Научные основы повышения эффективности процесса ковки при знакопеременной деформации

Abstract

The paper considers the idea of alternating deformation under the forging of cast ingots and determinatesthe reasonable form of forging tools. The use of the new tool provides working out of metal structure in first passes by additional alternating deformation without significantly changing the shape of the cross section of the workpiece. The results of the analysis of the strain state of metal under forging by ribbed and flattened hammer head are present. The ways of forging process control to improve the homogeneity of the stain state of ingot, stimulating of polygonized substructure formation during reduction and ultrafine structure after metadynamic recrystallization during pause are found.