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- W2521871409 abstract "The aim of the work is to analyze the stress-strain state in rough rolling in Mannesmann Demag Sack continuous mill. Computer experiments involved the use of DEFORM software package, and the finite element method was used to solve the problem. The change of the billet shape, distribution of the strain degree, strain rate and longitudinal stresses are analyzed. In the fourth rolling pass, the zones of increased strain (up to 1.00 and above) are arranged along the circle arcs adjacent to the roll gap. The highest strain rate (up to 145 s –1 ) is also achieved at the inlet of the deformation zone directly beneath the rolls. It is established that in all rough passes the greatest strain is localized at the outlet of the roll gap near the peripheral zones. The highest strain rate in each investigated pass is observed in contact areas at the inlet of the deformation zone. The largest longitudinal tensile stresses arise at the inlet and outlet of the deformation zone in non-contact areas. At the same time emergence of a large tensile stress on free surfaces during rolling of a rectangular billet in an oval caliber is revealed which can lead to the disclosure of cracks inherited from the foundry process." @default.
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- W2521871409 date "2016-01-01" @default.
- W2521871409 modified "2023-09-25" @default.
- W2521871409 title "Analysis of stress-strain state in rough continuous rolling of electrical copper" @default.
- W2521871409 doi "https://doi.org/10.14529/met160210" @default.
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