Optimising the strength-ductility-toughness combination in ultra-high strength quenching and partitioning steels by tailoring martensite matrix and retained austenite

Z Wang, MX Huang - International Journal of Plasticity, 2020 - Elsevier
Undesirable fracture resistance has led to critical safety concerns in ultra-high strength
quenching and partitioning (Q&P) steels. The present work proposes a new heat treatment …

Roles of in-plane and out-of-plane T-stresses in crack tip plastic zones and fracture toughness under mixed mode I/II loading

X Huang - Engineering Fracture Mechanics, 2023 - Elsevier
Crack tip plasticity and fracture toughness are usually connected with T-stresses under
mixed mode I/II loading conditions. By means of von Mises yield criterion, a new analytical …

Two-parameter fracture prediction for cracked plates under bending

JY **ao, GZ Wang, YH Wang, ST Tu, FZ Xuan - Engineering Fracture …, 2021 - Elsevier
In this work, the fracture prediction method based on two-parameter JA d*(J-integral and a
new load-independent unified constraint parameter A d*) with considering both in-plane and …

Fracture properties of concrete under cyclic loading

J Zhang, Z Yu, Y Tang, J Shen, H Chen - Construction and Building …, 2021 - Elsevier
Three-point bending tests were performed on pre-notched beams to investigate the fracture
properties of concrete under cycling loading. Electronic speckle pattern Interferometry (ESPI) …

Constraint-corrected failure assessment diagrams based on crack tip plastic zone size

X Huang - Engineering Fracture Mechanics, 2024 - Elsevier
Failure assessment diagram (FAD) is affected by constraints, and it has been corrected by in-
plane T-stress (T 11) in the R6 defect assessment procedure, but the influence of out-of …

Effects of material properties and mismatch on unified constraint parameter

JY **ao, GZ Wang, ST Tu, FZ Xuan - Engineering Fracture Mechanics, 2022 - Elsevier
In order to develop unified constraint-based fracture assessment method, it needs to
investigate the effects of material properties and mismatches on the unified constraint …

A general correlation between ductile fracture toughness and unified constraint parameter for different materials

JY **ao, GZ Wang, JX Zhao, ST Tu, FZ Xuan - Engineering Fracture …, 2023 - Elsevier
In structural integrity assessment based on the two-parameter approach with considering
constraint, it is an important step to establish a correlation between fracture toughness and …

Constraint characterization and fracture initiation analysis for semi-elliptical surface cracks in reactor pressure vessel

Y Zheng, GZ Wang, ST Tu, FZ Xuan - International Journal of Pressure …, 2023 - Elsevier
The constraint and fracture initiation for semi-elliptical surface cracks in an actual large scale
reactor pressure vessel (RPV) have been investigated by finite element analysis. The results …

A comparative study on constraint parameters for characterizing fracture toughness of X60 and X100 pipe steels

C Qian, J Liang, Y Huang, J Kang, J Gianetto - Engineering Failure …, 2022 - Elsevier
The fracture toughness resistance curve (eg, JR curve and crack tip opening displacement
(CTOD) or δ-R curve) is important in facilitating strain-based design and integrity …

Making ultrahigh-strength dual-phase steels tough: Experiment and simulation

L Liu, J He, L Li, Z Liang, Z Peng, J Gao… - Journal of Materials …, 2025 - Elsevier
The low damage resistance and fracture toughness hinder the widespread application of
ultrahigh-strength dual phase (DP) steels. In this work, we propose a novel strategy to …