scispace - formally typeset
Search or ask a question
Topic

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.


Papers
More filters
Journal ArticleDOI
TL;DR: In this article, the finite element method is used to investigate the cold hydroforming process of a T-shape tube and a series of simulations on hydraulic expansion, axial feeding and the counterforce of the tubes were carried out using the program DEFORM-3D.
Abstract: In this paper, the finite element method is used to investigate the cold hydroforming process of a T-shape tube. A series of simulations on hydraulic expansion, axial feeding and the counterforce of the tubes was carried out using the program DEFORM-3D. The influences of the process parameters such as the internal pressure, the fillet radius, and counterforce on the minimum wall thickness of formed tube are examined. A suitable range of the process parameters for producing an acceptable T-shape tube that fulfils the industrial demand was also found.

19 citations

Journal ArticleDOI
TL;DR: In this paper, a modification made to the classical tube drawing process, the sinking and fixed-mandrel tube drawing methods were mixed together to produce tubes with variable thickness in the axial direction.

19 citations

Journal ArticleDOI
TL;DR: In this article, a feasibility study has been performed to estimate the optimized process conditions in warm tube hydroforming based on the simulated annealing optimization method, and the results show that the optimization procedure used in this research is a reliable and feasible tool in determination of optimal process conditions for sound warm hydroforming process.
Abstract: Feasibility study has been performed to estimate the optimized process conditions in warm tube hydroforming based on the simulated annealing optimization method. Precise prediction and control of process parameters play an important role in forming at warm conditions. Optimal pressure and feed loading paths are obtained for aluminium AA6061 tubes through the simulated annealing algorithm in conjunction with finite element simulations. Numerous axisymmetric geometries are investigated and the effects of expansion ratio, corner fillet to thickness ratio, and initial diameter to thickness ratio are studied. For the feasibility estimation, warm hydroforming experiments have been conducted on aluminum AA6061 under optimal designed conditions. The results show that the optimization procedure used in this research is a reliable and feasible tool in determination of optimal process conditions for the sound warm hydroforming process.

19 citations

Journal ArticleDOI
TL;DR: In this article, the authors studied the modeling of hydroforming processes from experiments and numerical modeling using advanced finite element methods, and demonstrated that simulation results fit well experiments, and also demonstrated that it is possible to access control of process driving parameters, i.e. pressure in the die cavity or blank holder load in order to achieve a specified result in terms of shape or thickness variation.

19 citations

Patent
24 Mar 2000
TL;DR: In this article, a method and a device are described for forming a tubular work into a shaped hollow product by using hydroforming process, and the female and male dies are prepared.
Abstract: For forming a tubular work into a shaped hollow product by using hydroforming process, a method and a device are described. In the method, female and male dies are prepared. The female die has a longitudinally extending cavity which has a polygonal cross section when receiving the male die. The tubular work is placed into the cavity of the female die. The interior of the tubular work is then fed with a hydraulic fluid, and the pressure of the fluid is increased to a given level. The given level is smaller than a critical level that causes a bulging of the tubular work. The male die is then pressed against the tubular work to deform the same while keeping the hydraulic fluid at the given level, thereby forming a shaped hollow product that has a polygonal cross section that conforms to that of the cavity. The pressing work is continued until a circumferential length of the shaped hollow product becomes shorter than that of the tubular work.

19 citations


Network Information
Related Topics (5)
Machining
121.3K papers, 1M citations
85% related
Welding
206.5K papers, 1.1M citations
81% related
Deformation (engineering)
41.5K papers, 899.7K citations
80% related
Alloy
171.8K papers, 1.7M citations
80% related
Microstructure
148.6K papers, 2.2M citations
79% related
Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202330
202298
202158
202087
201981
201895