Abstract
The ways to increase strength and durability of axisymmetric pre-stressed multilayer cylinders were studied in this article. Cold forging dies for extrusion of complex shape parts is an example of such equipment. The process of complex shape part cold extrusion was modeled; the internal contact pressure along the interface between die and forged part is studied. In the result, the design procedure and specialized software were developed to allow automated design of complex multilayer equipment and structures. Several approaches and recommendations are proposed for multilayer cylinders design in order to increase it durability
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