Research On Hydroforming Process Of High Temperature Alloy GH3030

Because of its excellent physical and chemical properties,GH3030 alloy has a very important role in aerospace materials.In recently years,with the development of the Chinese aviation industry,our country has made great progress in the Aeronautics and Astronautics materials fields.The sheet metal forming is a very important part of metal forming,sheet as raw materials for processing into various parts won the wide application in the aviation,aerospace,automobile locomotives,electric motor and other fields.Especially in the field of Aeronautics and Astronautics,in order to meet the needs of aviation products in the aerodynamic performance,stability and maneuverability,most sheet metal parts are required spatial structure complex.The problems of poor formability,complex process,low size precision,high tooling cost,highly rejection rate and tissue injury in the sheet metal forming process badly affect the part quality.Because of this,it is particularly important to research the sheet metal forming performance.This paper mainly researches the sheet metal parts forming performance of the aircraft engine air intake.The material is high temperature alloy GH3030 in this study.Through the simple tension experiment,the LDR experiment and punch bulging test,we can get material constitutive relations,drawing and bulging performance index,and then use the finite element software DYNAFORM5.9 to simulate the high temperature alloy hydraulic pressure forming process and calculate the appropriate parameters.Last,through the hydromechanical deep drawing experiment forming parameters are compared with the computer simulation,and then obtaining the suitable forming parameters.The results provide a basis for the subsequent sheet metal parts forming process of high temperature alloy GH3030.