Overview on the prediction models for sheet metal forming failure: Necking and ductile fracture
Q Hu, F Zhang, X Li, J Chen - Acta Mechanica Solida Sinica, 2018 - Springer
The formability of the material determines the amount of available deformation before failure
and thus is important for the production of various structural components in industries. The …
and thus is important for the production of various structural components in industries. The …
Experimental and theoretical investigation of forming limit diagram for Ti-6Al-4 V alloy at warm condition
Forming limit diagram (FLD) is an important performance index to describe the maximum
limit of principal strains that can be sustained by sheet metals till to the onset of localized …
limit of principal strains that can be sustained by sheet metals till to the onset of localized …
Deep learning-based indentation plastometry in anisotropic materials
Indentation plastometry extracting plastic properties of a material from a non-destructive
instrumented indentation has emerged as an efficient and practical method beyond the …
instrumented indentation has emerged as an efficient and practical method beyond the …
Neural network model predicting forming limits for Bi-linear strain paths
Abstract The Forming Limit Curve (FLC) describes the maximum in-plane strains that can be
applied to sheet metal before necking initiates. It is well known that the FLC depends on the …
applied to sheet metal before necking initiates. It is well known that the FLC depends on the …
Investigation of T-stress and tensile strength effect on crack tip conditions and crack initiation angle in off-axis laminate composite
In this work, five different yield criteria have been used, maximum tangential stress (MTS),
maximum energy release rate (MERR), Hill-48, Hill-90, and Barlat-93, in order to determine …
maximum energy release rate (MERR), Hill-48, Hill-90, and Barlat-93, in order to determine …
Experimental and theoretical investigation on the forming limit of 2024-O aluminum alloy sheet at cryogenic temperatures
C Wang, Y Yi, S Huang, F Dong, H He… - Metals and Materials …, 2021 - Springer
Cryogenic forming, a new technology used to manufacture aluminum alloy thin-walled parts,
has attracted much attention in recent years. This work presents an experimental and …
has attracted much attention in recent years. This work presents an experimental and …
Predictive dual-scale finite element simulation for hole expansion failure of ferrite-bainite steel
A dual-scale finite element model is proposed to investigate the failure of ferrite-bainite (FB)
dual-phase steel in the hole expansion test. The first level simulation solves the elastic …
dual-phase steel in the hole expansion test. The first level simulation solves the elastic …
[HTML][HTML] Suppression of necking in incremental sheet forming
DY Seong, MZ Haque, JB Kim, TB Stoughton… - International Journal of …, 2014 - Elsevier
Incremental sheet forming enables sheet metal to deform above a conventional strain-based
forming limit. The mechanics reason has not been clearly explained yet. In this work, the …
forming limit. The mechanics reason has not been clearly explained yet. In this work, the …
An extended MK model under surface traction with adjustable gradient distribution
L Ma, L Zheng, Z Wang - International Journal of Plasticity, 2023 - Elsevier
The forming limit of sheets usually corresponds to the strain accumulation before localized
necking and is closely related to the loading state. In the viscous pressure forming (VPF) …
necking and is closely related to the loading state. In the viscous pressure forming (VPF) …
[HTML][HTML] Hosford-Coulomb ductile failure model for shell elements: Experimental identification and validation for DP980 steel and aluminum 6016-T4
When using shell elements, the Domain of Shell-to-Solid Equivalence (DSSE) needs to be
defined in addition to the Hosford-Coulomb (HC) fracture initiation model to guarantee the …
defined in addition to the Hosford-Coulomb (HC) fracture initiation model to guarantee the …