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Hydroforming

About: Hydroforming is a research topic. Over the lifetime, 2796 publications have been published within this topic receiving 26293 citations. The topic is also known as: Bulge forming.


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Journal ArticleDOI
TL;DR: In this article, the authors proposed an optimum deformation path for tubular hydroforming, the hydroforming limit of isotropic and anisotropic tubes subjected to internal hydraulic pressure, independent axial load or torque, based on the Hill's general theory for the uniqueness to the boundary value problem.

77 citations

Journal ArticleDOI
TL;DR: In this article, an experimental and numerical simulation was conducted to investigate hydroforming of automotive rectangular-section structural components and the results were used as guidelines for some prototypes, and the effect of loading path on the failures and thickness distribution was discussed and the reasons were analyzed for the failures, such as bursting and folding.
Abstract: An experimental and numerical simulation was conducted to investigate hydroforming of automotive rectangular-section structural components and the results were used as guidelines for some prototypes. The effect of loading path on the failures and thickness distribution was discussed and the reasons were analyzed for the failures, such as bursting and folding. Hydroforming with axial feeding is strongly sensitive to the loading path. Bursting occurs in transition zone in the calibration when the internal pressure increases faster than the axial feeding. Otherwise, folding will take place due to too much axial feeding. There is the maximum thickness at central point of the side of cross-section and the minimum thickness at the transition area. If the n value of the tube material is bigger, the thickness of the final part will be more uniform. By using a petal-like perform section shape, the pressure for forming the transition radii was greatly reduced and components with small radii can be formed with relatively low pressure.

76 citations

BookDOI
14 May 2008
TL;DR: The state-of-the-art of tube hydroforming can be found in this paper, where the authors present the principles of hydroforming, equipment, controls and tooling for tubular hydroforming.
Abstract: Introduction and state-of-the-art of hydroforming. Part 1 Principles of hydroforming: Hydroforming systems, equipment, controls and tooling Deformation mechanism and fundamentals of hydroforming Materials and their characterization for hydroforming Formability analysis for tubular hydroformed parts Design and modeling of parts, process and tooling in tube hydroforming Tribological aspects in hydroforming. Part 2 Hydroforming techniques and their applications: Pre-forming: Tube rotary draw bending and pre-flattening/crushing in hydroforming Hydroforming: hydropiercing, end-cutting, and welding Hydroforming sheet metal forming components Bending and hydroforming of aluminum and magnesium alloy tubes Low pressure tube hydroforming Comparative analysis of hydroforming techniques Fluid cell pressing in the aerospace industry Hydroforming and its role in lightweighting automobiles Warm hydroforming.

76 citations

Journal ArticleDOI
TL;DR: In this article, a special process of hydrodynamic deep drawing assisted by radial pressure was investigated experimentally and the failure modes including fracture and heavy wrinkling were studied and predicted in experiment.

72 citations

Journal ArticleDOI
TL;DR: A detailed survey of the hydroforming literature of both established and emerging processes in a single taxonomy is provided and a discussion on the future of hydroforming including the current state of the art techniques, the research directions, and the process advantages to make predictions about emerging hydroforming technologies.
Abstract: Hydroforming is a relatively new metal forming process with many advantages over traditional cold forming processes including the ability to create more complicated components with fewer operations. For certain geometries, hydroforming technology permits the creation of parts that are lighter weight, have stiffer properties, are cheaper to produce and can be manufactured from fewer blanks which produces less material waste. This paper provides a detailed survey of the hydroforming literature of both established and emerging processes in a single taxonomy. Recently reported innovations in hydroforming processes (which are incorporated in the taxonomy) are also detailed and classified in terms of “technology readiness level”. The paper concludes with a discussion on the future of hydroforming including the current state of the art techniques, the research directions, and the process advantages to make predictions about emerging hydroforming technologies.

72 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202330
202298
202158
202087
201981
201895