Results 151 to 160 of about 365,605 (203)

Analytical modelling of tube hydroforming

Thin-Walled Structures, 1999
The automotive industry has shown a growing interest in tube hydroforming during the past years. The advantages of hydroforming (less thinning, a more efficient manufacturing process etc.) can, for instance, be combined with the high strength of extra high strength steels, which are usually less formable, to produce structural automotive components ...
Nader Asnafi
exaly   +3 more sources

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Hydroforming highlights: sheet hydroforming and tube hydroforming

Journal of Materials Processing Technology, 2004
Udgivelsesdato: SEP ...
J Danckert, S H Zhang, S J Yuan
exaly   +3 more sources

Additive Tooling for Tube Hydroforming

Key Engineering Materials, 2013
The use of tube hydroforming in manufacturing is increasing in popularity, particularly in automotive applications where it offers numerous cost and well-recognized performance advantages over conventional stamping and welding processes. In this paper, the use of indirect Additive Tooling is explored in the creation of tool inserts to be used in the ...
Shwe Pyi Soe, Daniel Roy Eyers, Chi Hieu Le, Awanis Romli   +3 more
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Analytical study for tube hydroforming

Journal of Materials Processing Technology, 2002
Abstract Recently, the tube hydroforming technology has been widely used in manufacturing the high-rigidity structural components in automotive industry. However, many failures like wrinkling, buckling, folding back, and bursting are frequently experienced during the tube hydroforming process under improper forming conditions.
Youngsuk Kim
exaly   +2 more sources

Theoretical and experimental analysis of stroke-controlled tube hydroforming

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2000
To select tube hydroforming instead of conventional fabrication, one has to know the tube material behaviour and tribological effects during hydroforming and how the hydroforming operation itself should be controlled. The hydroforming operation is either
Nader Asnafi
exaly   +2 more sources

Formability of Micro-Tubes in Hydroforming

AIP Conference Proceedings, 2011
Micro‐hydroforming is a down‐scaled metal forming process, based on the expansion of micro‐tubes by internal pressurization within a die cavity. The objective of micro‐hydroforming is to provide a technology for the economic mass production of complex shaped hollow micro‐components.
Hartl, Christoph, Anyasodor, Gerald Njiribeako, Lungershausen, Joern   +2 more
openaire   +3 more sources

Study of optimizing a tube hydroforming

2016 4th IEEE International Colloquium on Information Science and Technology (CiSt), 2016
The shaping by hydroforming process involves several complex phenomena and presents several types of nonlinearities (geometric, material,…). The development of a hydroforming operation requires a lot of testing to determine with precision the optimum loads of trips and get a room without defects.
Mohammed Nassraoui, Bouchaib Radi
openaire   +2 more sources

Magnesium tube hydroforming

Materialwissenschaft und Werkstofftechnik, 2008
AbstractMagnesium alloys reveal a good strength‐to‐weight ratio in the family of lightweight metals and gains potential to provide up to 30 % mass savings compared to aluminium and up to 75 % compared to steel. The use of sheet magnesium alloys for auto body applications is however limited due to the relatively low formability at room temperature ...
M. Liewald, R. Pop
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Magnesium Tube Hydroforming

AIP Conference Proceedings, 2007
Magnesium alloys can be considered as alternative materials towards achieving light weight structures with high material stiffness. The formability of two magnesium alloys, viz. AZ31 and ZM21 has been experimentally tested using the IHP forming process.
M. Liewald, R. Pop, S. Wagner
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Tube Formability Assessment for Tube Hydroforming

SAE Technical Paper Series, 2002
<div class="htmlview paragraph">Determination of forming limit of tubes can be difficult when it involves many process related variables and the use of costly hydroforming equipment. Therefore, the industry currently relies on sheet or tube longitudinal properties to estimate tube hydroformability.
Hermina Wang, Pierre Martin
openaire   +1 more source