A modified micromechanics framework to predict shear involved ductile fracture in structural steels at intermediate and low-stress triaxialities

Y Zhu, R Kiran, J Xing, Z Pan, L Li - Engineering Fracture Mechanics, 2020 - Elsevier
… of shear stress on the micro-mechanisms of ductile fracture is … In metals, the ductile fracture
is a multistep process … study the relationship between the fracture strains and stress triaxiality, …

The micro-mechanisms of fracture in steels used for high integrity structural components

J Knott - Fracture, Plastic Flow and Structural Integrity in the …, 2019 - taylorfrancis.com
… raise the fracture stress that necking and ductile fracture set … a simple monotonic relationship
between carbide thickness … applied shear stress is almost equally high, but the flow stress

Micro-mechanisms and modeling of ductile fracture initiation in structural steel after exposure to elevated temperatures

Y Zhu, S Huang, HU Sajid - Metals, 2021 - mdpi.com
ductile fracture initiation is the linkup of multiple voids, either by internal necking or shear
strain … for the establishment of the relationship between the fracture properties of RT steels and …

A new ductile fracture model for structural metals considering effects of stress state, strain hardening and micro-void shape

W Li, Y Jing, T Zhou, G Xing - Thin-Walled Structures, 2022 - Elsevier
… the deviatoric stress state and directly related to the shear stress … uncoupled fracture model
based on the micro-mechanisms … quantitative relationship between the ductility, strength and …

A new micromechanical criterion for ductile fracture of G20Mn5QT cast steels under shear stress

Y Yin, M Li, Q Han, Y Lu, J Bai - International Journal of Steel Structures, 2022 - Springer
… The relationship between ε cl and these two parameters adopted in this paper is as
shown in Eq. 15. This equation was obtained by removing the constant term of the equation …

Assessment of the micro-mechanical fracture processes within dissimilar metal welds

WJ Brayshaw, AJ Cooper, AH Sherry - Engineering Failure Analysis, 2019 - Elsevier
… The current paper, investigates the ductile fracture … a higher concentration of shear
strain observed with increasing Mode II … The accurate derivation of local damage micro-mechanisms

[PDF][PDF] Micro-Mechanisms and Modeling of Ductile Fracture Initiation in Structural Steel after Exposure to Elevated Temperatures. Metals 2021, 11, 767

Y Zhu, S Huang, HU Sajid - 2021 - researchgate.net
ductile fracture initiation is the linkup of multiple voids, either by internal necking or shear
strain … for the establishment of the relationship between the fracture properties of RT steels and …

[PDF][PDF] Ductile fracture in metals: mechanisms and characterization

F Hannard, A Simar, T Morgeneyer - MEALOR II, 2023 - researchgate.net
… materials up to fracture under shear stress states combined with tensile … The relationship
between strain to fracture and stress triaxiality is quite … 8.3 Ductile damage micro-mechanisms

Fracture prediction for metal sheet deformation under different stress states with uncoupled ductile fracture criteria

R Li, Z Zheng, M Zhan, H Zhang, X Cui, Y Lei - Journal of Manufacturing …, 2022 - Elsevier
… [24] believed that the damage accumulation is linear correlated to stress triaxiality. … to
describe the ductile fracture with the maximum shear stress, and a constant stress triaxiality cut-off …

Plastic behavior and failure mechanism of Ti-6Al-4V under quasi-static and dynamic shear loading

Z Xu, X He, H Hu, PJ Tan, Y Liu, F Huang - International Journal of Impact …, 2019 - Elsevier
… the increasing shear strain rates the failure mechanism changes from a ductile fracture to an
… The difference in the micro-mechanisms of failure for various strain rates is also investigated …