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Numerical investigation of ramp and constant pressurization system during tube crushing process

Nikhare, C. and Hodgson, P. D. 2008, Numerical investigation of ramp and constant pressurization system during tube crushing process, in ICAMT 2008 : Proceedings of International Conference on Advances in Manufacturing Technology, Indian National Academy of Engineering (INAE), Chennai, India, pp. 1-8.

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Title Numerical investigation of ramp and constant pressurization system during tube crushing process
Author(s) Nikhare, C.
Hodgson, P. D.
Conference name International Conference on Advances in Manufacturing Technology (2008 : Chennai, India)
Conference location Chennai, India
Conference dates 6-8 February 2008
Title of proceedings ICAMT 2008 : Proceedings of International Conference on Advances in Manufacturing Technology
Editor(s) Raj, Baldev
Publication date 2008
Conference series International Conference on Advances in Manufacturing Technology
Start page 1
End page 8
Total pages 8
Publisher Indian National Academy of Engineering (INAE)
Place of publication Chennai, India
Summary The requirement for the automotive industry at present and even more so in the future is to simultaneously develop materials, economic forming processes and techniques for weight reduction of the component. To fulfil this need steel manufacturers have developed Advanced High Strength Steels which have high strength and good formability. Due to high strength, material thickness can be reduced without compromising the function of the component. High pressure hydro forming is one process that can be used to produce complex components from these materials. However, reduction in material thickness of these steels does not result in a large decrease of internal fluid pressure and die closing force during tube hydro forming and hence the higher strengths of these steels will require higher pressures. Tube crushing is a process in which the component can be formed with low pressures. In this paper numerical comparison of ramp and constant pressurization system during tube crushing for a TRIP steel is studied. It is proposed that ramp pressure is the best option to obtain a part with accurate geometrical shape from tube crushing with less die closing force. The stress and thickness distribution of the part during tube crushing were critically analysed.
Language eng
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2008, ICAMT
Persistent URL http://hdl.handle.net/10536/DRO/DU:30018320

Document type: Conference Paper
Collection: Centre for Material and Fibre Innovation
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