MANUFACTURE INVESTIGATION OF CARTRIDGE WITH BOTTOM-MOST PART FLANGE BY DIRECT EXTRUSION WITH COUNTERPUNCH. REPORT 12. DETERMINATION OF DEFORMED STATE UNDER STRAITENED EXTRUSION IN THIRD CENTRAL AREA OF PLASTIC DEFORMATION
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Formulae have been obtained that are necessary to calculate cumulative deformation in the process of straitened extrusion in the central area closed to the inner part of a formed item wall. The general method of plastic flow proposed by A. L. Vorontsov was used. The obtained formulae allow one to determine the deformed state of a billet in any point of the given area. The formulae should be used to take into account the strengthening of the extruded material.
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2020 ◽
pp. 8-16
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pp. 16-20
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pp. 10-15
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pp. 18-23
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pp. 13-17
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pp. 6-12
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pp. 20-23
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