Forming Margin Diagram for Tube Hydroforming with Radial Crushing under Linear Loading Path

Zhi Hua Tao; Lian Fa Yang

doi:10.4028/www.scientific.net/AMR.538-541.1106

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 538-541Forming Margin Diagram for Tube Hydroforming with...

Forming Margin Diagram for Tube Hydroforming with Radial Crushing under Linear Loading Path

Abstract:

Tube hydroforming with radial crushing (THFRC) process is one of tube hydroforming methods that is suitable for overlong structure parts forming process avoiding wrinkling and bursting failure. In this paper, the Forming Margin Diagram (FMD) for THFRC process was presented to optimize loading paths. Initially, parameters of Finite Element (FE) simulation in this study were represented, which contained FE model and linear loading paths. Afterwards, boundaries of the FMD were delimited based on real working status. Moreover, curves of corner radius, bursting failure and thickness uniform rate were determined by FE simulation results to establish the FMD, and the curves and zones on the FMD were analyzed simultaneously. Furthermore, features of contour lines were discussed, and the usage of the FMD was introduced.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

1106-1110

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.1106

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Online since:

June 2012

Authors:

Zhi Hua Tao, Lian Fa Yang

Keywords:

Finite Element Method (FEM), Forming Margin Diagram, Loading Path, Tube Hydroforming

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