Results 1 to 10 of about 344 (166)
Less-loading hydroforming process for large-size hollow components of aluminum alloy
Journal of Materials Research and Technology, 2021 To overcome the problem of welding distortion on conventional multiple segment structures, and the problem of requiring large-scale forming equipment and severe thinning occurs in high-pressure hydroforming process, a novel less-loading hydroforming ...
Xiao-Lei Cui +4 more
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Buckling of Hydroformed Toroidal Pressure Hulls with Octagonal Cross-Sections
Metals, 2022 This paper is devoted to the hydroforming performances of toroidal pressure hulls with octagonal cross-sections, together with the buckling performances of hydroformed hulls.
Xiaobin Liu +4 more
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Repairing Damaged Screen Pipes with Tube Hydroforming: Experiments and Feasibility Analysis
Machines, 2022 During oil-well production, there are often cracks, breaks, and perforation corrosion on the screen pipe that can significantly deteriorate sand control and pipe strength. To repair damaged screen pipes, we developed a technique originating from the tube
Shufeng Liu +5 more
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Internal Hydroforming of Large Stainless-Steel Eggshells from Stepped Preforms
Metals, 2023 The internal hydroforming of large stainless-steel eggshells from a stepped preform is investigated in this paper. The nominal major and minor axes of the eggshell were 1537 and 1070 mm, respectively.
Yinhui Tang +5 more
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Investigating the Ultrasonic Assistance in the Tube Hydroforming Process [PDF]
Journal of Applied and Computational Mechanics, 2017 The purpose of introducing ultrasonic vibrations in the tube hydroforming process is to create more formability by obtaining a lower corner radius, improve thickness distribution of the wall and provide good tribological conditions at the tube and the ...
Mehdi Zarei +2 more
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AIP Advances, 2022 Hydroforming patch technology for damaged screen pipes is designed based on tube hydroforming technology, and the methods for determining the forming pressure range and forming defects are selected according to the forming process. The hydroforming patch
Shu-feng Liu +5 more
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Investigation on the Ultrasonic Tube Hydroforming in the Bulging Process Using Finite Element Method [PDF]
Journal of Applied and Computational Mechanics, 2017 In ultrasonic tube hydroforming, the tube is hydro formed while the ultrasonic vibration is applied to the die. Prior studies provide experimental proof that ultrasonic tube hydroforming reduces corner radius, improves lubrication and uniform thickness ...
Mehdi Zarei +3 more
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Advances in Mechanical Engineering, 2022 This paper presents a study on the formability prediction, thickness variation, the influence of the gradient temperature, and prediction damage and failure behavior of aluminum sheets in a hydroforming vapor process through experimental and numerical ...
Leila Jebri +3 more
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Hydroforming of elliptical cavities [PDF]
Physical Review Special Topics - Accelerators and Beams, 2015 Activities of the past several years in developing the technique of forming seamless (weldless) cavity cells by hydroforming are summarized. An overview of the technique developed at DESY for the fabrication of single cells and multicells of the TESLA cavity shape is given and the major rf results are presented.
Singer, W. +3 more
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Journal of Materials Research and Technology, 2023 This study presents a one-surface plasticity constitutive model combined with phenomenological and micromechanical damage models to be applied to the large plastic deformation during tube hydroforming.
Chunmei Liu +8 more
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