Advances in anisotropy of plastic behaviour and formability of sheet metals
This paper reviews the most recent models for description of the anisotropic plastic behavior
and formability of sheet metals. After a brief review of classic isotropic yield functions, recent …
and formability of sheet metals. After a brief review of classic isotropic yield functions, recent …
Predicting shear fracture of aluminum 6016-T4 during deep drawing: Combining Yld-2000 plasticity with Hosford–Coulomb fracture model
Shear fracture cannot be predicted with conventional forming limit curves even though it
often limits the formability of modern engineering materials. To circumvent the need of a …
often limits the formability of modern engineering materials. To circumvent the need of a …
[HTML][HTML] The effect of low stress triaxialities and deformation paths on ductile fracture simulations of large shell structures
M Kõrgesaar - Marine Structures, 2019 - Elsevier
In accidental limit state analysis of ship structures and their components, the common
assumption is that failure takes place in the plate field under multi-axial tension, thus most …
assumption is that failure takes place in the plate field under multi-axial tension, thus most …
[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 …
Variation of mechanical properties and microstructure of hot-rolled AA2099 Al-Li alloy induced by the precipitation during preheating process
F Guo, W Huang, X Yang, H Dong, H Yu… - Journal of Materials …, 2022 - Elsevier
Preheating is the first step for thermal-mechanical processing of the materials. Several
preheating schedules were designed based on industrial manufacturing to explore their …
preheating schedules were designed based on industrial manufacturing to explore their …
Experimental determination and numerical prediction of necking and fracture forming limit curves of laminated Al/Cu sheets using a damage plasticity model
Different mechanical, physical and chemical properties such as high strength-low weight
structures, good corrosion resistance and appropriate thermal and electrical conductivity of …
structures, good corrosion resistance and appropriate thermal and electrical conductivity of …
Analysis of shear ductile damage in forming processes using a micromechanical model with void shape effects
The aim of this work is to investigate and predict ductile failure in forming processes.
Experimental results of deep drawing and corrugation processing on aluminum alloys …
Experimental results of deep drawing and corrugation processing on aluminum alloys …
Anisotropic fracture forming limit curve and its applications for sheet metal forming with complex strain paths of aluminum sheet
In this work, formabilities of aluminum sheet alloy grade AA5052-H32 were investigated
under consideration of the anisotropic behavior of material. Experimental tensile tests and …
under consideration of the anisotropic behavior of material. Experimental tensile tests and …
Stress and strain based fracture forming limit curves for advanced high strength steel sheet
S Panich, M Liewald, V Uthaisangsuk - International Journal of Material …, 2018 - Springer
In this work, strain based fracture forming limit curve (FFLC) of advanced high strength
(AHS) steel grade 980 was determined by means of experimental Nakajima stretch-forming …
(AHS) steel grade 980 was determined by means of experimental Nakajima stretch-forming …
Towards neural network models for describing the large deformation behavior of sheet metal
Neural networks provide a potentially viable alternative to a differential equation based
constitutive models. Here, a neural network model is developed to describe the large …
constitutive models. Here, a neural network model is developed to describe the large …