Machine-learning based temperature-and rate-dependent plasticity model: application to analysis of fracture experiments on DP steel
Slow, intermediate and high strain rate experiments are carried out on flat smooth and
notched tensile specimens extracted from dual phase steel sheets. A split Hopkinson …
notched tensile specimens extracted from dual phase steel sheets. A split Hopkinson …
[HTML][HTML] Neural network based rate-and temperature-dependent Hosford–Coulomb fracture initiation model
The accurate description of the strain rate and temperature dependent response of metals is
a perpetual quest in crashworthiness and forming applications. In the present study …
a perpetual quest in crashworthiness and forming applications. In the present study …
[HTML][HTML] Deformation mechanisms and fracture in tension under cyclic bending plus compression, single point and double-sided incremental sheet forming processes
W Peng, H Ou - International Journal of Machine Tools and …, 2023 - Elsevier
This study investigates the deformation and fracture mechanisms of two testing methods,
tension under cyclic bending (TCB) and tension under cyclic bending plus compression …
tension under cyclic bending (TCB) and tension under cyclic bending plus compression …
A review on ductile fracture prediction of cracked/notched components: The distinct and simplifying roles of the equivalent material concept and fictitious material …
Most of engineering structures and components are made of ductile materials, while fracture
mechanics tools have been mostly developed for brittle materials. This article investigates …
mechanics tools have been mostly developed for brittle materials. This article investigates …
A ductile fracture model incorporating stress state effect
W Dou, Z Xu, Y Han, F Huang - International Journal of Mechanical …, 2023 - Elsevier
To understand comprehensively the relationship between material ductility and stress state,
the new shear, shear-compression, and shear-tension specimens were specially designed …
the new shear, shear-compression, and shear-tension specimens were specially designed …
[HTML][HTML] Effects of intergranular deformation incompatibility on stress state and fracture initiation at grain boundary: Experiments and crystal plasticity simulations
The heterogeneous deformation of polycrystalline metals inherently originates from the
intergranular deformation incompatibility. This paper proposes physical parameters related …
intergranular deformation incompatibility. This paper proposes physical parameters related …
Derivation of heterogeneous material laws via data-driven principal component expansions
A new data-driven method that generalizes experimentally measured and/or computational
generated data sets under different loading paths to build three dimensional nonlinear …
generated data sets under different loading paths to build three dimensional nonlinear …
Damage and fracture prediction of 7075 high-strength aluminum alloy during cryogenic stam** process
W Liu, Y Hao - Mechanics of Materials, 2021 - Elsevier
In order to accurately predict the damage and fracture behaviors of a 7075 aluminum alloy
during cryogenic stam**, a nonlinear damage model taking into account stress triaxiality …
during cryogenic stam**, a nonlinear damage model taking into account stress triaxiality …
Crystal plasticity based investigation of micro-void evolution under multi-axial loading conditions
The present work investigates the effects of stress state and crystallographic orientation of
the principal stress axes on the growth behaviour of micro-voids embedded in an aluminium …
the principal stress axes on the growth behaviour of micro-voids embedded in an aluminium …
MAP123: A data-driven approach to use 1D data for 3D nonlinear elastic materials modeling
Solving three-dimensional boundary-value engineering problems numerically requires
material laws. However, it is difficult to build the material laws in three dimension, since the …
material laws. However, it is difficult to build the material laws in three dimension, since the …