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《Special Casting & Nonferrous Alloys》 2018-09
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Structure Design and Forming Process Optimization of the ZL205A Frame Parts

Wan Biao;Sun Gang;Cheng Chaoqun;Wuhan Polytechnic;Beijing Institute of Aeronautical Materials;Publishing House of Electronics Industry;  
The structure and process design of the ZL205 Aframe casting were described,and the filling field,temperature distribution field,thermal stress and strain field during the solidification process were simulated by the FDM and FEM method.The gravity filling process of ZL205 Aframe casting was determined by the optimization of the T5 heat treatment process parameters and the location as well as size of reserved hole.The results show that the solidification sequence from inside to outside can be realized in the solidification process,and the peak value of thermal stress is 47.17 MPa.In addition,the average tensile strength,yield strength and elongation of the samples reach 510 MPa,402 MPa and 6.8%,respectively,after the T5 heat treatment,which meets the GB/T 9438-1999 technical requirements.
【CateGory Index】: TG146.21;U272
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