An Upper Bound Analysis of Sandwich Sheet Rolling Process
Publish place: Journal of Solid Mechanics، Vol: 9، Issue: 3
Publish Year: 1396
Type: Journal paper
Language: English
View: 317
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Document National Code:
JR_JSMA-9-3_012
Index date: 2 March 2020
An Upper Bound Analysis of Sandwich Sheet Rolling Process abstract
In this research, flat rolling process of bonded sandwich sheets is investigated by the method of upper bound. A kinematically admissible velocity field is developed for a single layer sheet and is extended into the rolling of the symmetrical sandwich sheets. The internal, shear and frictional power terms are derived and they are used in the upper bound model. Through the analysis, the rolling torque, the roll separating force and the thickness of each layer at the exit of deformation are determined. The validity of the proposed analytical method is discussed by comparing the theoretical predictions with the experimental data found in the literature and by the finite element method. It is shown that the accuracy of the newly developed analytical model is good.
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An Upper Bound Analysis of Sandwich Sheet Rolling Process authors
H Haghighat
Mechanical Engineering Department, Razi University, Kermanshah, Iran
P Saadati
Mechanical Engineering Department, Razi University, Kermanshah, Iran
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