Combined rate-temperature effects in postnecking plasticity of A2-70 stainless steel

G Mirone, R Barbagallo, L Corallo - International Journal of Mechanical …, 2024 - Elsevier
In this paper, a comprehensive study that integrates theoretical, experimental and FE
analyses, elucidates the combined effect of strain, strain rate, and temperature on the …

Predicting ductile fracture during torsion testing using dislocation density tensor

K Komori, S Kaneko - Engineering Fracture Mechanics, 2024 - Elsevier
A model based on dislocation density tensor is proposed for predicting ductile fracture
during torsion testing. The effect of prestrain induced by bar drawing on fracture strain is …

A novel deformation mode of expansion tubes accounting for extra contact

B Tan, S Yao, L Zhang, P Xu, Q Che - International Journal of Mechanical …, 2023 - Elsevier
Expansion tubes are the main energy absorber of coupler and draft gear used on high-
speed trains. With the rapidly increasing demand for energy-absorbing, the stroke is trying to …

[HTML][HTML] Flow stress curves for 980MPa-and 1.5 GPa-class ultra-high-strength steel sheets weakened under high-stress triaxiality

T Matsuno, D Kondo, T Hama, T Naito, Y Okitsu… - International Journal of …, 2024 - Elsevier
The weakening behavior of ultra-high-strength steel (UHSS) remains unknown, even though
it is a requirement for the accurate prediction of strain localization and ductile fracture in …

A novel dual-stage failure criterion based on forming limit curve for uncured GLARE

M Zhang, Z Cheng, Y Chen, Y Wang, Z Zou… - Journal of Materials …, 2024 - Elsevier
Forming limit curve (FLC) is an essential criterion for evaluating the formability of fiber metal
laminates (FMLs) in mass fabrication. However, conventional methodologies are unable to …

[HTML][HTML] Ductile crack propagation path depending on material properties: Experimental results and discussions based on numerical simulations

K Shibanuma, S Tu, S Suzuki, Z Yu, R Kato… - Materials & Design, 2022 - Elsevier
To ensure the structural integrity of advanced thin sheet metals in engineering applications,
it is necessary to understand their ductile crack propagation behaviour. In this work, we …

Fracture analysis of hydrogen-embrittled API X52 pipes at low temperature

JY Kim, KW Seo, YJ Kim, KS Kim - International Journal of Mechanical …, 2024 - Elsevier
This paper quantifies the effect of temperature (ranging from room temperature (RT) to-90°
C) on fracture toughness for hydrogen-embrittled API X52 by combining small punch (SP) …

[HTML][HTML] Prediction of the irradiation effect on the fracture toughness for stainless steel using a stress-modified fracture strain model

JS Kim, JM Kim - International Journal of Mechanical Sciences, 2024 - Elsevier
This paper proposes a numerical method for predicting the reduction in the fracture
toughness with neutron dose using the concept of an embrittlement constant. Tensile and …

Finite Element Ductile Fracture Simulation of Charpy and Drop Weight Tear Tests for API X52

KW Seo, JY Kim, YJ Kim, KS Kim - Theoretical and Applied Fracture …, 2024 - Elsevier
This paper presents a systematic procedure for performing finite element (FE) impact ductile
fracture simulation of Charpy (CVN) and Drop Weight Tear Tests (DWTT) with validation …

Condition assessment of primary barriers in LNG cargo containment systems under multifaceted loadings: tension, compression, shear and pressure

DK Kim, S Cho, D Park, BS Jang, NK Cho… - Ships and Offshore …, 2025 - Taylor & Francis
This study investigates the structural integrity of the GTT Mark III membrane-type Liquefied
Natural Gas Cargo Containment System (LNG CCS), focusing on the 1.2 mm SUS304L …