A Cylindrical Crash Absorber with Discontinuous Protrusions and Its Manufacture Using a Successive Partial Rubber-Bulging Method

Liang, Difei; Xu, Wenhao; Feng, Jieliang; Zhao, Wei; Kawada, Naoki; Zhao, Xilu

doi:10.3390/app112210892

Cited by 3 publications

(1 citation statement)

References 29 publications

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“…Moreover, a simulation analysis model was established to determine the friction coefficient for rubber expansion of Ti-15-3 alloy sheet at room temperature by comparing the experimental data with the simulation data. Liang et al [13] researched the fabrication method of cylindrical collision absorbers with the discontinuous bulge, proposed the fabrication method using continuous partial rubber local expansion and verified the formability by numerical simulation. Belhassen et al [14] studied the effect of different hardness rubbers on sheet forming properties in flexible rubber bulging of AA1050-H14 aluminum metal plate.…”

Section: Introductionmentioning

confidence: 99%

Study on the mechanism of unidirectional loading rubber bulging of bionic egg-shaped shell

Shi

Sun

Shen

et al. 2023

Int J Adv Manuf Technol

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Aiming at the problems of complex processing technology, uneven deformation, and poor forming accuracy of multi-curvature positive Gaussian slewing egg-shaped shells, we propose using unidirectional loading rubber flexible medium bulging technology to improve the tube deformation distribution and enhance the processing accuracy of plastic forming of bionic egg-shaped shells. The optimization problems in the rubber bulging technology of nonhomogeneous deformation egg-shaped shells are explored by analyzing the structure and manufacturing method of egg-shaped shells. The simulation analysis and experimental verification methods are used to study the different technological parameters and forming accuracy of rubber bulging of egg-shaped shells under unidirectional loading and to master the deformation mechanism of rubber bulging of egg-shaped shell structural components under unidirectional loading. The study shows that optimizing technological parameters in unidirectional loading mode can effectively improve the uniformity of strain distribution and thickness distribution during the forming of egg-shaped shells, thus improving the processing accuracy of plastic deformation of bionic egg-shaped thin-walled parts. Furthermore, the simulation of the rubber bulging technology of the egg-shaped shell after the optimization of technological parameters is in good agreement with the experiment.

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Section: Introductionmentioning

confidence: 99%

Study on the mechanism of unidirectional loading rubber bulging of bionic egg-shaped shell

Shi

Sun

Shen

et al. 2023

Int J Adv Manuf Technol

View full text Add to dashboard Cite

show abstract

Energy absorption mechanisms in thin-walled tubes made of traditional materials: 304 stainless steel and 5005-H32 aluminum alloys

Mahuof,

Ateya

2024

2ND INTERNATIONAL CONFERENCE FOR ENGINEERING SCIENCES AND INFORMATION TECHNOLOGY (ESIT 2022): ESIT2022 Conference Proceedings

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Study on the mechanism of unidirectional loading rubber bulging of bionic egg-shaped shell

Shi¹,

Sun

Shen³

et al. 2022

Preprint

View full text Add to dashboard Cite

Aiming at the problems of complex processing technology, uneven deformation, and poor forming accuracy of multi-curvature positive Gaussian slewing egg-shaped shells, we propose using unidirectional loading rubber flexible medium bulging technology to improve the tube deformation distribution and enhance the processing accuracy of plastic forming of bionic egg-shaped shells. The optimization problems in the rubber bulging technology of non-homogeneous deformation egg-shaped shells are explored by analyzing the structure and manufacturing method of egg-shaped shells. The simulation analysis and experimental verification methods are used to study the different technological parameters and forming accuracy of rubber bulging of egg-shaped shells under unidirectional loading and to master the deformation mechanism of rubber bulging of egg-shaped shell structural components under unidirectional loading. The study shows that optimizing technological parameters in unidirectional loading mode can effectively improve the uniformity of strain distribution and thickness distribution during the forming of egg-shaped shells, thus improving the processing accuracy of plastic deformation of bionic egg-shaped thin-walled parts. Furthermore, the simulation of the rubber bulging technology of the egg-shaped shell after the optimization of technological parameters is in good agreement with the experiment.

show abstract

A Cylindrical Crash Absorber with Discontinuous Protrusions and Its Manufacture Using a Successive Partial Rubber-Bulging Method

Cited by 3 publications

References 29 publications

Study on the mechanism of unidirectional loading rubber bulging of bionic egg-shaped shell

Study on the mechanism of unidirectional loading rubber bulging of bionic egg-shaped shell

Energy absorption mechanisms in thin-walled tubes made of traditional materials: 304 stainless steel and 5005-H32 aluminum alloys

Study on the mechanism of unidirectional loading rubber bulging of bionic egg-shaped shell

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