AN UPPER BOUND THREE DIMENSIONAL ANALYSIS OF THE ROLLING OF SHAPED SECT

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ABRI NIA C.; FAZLI RAD S.A.R.

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Journal: Year:2008 | Volume:42 | Issue:1 (111) Page(s): 15-30

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Title

AN UPPER BOUND THREE DIMENSIONAL ANALYSIS OF THE ROLLING OF SHAPED SECT

Author(s)

ABRI NIA C. | FAZLI RAD S.A.R. | Issue Writer Certificate

Keywords

ANALYTICAL SOLUTIONQ3

KINEMATICALLY ADMISSIBLE VELOCITY FIELDQ4

ROLLINGQ3

SHAPED SECTIONQ3

SIMULATIONQ3

UPPER BOUNDQ3

Abstract

In this paper an analytical method of solution is presented for the three dimensional problem of ROLLING in order to investigate the deformation and material flow and calculate the torque and pressure. This theory was used to simulate the ROLLING of SHAPED SECTIONs and the influence of different process parameters on the UPPER BOUND on energy was investigated. The formulation was based on the UPPER BOUND method in which KINEMATICALLY ADMISSIBLE VELOCITY FIELDs were derived using the deformation geometry. By optimizing different parameters given in the formulation the lowest UPPER BOUND was obtained. These parameters were defined in the formulation of the stream lines and stream surfaces which comprised the deformation zone. ROLLING of different shapes such as circle, square, rectangle and ellipse were considered and the theory was applied to these processes. The flow of material under the actions of the rolls and the final shape of the rolled section was predicted by the SIMULATION presented in here. The theoretical results obtained from this theory were compared with other workers experimental and theoretical results and good agreements were observed. The results indicated that the predictions made by the SIMULATION based on this theory were very close to the experimental results and better than FEM and other theoretical results.

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APA: Copy

ABRI NIA, C., & FAZLI RAD, S.A.R.. (2008). AN UPPER BOUND THREE DIMENSIONAL ANALYSIS OF THE ROLLING OF SHAPED SECT. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 42(1 (111)), 15-30. SID. https://sid.ir/paper/14469/en

Vancouver: Copy

ABRI NIA C., FAZLI RAD S.A.R.. AN UPPER BOUND THREE DIMENSIONAL ANALYSIS OF THE ROLLING OF SHAPED SECT. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2008;42(1 (111)):15-30. Available from: https://sid.ir/paper/14469/en

IEEE: Copy

C. ABRI NIA, and S.A.R. FAZLI RAD, “AN UPPER BOUND THREE DIMENSIONAL ANALYSIS OF THE ROLLING OF SHAPED SECT,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 42, no. 1 (111), pp. 15–30, 2008, [Online]. Available: https://sid.ir/paper/14469/en

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