Characteristics of mold filling and entrainment of oxide film in low pressure casting of A356 alloy

2015 ◽  
Vol 626 ◽  
pp. 159-164 ◽  
Author(s):  
Shan-Guang Liu ◽  
Fu-Yang Cao ◽  
Xin-Yi Zhao ◽  
Yan-Dong Jia ◽  
Zhi-Liang Ning ◽  
...  
2015 ◽  
Vol 1096 ◽  
pp. 319-324
Author(s):  
Xiao Jian Yu ◽  
Ya Lin Lu ◽  
Fu Xian Zhu ◽  
Xing Cheng Li

Automobile wheel of A356 alloy was cast by low pressure casting process. The effect of heat treatment process on microstructures and mechanical properties of A356 alloy cast was discussed. The results indicated that optimal parameters of heat treatment process for A356 alloy included solution temperature of 535°Cand holding time of 4.5hours, aging temperature of 145°Cand holding time of 4hours. Ultimate strength of A356 is 270MPa and elongation rate is 10%. Meanwhile, the microstructure has been apparently improved. The eutectic silicon particle became more spheroidal and distributed uniformly in matrix.


2011 ◽  
Vol 189-193 ◽  
pp. 2096-2102 ◽  
Author(s):  
Xin Zhao ◽  
Yan Wei Sui ◽  
Ai Hui Liu ◽  
Fei Fei Wang ◽  
Zhi Sun ◽  
...  

Using the method of numerical simulation and the AnyCasting software, the simulation for SDAS of Al-Mg alloy wheels for low pressure casting is studied. The simulation model is established and the effects of preheating temperature, melt pouring temperature and cooling water pipes on SDAS in the low pressure casting process was founded. The results show that, SDAS presents linear variation with the increase of preheating temperature and pouring temperature; opened cooling pipes make SDAS smaller. The practice of simulating casting is verified by experiments, and test results and simulation results were consistent.


2011 ◽  
Vol 403-408 ◽  
pp. 3291-3294
Author(s):  
Shao Long Wu ◽  
Yu Xing Wang

Effects of electromagnetic filling parameters on Density of Al-Si alloy in low pressure casting were investigated. The key influential factors on Density of Al-Si Alloy were determined by orthogonal testing. The results show that the influential orders of electric current, magnetic inductivity and cyclic time on the density of the ZL114 alloy are as follows: electric current, then magnetic inductivity, and then cyclic time. Electric current and electromagnetic field can effectively improve the density of the ZL114 alloy in low pressure casting.


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