Abstract
The results of studying the features of the strained state of porous billets at various deformation stages in the closed and open dies are presented. It is shown that the application of the open die forging (ODF) promotes an increase in the intensity level of shear deformations for all forging piece layers as compared with closed die forging (CDF). However, when implementing ODF, it is impossible to form the poreless state overall the forging piece volume with identical charge weight and degree of axial deformation as compared with CDF due to the partial extrusion of the forging piece material into the flash at the final deformation stage. This fact predetermines the necessity of correction towards increasing the billet weight for ODF.
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Schedule a callMore From: Izvestiya Vuzov. Tsvetnaya Metallurgiya (Proceedings of Higher Schools. Nonferrous Metallurgy)
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