Tube Hydroforming
Loading Path Determination for Tube Hydroforming Process of Automotive Component Using APDL
... As a case study, an adaptive simulation method was implemented in APDL to determine suitable load path for tube hydroforming. Using this load path, suitable forming process without bursting and wrinkling ...
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Finite element comparison of single, bi-layered and three-layered tube hydroforming processes
... three-layered tube hydroforming processes were numerically simulated using the finite element ...geometry, tube material and process parameters to be compared between the obtained hydroformed ...
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Pressurization System in Low Pressure Tube Hydroforming
... and hydroforming are only about 5% and 7%, respectively, of those in the expansion ...pressure tube hydroforming and found that only 6% of internal pressure and almost 50% of die closing force was ...
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Mechanics of Ultrasonic Tube Hydroforming
... the tube hydroforming process is the tube size ...the tube diameter on formability for a vehicle bumper rail section (cross-section similar with the contour of a wide letter ...material, ...
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Evaluation of Facture Criteria Considering Complex Loading Paths in Cobalt Alloy Tube Hydroforming
... It can be seen that the energy accumulation value at a local area with the fracture criterion proposed by Cockcroft and Latham can be calculated. When the value reaches the material constant, then ductile fracture occurs ...
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Numerical Analyses of Tube Hydroforming by High Internal Pressure
... Sam postopek preoblikovanja z medijem je v raziskovalnem okolju poznan e dalj èasa, saj segajo prve raziskave preoblikovanja tankostenskih cevi z uporabo notranjega tlaka e v estdeseta in sedemdeseta leta prejnjega ...
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Optimizing tube hydroforming using process simulation and experimental verification
... Tube hydroforming (THF) is now widely used in making tubular parts of different configurations used in automotive industry, household appliances, and other ...during hydroforming); (f) tighter ...
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Simulation Of Tube Hydroforming Process Using Bidimensional Finite Element Analysis With Hyperworks
... the tube hydroforming process (TH), it aims to determine the appropriate hydroforming parameters for the fabrication of the piece known as Elbow Pipe, using the material Mild Steel DC05, in a virtual ...
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Database for Real-Time Loading Path Prediction for Tube Hydroforming
... Tube Hydroforming (THF) which is a subset of the Hydroforming process is a metal forming process in which a tube is plastically expanded into a die cavity by the simultaneous action of fluid ...
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Multi-objective Optimization of Tube Hydroforming Using Hybrid Global and Local Search
... Figure 3.4 Strain path-dependency of FLC (adapted from Graf and Hosford) .......49 Fig 3.5 Prestraining in biaxial tension shifts the FLC down and to the right .......49 Fig. 3.6 (a) Comparison of the as-received FLC ...
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Process Control Modeling and Real-Time Error Compensation in Tube Hydroforming.
... Tube Hydroforming (THF) is the metal forming process where metal tubes take the shape of a die cavity by being pressurized internally by a fluid in addition to axial material feed ...properties, tube ...
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Less Loading Tube Hydroforming Technology on Eccentric Shaft Part by Using Movable Die
... thick-wall tube hydroforming are increasingly used in industries, especially air-conditioner and automotive ...In hydroforming those thick-wall components, the very high internal pressure and ...
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Preform Design in Forging and Tube Hydroforming Processes.
... the tube hydroforming process to accumulate material in the forming zone so as to reduce the thinning rate and improve the ...final tube hydroforming ...304 tube and Al 6061 tube ...
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Empirical modeling & Analysis of Tube Hydroforming process of Inconel 600 using Response Surface Methodology
... In consideration of the cost of process and materials, DOE (Design of experiments) is applied to minimize the total number of experiments required to complete the analysis with same accuracy. In continuation to that, the ...
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Development of a Micro-Tube Hydroforming System.
... micro-tube hydroforming are carried ...for tube placement, each with a different die cavity design so that experiments can be run on multiple geometries simultaneously to facilitate rapid testing of ...
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An Analytical Model for Long Tube Hydroforming in a Square Cross-Section Die Considering Anisotropic Effects of the Material
... strain tube hydroform- ...in tube hydroform- ...two-dimensional hydroforming of circular tubes into rectangular sections was studied by Hwang and Altan [3] using finite element ...the tube ...
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Optimisation of the Initial Tube Geometry for Tube Hydroforming : a mathematical approach
... Tube hydroforming uses a combination of internal pressure and axial feeding to form complex parts, like exhausts, engine cradles and roof ...for hydroforming are mostly round of shape and are ...
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Lubrication in tube hydroforming (THF). Part II: Performance evaluation of lubricants using LDH test and pear shaped tube expansion test
... a tube hydroforming (THF) process are ...pear-shaped tube expansion test (PET) developed by the authors is ...(b) tube wall thinning, tube protrusion height (PH), tube bursting ...
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Lubrication in tube hydroforming (THF). Part I: Lubrication mechanisms and development of model tests to evaluate lubricants and die coatings in the transition and expansion zones
... It is therefore, necessary to investigate the tribological phenomena in THF, and accordingly, develop lubrication systems to enhance tribological performance. Development of robust lubrication systems will however, be ...
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Effect of Bending Method on Tube Hydroforming
... the tube is pushed by axial feeding during the hydroforming ...before hydroforming, in this study, intrusion bending could suppress thickness reduction more than rotary draw bending due to the ...
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