On the basis of the minimum energy principle and the minimum resistance law,this article proposes a new method,termed equipotential field method,to design the proper preform for producing isothermo forged P/M superall...On the basis of the minimum energy principle and the minimum resistance law,this article proposes a new method,termed equipotential field method,to design the proper preform for producing isothermo forged P/M superalloy disks. Using this new method,six variant preform contours are acquired with software ANSYS. The isothermal forging process of the P/M superalloy disk is simulated by using the industrial software MSC/Superform with thus obtained preforms so as to achieve the equivalent strain distribution in...展开更多
基金Aeronautical Science Foundation of China (03H53048)
文摘On the basis of the minimum energy principle and the minimum resistance law,this article proposes a new method,termed equipotential field method,to design the proper preform for producing isothermo forged P/M superalloy disks. Using this new method,six variant preform contours are acquired with software ANSYS. The isothermal forging process of the P/M superalloy disk is simulated by using the industrial software MSC/Superform with thus obtained preforms so as to achieve the equivalent strain distribution in...