Design of process parameters for direct squeeze casting

被引:0
作者
Milan Zhang Shuming Xing Liming Xiao Peiwei Bao Wen Liu Qiao Xin Semisolid Forming Research CenterBeijing Jiaotong UniversityBeijing China Department of MathematicsIli Normal UniversityYining China [1 ,1 ,1 ,1 ,1 ,2 ,1 ,100044 ,2 ,835000 ]
机构
关键词
squeeze casting; solidification time; temperature distribution; compaction pressure;
D O I
暂无
中图分类号
TG249.2 [压力铸造];
学科分类号
080201 ; 080503 ;
摘要
<正>On the basis of the analysis of solidification interval and temperature distribution of components manufactured by the squeeze casting method,formulas for calculating the solidification interval and compaction pressure were deduced according to the principal request that the compaction pressure should be equal to or greater than the plastic deformation resistance of the forming component when solidification ended.The solidification interval was proven to be associated with many factors,such as weight of the component,specific heat of the alloy,latent heat,pouring temperature,component temperature at the end of solidification and heat-transfer coefficients.The compaction pressure was related to the strain rate,deformation temperature,and dimension of the de- forming component.The solidification interval and compaction pressure calculated by the formulas deduced in this article were adopted in the production of 45 steel bidirectional chapiter valves,and components with excellent performance were manufactured.
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收藏
页码:339 / 343
页数:5
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