[HTML][HTML] A review on flexibility of free bending forming technology for manufacturing thin-walled complex-shaped metallic tubes

A Abd El-Aty, X Guo, MG Lee, J Tao, Y Hou… - International Journal of …, 2023 - Elsevier
Free bending forming (FBF) is a flexible forming technology that gained significant attention
recently because of its broad applications in critical industries such as the automotive …

[HTML][HTML] Impact of bending dies with different friction forms on forming force and quality of tubes manufactured by free bending technology

C Hao, W Hui, A Abd El-Aty, QIN Yao, LI Jiang… - Chinese Journal of …, 2021 - Elsevier
In the 3D free bending forming system, the bending die can be designed either in a sliding
type or rolling friction type. Bending die-based sliding friction type is often called normal …

A mechanical model of symmetrical three-roller setting round process: the static bending stage

J Zhao, G Yu, R Ma - Journal of Materials Processing Technology, 2016 - Elsevier
The static bending deformation of three-roller setting round process is an elastic–plastic
secondary indeterminate problem, and belongs to the plane bending deformation. This …

Numerical simulation and experimental investigations on a three-roller setting round process for thin-walled pipes

X Huang, G Yu, J Zhao, Z Mu, Z Zhang… - The International Journal of …, 2020 - Springer
In order to reveal the process principle of three-roller setting round process and optimize the
setting round strategy, the three-roller setting round process is simulated and experimented …

Theoretical analysis and experimental investigations on the symmetrical three-roller setting round process

G Yu, J Zhao, R Zhai, R Ma, C Wang - The International Journal of …, 2018 - Springer
In this paper, a series of problems about the three-roller setting round process are studied.
The theoretical analysis of increasing the roundness by three-roller bending is carried out …

Influence of punch radius on elastic modulus of three-point bending tests

P Hou, H Zhao, Z Ma, S Zhang, J Li… - Advances in …, 2016 - journals.sagepub.com
Three-point bending is one of the most common methods of studying the mechanical
performance of materials. The influence of punch radius in the measurements is not …

Deformation behavior of convolute thin-walled AA6061-T6 rectangular tubes manufactured by the free bending forming technology

X Cheng, Y Zhao, A Abd El-Aty, X Guo… - The International Journal of …, 2021 - Springer
During manufacturing thin-walled tubes using free bending forming (FBF) technology,
defects such as wrinkling, cracking, and cross-section distortion are easy to exist due to …

An efficient finite element approach for shape prediction in flexibly-reconfigurable roll forming process

H Ghiabakloo, J Kim, BS Kang - International Journal of Mechanical …, 2018 - Elsevier
Flexibly-reconfigurable roll forming (FRRF) process is recently introduced for the production
of doubly-curved sheet metal surfaces with convenient change of the curvatures for each …

An experimental and analytical model for force prediction in sheet metal forming process using perforated sheet and origami principles

MA Ablat, A Qattawi, MS Jaman, C Yau, M Soshi… - Procedia …, 2020 - Elsevier
In this work, we present a model for origami-based sheet metal (OSM) folding that can
predict the required bending force. OSM folding is enabled by introducing bending features …

Elastic-plastic secondary indeterminate problem for thin-walled pipe through the inner-wall loading by three-point bending

G Yu, J Zhao, F Zhao - Mechanics Based Design of Structures and …, 2017 - Taylor & Francis
The inner-wall loading by three-point bending about thin-walled pipe is an elastic-plastic
secondary indeterminate problem in the symmetrical three-roller setting round process. In …