2017
DOI: 10.1007/978-3-319-70987-1_22
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Stress-Strain State and Plasticity Reserve Depletion on the Lateral Surface of Workpiece at Various Contact Conditions During Upsetting

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Cited by 29 publications
(15 citation statements)
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“…function of the stress-strain state, which is characteristic of this process:  = f(; m0; у), where  is the contact friction coefficient. Bearing in mind when the workpiece has a ratio m0  1 by the frictional forces are neglected [1,5,29], then  = 0; then  = f(m0; у). Assuming of   , used values obtained in equation (5) into equation (3) in relative units.…”
Section: E3s Web Of Conferencesmentioning
confidence: 99%
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“…function of the stress-strain state, which is characteristic of this process:  = f(; m0; у), where  is the contact friction coefficient. Bearing in mind when the workpiece has a ratio m0  1 by the frictional forces are neglected [1,5,29], then  = 0; then  = f(m0; у). Assuming of   , used values obtained in equation (5) into equation (3) in relative units.…”
Section: E3s Web Of Conferencesmentioning
confidence: 99%
“…Upsetting by uncontoured dies is more common. Its purpose is descaling, increasing of workpiece diameter for subsequent cogging, swaging, impression forging or die-forging of forgings with a round in plan view area cross section, improving the inner metal structure and growth of new fine grains [1]. Bending is used for bulk and sheet metal forming, and this operation is usually carried out using contoured dies, forming rolls or bending machines [1][2][3].…”
Section: Introductionmentioning
confidence: 99%
“…The interconnection of the fields of stresses and the fields of deformations creates most difficulties. The exact solution to the mentioned problem can be obtained for the given particular conditions only by the method of numerical integration, if the deformation process is considered in time [14][15][16]. However, this method is rather complicated and does not enable obtaining trailing solutions in the form of analytical functions depending on particular conditions of deformation.…”
Section: The Basic Part Of the Studymentioning
confidence: 99%
“…On the other hand, cybernetic structure of the functional system must ensure fulfillment of all necessary technological and control functions [12]. A resulting product with required quantitative and qualitative parameters should be obtained at the output of such a structure with maximum resource usage efficiency.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%