NUMERICAL SIMULATION OF HIGH RATE DEFORMATION OF TUBE IN EXPLOSIVE WELDING PROCESS

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DARVIZEH A.; LIAGHAT GH.H.; NOURI M.D.

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Journal: MODARES TECHNICAL AND ENGINEERING Year:2003 | Volume:- | Issue:12 Page(s): 89-106

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Title

NUMERICAL SIMULATION OF HIGH RATE DEFORMATION OF TUBE IN EXPLOSIVE WELDING PROCESS

Author(s)

DARVIZEH A. | LIAGHAT GH.H. | NOURI M.D. | Issue Writer Certificate

Keywords

EXPLOSIVE WELDINGQ3

DETONATIONQ4

SIMULATIONQ4

IMPACTQ4

Abstract

EXPLOSIVE WELDING is a process to produce bi- metallic cylindrical components. The process is dynamic and for a chosen geometrical configuration and material properties, is completed in 30m Sec. This paper includes the implication of a finite element engineering package and JWL type pressure- time equation to model the contact response between two similar materials at a very high strain rate - which accurse in EXPLOSIVE WELDING of cylindrical components. The SIMULATION employs the FE ABA QUS/Explicit code and the cylindrical components (tube and plug) are assumed to be made from an aluminum alloy, with isotropic work and hardening characteristics. The aim of present research work is to find the important parameters, such as IMPACT velocity of tube to plug, the dynamic angle, the pressure of the explosion at the point of contact between explosive material and tube, the amount of stress and strain in the tube during the deformation. With use of SIMULATION results, various thickness of Aluminum tube and curve plug were explosively welded. The interfacial zone at the welded interface is composed of a wavy structure by intensive plastic deformation of the Aluminum alloy. The weld ability of Aluminum tube is decided by the change in IMPACT velocity and dynamic angle, which are achieved with the geometry of curve plug. Finally the models are validated by the results from EXPLOSIVE WELDING experiments.

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APA: Copy

DARVIZEH, A., LIAGHAT, GH.H., & NOURI, M.D.. (2003). NUMERICAL SIMULATION OF HIGH RATE DEFORMATION OF TUBE IN EXPLOSIVE WELDING PROCESS. MODARES TECHNICAL AND ENGINEERING, -(12), 89-106. SID. https://sid.ir/paper/25144/en

Vancouver: Copy

DARVIZEH A., LIAGHAT GH.H., NOURI M.D.. NUMERICAL SIMULATION OF HIGH RATE DEFORMATION OF TUBE IN EXPLOSIVE WELDING PROCESS. MODARES TECHNICAL AND ENGINEERING[Internet]. 2003;-(12):89-106. Available from: https://sid.ir/paper/25144/en

IEEE: Copy

A. DARVIZEH, GH.H. LIAGHAT, and M.D. NOURI, “NUMERICAL SIMULATION OF HIGH RATE DEFORMATION OF TUBE IN EXPLOSIVE WELDING PROCESS,” MODARES TECHNICAL AND ENGINEERING, vol. -, no. 12, pp. 89–106, 2003, [Online]. Available: https://sid.ir/paper/25144/en

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