期刊论文详细信息
Journal of Applied & Computational Mathematics
Casting Simulation and Prediction of Shrinkage Cavities
article
Jabur AS1  Kushnaw FM2 
[1] University of Basrah;University of Technology
关键词: Simulation;    Al-Si alloys;    Casting structures;    Numerical analysis;    Shrinkage defects;   
DOI  :  10.4172/2168-9679.1000371
来源: Hilaris Publisher
PDF
【 摘 要 】

This work aims to predict the shrinkage defects in Al-Si castings by determination the suitable parameters and techniques which can be applied in the casting simulation system. Also, it aims to specify the role of silicon content in amount, morphology, and distribution of these defects. The Numerical solution has been carried out using an explicit 3-D finite difference method for the given system of the casting and a mold. Additionally, an experimental casting of the studied samples was achieved. It was found that the shrinkage porosities increased with increasing the silicon content up to 7%, so at this peak, they spread in all cast regions and cannot be predicted. The low silicon alloys suffered from only the cavities defects that can be predicted by mapping the solidus time contours. Finally, it was concluded that the critical temperature gradient value of the porosities development in the eutectic (Al-12%Si) alloys was 1.3°C/cm.

【 授权许可】

Unknown   

【 预 览 】
附件列表
Files Size Format View
RO202307140004416ZK.pdf 3949KB PDF download
  文献评价指标  
  下载次数:8次 浏览次数:7次