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Simple shear methodology for local structure–property relationships of sheet metals: State-of-the-art and open issues
Simple shear presents a local material structure–property relationship and plays an
important role in the development of material design, mechanical modeling, and …
important role in the development of material design, mechanical modeling, and …
A review of characterization and modelling approaches for sheet metal forming of lightweight metallic materials
Lightweight sheet metals are attractive for aerospace and automotive applications due to
their exceptional properties, such as low density and high strength. Sheet metal forming …
their exceptional properties, such as low density and high strength. Sheet metal forming …
A general yield function with differential and anisotropic hardening for strength modelling under various stress states with non-associated flow rule
Sheet metal experiences various stress states during plastic deformation, including uniaxial
compression, shear, uniaxial, plane strain and equibiaxial tension, but the existing yield …
compression, shear, uniaxial, plane strain and equibiaxial tension, but the existing yield …
A new anisotropic-asymmetric yield criterion covering wider stress states in sheet metal forming
The stress state-dependent plastic anisotropy of sheet metals has drawn significant
attention. Nevertheless, existing phenomenological plasticity models limitedly capture the …
attention. Nevertheless, existing phenomenological plasticity models limitedly capture the …
Lode-dependent anisotropic-asymmetric yield function for isotropic and anisotropic hardening of pressure-insensitive materials. Part I: Quadratic function under non …
It is challenging to precisely model the complicated plastic deformation of metals, including
anisotropy in strength and plastic deformation, strength differential effect, anisotropic …
anisotropy in strength and plastic deformation, strength differential effect, anisotropic …
A generalized, computationally versatile plasticity model framework-Part I: Theory and verification focusing on tension‒compression asymmetry
Microstructural characteristics and complex loading conditions in the deformation of metallic
materials lead to complexity in mechanical responses. In this study, we propose a …
materials lead to complexity in mechanical responses. In this study, we propose a …
Characterization and modelling of evolving plasticity behaviour up to fracture for FCC and BCC metals
C Zhang, Y Lou - Journal of Materials Processing Technology, 2023 - Elsevier
Yield surfaces evolve depending on loading directions (anisotropic hardening) and stress
states (differential hardening) during plastic deformation of sheet metals. A new analytical …
states (differential hardening) during plastic deformation of sheet metals. A new analytical …
Modeling stress anisotropy, strength differential, and anisotropic hardening by coupling quadratic and stress-invariant-based yield functions under non-associated …
An accurate description of yield surface is essential for the high-fidelity numerical analyses
of sheet metal forming processes. In this work, a simple coupling of anisotropic quadratic …
of sheet metal forming processes. In this work, a simple coupling of anisotropic quadratic …
Analytical description of an asymmetric yield function (Yoon2014) by considering anisotropic hardening under non-associated flow rule
A simple analytical form for yield surface distortion under non-associated flow rule is
developed from the expression of the transformed second and third deviatoric stress …
developed from the expression of the transformed second and third deviatoric stress …
A non-quadratic pressure-sensitive constitutive model under non-associated flow rule with anisotropic hardening: Modeling and validation
A non-associated flow rule (non-AFR) constitutive model is proposed to describe the
evolving yield stress and plastic potential surfaces of sheet metal under plane stress …
evolving yield stress and plastic potential surfaces of sheet metal under plane stress …