FE-Based Analysis of Heat Bending of Thin-Walled Ti-Alloy Tube with Large Diameter and Small Bending Radius

Heng Li; He Yang; Dan Wang; Zhi Yong Zhang

doi:10.4028/www.scientific.net/AMR.622-623.25

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 622-623FE-Based Analysis of Heat Bending of Thin-Walled...

FE-Based Analysis of Heat Bending of Thin-Walled Ti-Alloy Tube with Large Diameter and Small Bending Radius

Abstract:

The numerical control (NC) heat bending of thin-walled Ti-alloy tube with large diameter and small bending radius with Ф50×1×R75mm (diameter OD bending radius CLR) is explored by 3D-FE thermal-mechanical coupling simulation of heat conducting and NC bending. The results show that: (1) The heating of both pressure die and mandrel is proved to be appropriate to obtain the required temperature field. (2) In terms of wall thickness variation, wrinkling and cross-section deformation, the optimum span of the key parameters are obtained: the bending velocity of 0.4rad/s, the matched pressure die speed of 80%-110%, and temperature of 600-800°C.

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Periodical:

Advanced Materials Research (Volumes 622-623)

Pages:

25-29

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.622-623.25

Citation:

Cite this paper

Online since:

December 2012

Authors:

Heng Li, He Yang, Dan Wang, Zhi Yong Zhang

Keywords:

Fe, Heat Bending, Large Diameter, Small Bending Radius, Ti-Alloy Tube

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