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Stress-strain state in a combined operation of expansion and swaging when manufacturing adapters
Engineering Education # 08, August 2013
DOI: 10.7463/0813.0578962
The authors consider a combination of two operations (expansion and swaging) in one manufacturing step. A coordinated solution to equilibrium equations, plastic conditions, relations between stresses and strains were used during the analysis of these operations.  As a result, data were obtained for calculation of effective stresses and strains for both zones - swaging and expansion. The results of the study and calculation of the friction effect on the magnitude of stress and strain state in the combined operation are given in this work. Methods of controlling the formation process were defined. A numerical experiment was carried out with the use of MATCAD by varying the main parameters of the process which are friction and strain.
 
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