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Effect of process parameters on density of magnesium alloy parts by low-pressure expendable pattern casting LI Ji-qiang(李继强), FAN Zi-tian(樊自田), DONG Xuan-pu(董选普) State Key Laboratory of Material...; Abstract: The combination of magnesium alloys with the low-pressure expendable pattern casting (LP-EPC) process would bright future for application of magnesium......
Trans. Nonferrous Met. Soc. China 22(2012) s7-s13 Microstructure, tensile properties and fractography of A356 alloy under as-cast and T6 obtained with expendable pattern shell casting process JIANG... and fractography of A356 alloy were studied under as-cast and T6 conditions obtained with expendable pattern shell casting, and the results were compared with lost foam casting (LFC). The results indicate that α(Al......
%,166.4 %和17.6 %;其铸件表面质量也优于消失模铸件的表面质量.关键词:铝合金;真空低压消失模壳型铸造;消失模铸造;组织;性能Comparison of microstructures and properties of aluminum alloy between expendable pattern shell casting with vacuum and low-pressure... of Material Processing and Die & Mould Technology, Huazhong)Abstract:The microstructures and properties of A356 alloy produced using expendable pattern shell casting process with vacuum and low-pressure......
considerations have to be given to the shrinkage of wax pattern during preparation, ceramic shell shrinkage during drying and the expansion during casting, the shrinkage of super-alloy materials (if applicable... by the gravity method, and the Fig.7 Core and exterior of wax pattern mould shell is cooled in air with heat insulating materials on the top and the bottom to ensure that heat flux from the casting......
Mg alloy surface alloying layer fabricated through evaporative pattern casting technology CHEN Dong-feng(陈东风), DONG Xuan-pu(董选普), ZHANG Xiong(张 雄), FAN Zi-tian(樊自田) State Key Laboratory... factors of surface alloying layer by evaporative pattern casting technology were investigated. A certain thickness alloying layer was formed on the surface of Mg-alloy matrix when the pouring temperature......
Characteristics of shell thickness in a slab continuous casting moldDi-feng Wu1) ,Shu-sen Cheng1) ,and Zi-jian Cheng2) 1) School of Metallurgical and Ecological Engineering,University of Science... in the continuous casting process is to control shell thickness in the mold. A numerical simulation on the turbulent flow and heat transfer coupled with solidification in the slab mold using the volume......
Strain in solidifying shell of continuous casting slabsGuosen Zhu, Xinhua Wang, Huixiang Yu, and Wanjun WangMetallurgical Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> Two-dimension unsteady heat transfer model was applied to obtain the surface temperature and the shell thickness of continuous......
Pseudo-semi-solid thixoforging of cup shell with Al/Al2O3 LUO Shou-jing(罗守靖), CHENG Yuan-sheng(程远胜), WANG Peng-xiang(王鹏翔) School of Materials Science and Engineering, Harbin Institute... on the powder metallurgy technology combined with semi-solid metal forming process, and the cup shell of automobile piston with Al2O3/Al composites was prepared. It is proved through metallographic......
Non-uniform heat transfer behavior during shell solidification in a wide and thick slab continuous casting moldZhao-zhen Cai,Miao-yong ZhuSchool of Materials and Metallurgy, Northeastern University摘... continuous casting mold, we predicted the evolution of shell deformation and the thermal behaviors, including the mold flux film dynamical distribution, the air gap formation, as well as the shell......
Simulation of inside-grooved mould improving heat transfer of original shell of casting slabKexin Zhao, Ming gang Shen, and Xueda Wang Anshan University of Science and Technology, Anshan 114002...-cooled copper plate into the stannum-lead alloy to simulate the process of initial solidification of steel, and the result that the heat transfer of original shell improved by grooving on the surface......