ULTRASONIC TUBE HYDROFORMING, A NUMERICAL AND ANALYTICAL STUDY

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EFTEKHARI SHAHRI S.E.; AHMADI BROOGHANI S.Y.; KHALILI K.; KANG B.S.

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Paper Information

Journal: Modares Mechanical Engineering Year:2013 | Volume:13 | Issue:4 Page(s): 46-59

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Title

ULTRASONIC TUBE HYDROFORMING, A NUMERICAL AND ANALYTICAL STUDY

Author(s)

EFTEKHARI SHAHRI S.E. | AHMADI BROOGHANI S.Y. | KHALILI K. | KANG B.S. | Issue Writer Certificate

Keywords

TUBE HYDROFORRNINGQ2

ULTRASONIC VIBRATIONQ2

CORNER FILLING RATIOQ2

UNIFORMITY OF WALL THICKNESSQ2

Abstract

In tube hydroforming process, due to friction condition, uniform wall thickness, as well as sharp corners may not be achieved. Use of ULTRASONIC VIBRATION can improve the contact conditions at the tube-die interface. The current work studies the effect of applying ULTRASONIC VIBRATION on wall thickness and corner filling of hydroformed tubes. Firstly, a numerical model based on geometric relationships and stress-strain state has been established by which wall thickness and corner radius of hydroformed tubes can be obtained. In this model, the ULTRASONIC VIBRATIONs affect the non linear friction conditions at the tube-die interface. By comparing the FEM models of tubes in two cases of with vibration and without vibration, it is possible to investigate the effects of vibration on wall thickness and corner filling. The results indicate superimposing ULTRASONIC VIBRATIONs to the process will increase CORNER FILLING RATIO of the tube significantly, and more uniform tube wall thickness will be achieved.

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References

A NEW HYDRO FORMING DIE DESIGN FOR IMPROVEMENT OF DIE CORNER FILLING OF STEPPED TUBES

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APA: Copy

EFTEKHARI SHAHRI, S.E., AHMADI BROOGHANI, S.Y., KHALILI, K., & KANG, B.S.. (2013). ULTRASONIC TUBE HYDROFORMING, A NUMERICAL AND ANALYTICAL STUDY. MODARES MECHANICAL ENGINEERING, 13(4), 46-59. SID. https://sid.ir/paper/178414/en

Vancouver: Copy

EFTEKHARI SHAHRI S.E., AHMADI BROOGHANI S.Y., KHALILI K., KANG B.S.. ULTRASONIC TUBE HYDROFORMING, A NUMERICAL AND ANALYTICAL STUDY. MODARES MECHANICAL ENGINEERING[Internet]. 2013;13(4):46-59. Available from: https://sid.ir/paper/178414/en

IEEE: Copy

S.E. EFTEKHARI SHAHRI, S.Y. AHMADI BROOGHANI, K. KHALILI, and B.S. KANG, “ULTRASONIC TUBE HYDROFORMING, A NUMERICAL AND ANALYTICAL STUDY,” MODARES MECHANICAL ENGINEERING, vol. 13, no. 4, pp. 46–59, 2013, [Online]. Available: https://sid.ir/paper/178414/en

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