerical simulation,which verified the effectiveness of the numerical simulation program in this paper.Finally,the above-mentioned simulation program was used to optimize the centrifugal speed parameters of the centrifugal casting of the support plate parts,and the best centrifugal speed suitable for the support plate casting was 150 r/min.

关 键 词：立式离心铸造 夹杂物 数值模拟 工艺优化 

分 类 号：TG249[金属学及工艺—铸造]