EXPERIMENTAL AND NUMERICAL ANALYSIS OF FRACTURE ON FLEXIBLE ROLL FORMING PROCESS OF CHANNEL SECTION IN ALUMINUM 6061-T6 SHEET

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DADGAR ASL YAGHOUB; SHEIKHI MOHAMMAD MORAD; POURKAMALI ANARAKI ALI; PANAHIZADEH RAHIMLOU V.; HOSEINPOUR GOLLO MOHAMMAD

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:5 Page(s): 329-338

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Title

EXPERIMENTAL AND NUMERICAL ANALYSIS OF FRACTURE ON FLEXIBLE ROLL FORMING PROCESS OF CHANNEL SECTION IN ALUMINUM 6061-T6 SHEET

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Keywords

FLEXIBLE ROLL FORMINGQ1

FRACTURE DEFECTQ1

DUCTILE FRACTURE CRITERIAQ1

FINITE ELEMENT METHOD (FEM)Q2

Abstract

Today, with the development of technology, industries such as automotive and construction require products with variable cross section. Multiplicity of steps, dimensional limitation and high production costs of the components are the reason FLEXIBLE ROLL FORMING process is used to produce these products. One of the main defects in this process is the fracture phenomenon. The fracture is observed on the bending edges at transition zone where sheet thickness is large compared to the bending radius. In this research the fracture phenomenon is investigated on FLEXIBLE ROLL FORMING process of channel section using DUCTILE FRACTURE CRITERIA. For this purpose finite element simulation of the process using Abaqus software is done. The FRACTURE DEFECT in this process is investigated using six DUCTILE FRACTURE CRITERIA by developing a subroutine. Experimental tests are performed on 27 specimens precut sheets of AL6061-T6, using FLEXIBLE ROLL FORMING machine built in Shahid Rajaee University. Numerical results were validated by comparing simulation results with experimental results, In addition, by comparing the results of DUCTILE FRACTURE CRITERIA with experimental results, the Argon DUCTILE FRACTURE CRITERIA, was chosen as the most appropriate criterion to predict fracture. Also the effects of parameters as sheet thickness, bending radius and bending angle on fracture with argon selected criterion are studied.

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APA: Copy

DADGAR ASL, YAGHOUB, SHEIKHI, MOHAMMAD MORAD, POURKAMALI ANARAKI, ALI, PANAHIZADEH RAHIMLOU, V., & HOSEINPOUR GOLLO, MOHAMMAD. (2016). EXPERIMENTAL AND NUMERICAL ANALYSIS OF FRACTURE ON FLEXIBLE ROLL FORMING PROCESS OF CHANNEL SECTION IN ALUMINUM 6061-T6 SHEET. MODARES MECHANICAL ENGINEERING, 16(5), 329-338. SID. https://sid.ir/paper/177948/en

Vancouver: Copy

DADGAR ASL YAGHOUB, SHEIKHI MOHAMMAD MORAD, POURKAMALI ANARAKI ALI, PANAHIZADEH RAHIMLOU V., HOSEINPOUR GOLLO MOHAMMAD. EXPERIMENTAL AND NUMERICAL ANALYSIS OF FRACTURE ON FLEXIBLE ROLL FORMING PROCESS OF CHANNEL SECTION IN ALUMINUM 6061-T6 SHEET. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(5):329-338. Available from: https://sid.ir/paper/177948/en

IEEE: Copy

YAGHOUB DADGAR ASL, MOHAMMAD MORAD SHEIKHI, ALI POURKAMALI ANARAKI, V. PANAHIZADEH RAHIMLOU, and MOHAMMAD HOSEINPOUR GOLLO, “EXPERIMENTAL AND NUMERICAL ANALYSIS OF FRACTURE ON FLEXIBLE ROLL FORMING PROCESS OF CHANNEL SECTION IN ALUMINUM 6061-T6 SHEET,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 5, pp. 329–338, 2016, [Online]. Available: https://sid.ir/paper/177948/en

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