Modelling of ultrasonic vibration-assisted forming considering the distribution of ultrasonic field with structure deformation

G Shao, H Li, X Zhang, J Zou, Z Huang… - International Journal of …, 2023 - Elsevier
Ultrasonic vibration-assisted (UVA) forming is typically used to promote the forming quality of
complex structures due to the acoustic-plastic effect. Ultrasonic vibration (UV) is always …

Mechanism of intermediate temperature abnormal plasticity in Co–Al–W-base superalloy

H Wang, L Wang, Y Liu, X Song - Materials Science and Engineering: A, 2024 - Elsevier
The mechanism of intermediate temperature abnormal plasticity of Co–Al–W-base
superalloy was investigated. The interrupted tensile specimens were systematically …

[HTML][HTML] Relating stress/strain heterogeneity to lath martensite strength by experiments and dislocation density-based crystal plasticity

T Fischer, T Zhou, CFO Dahlberg… - International Journal of …, 2024 - Elsevier
To enhance the fundamental understanding for micromechanical lath martensite
deformation, the microstructure as well as macro-and microscopic tensile properties of as …

Dark energy in crystals: prediction of stored energy in polycrystalline aggregates

V Phalke, S Forest, HJ Chang, T Rose… - Journal of Materials …, 2024 - Springer
During the plastic deformation of metallic materials, part of expended mechanical energy
diffuses as heat. The fraction of plastic work converted into heat is called the Taylor–Quinney …

Study of the Morphological and Structural Features of Inert Matrices Based on ZrO2–CeO2 Doped with Y2O3 and the Effect of Grain Sizes on the Strength …

AL Kozlovskiy, MV Zdorovets, DI Shlimas - Metals, 2022 - mdpi.com
This article is devoted to the study of the mechanical and strength properties of Y2O3-doped
ZrO2–CeO2 composite ceramics. The choice of these ceramics is due to their prospects in …

A microstructure-based study of irradiation hardening in stainless steel: Experiment and phase field modeling

D Wang, L Zhao, L Xu, Y Han, K Hao - Journal of Nuclear Materials, 2022 - Elsevier
Irradiation hardening plays an important role in the mechanical property and service lifetime
of structural materials in nuclear power plants. The irradiation hardening of irradiated 316H …

Classification of inelastic deformation and material-intrinsic indices about mechanical performance of general solid matter

Y Zhu, S Li, B Wang - Science China Physics, Mechanics & Astronomy, 2023 - Springer
The present article is aimed to detect material-intrinsic indices that can be used to supervise
the mechanical performance of general solid matter. The novelty carried in this article can be …

A dual-scale elasto-viscoplastic self-consistent model for the cyclic behavior of polycrystalline materials considering combined nonlinear kinematic hardening

X He, L Liu, Y Yao - Journal of Materials Science: Materials in Electronics, 2022 - Springer
Abstract Sn–Ag–Cu alloy, which is a solder widely used in the microelectronic industry,
exhibits obvious viscoplasticity even at room temperature. Since its mechanical properties …

Dislocation density-based modeling of the yield drop phenomenon in nickel-based single crystal superalloy

X He, L Liu - Materials Research Express, 2023 - iopscience.iop.org
The phenomenon of yield drop, characterized by a decrease in flow stress after initial yield,
has been observed in various nickel-based superalloys. Despite numerous proposed …

A computationally efficient implementation of continuum dislocation dynamics: Formulation and application to ultrafine-grained Mg polycrystals

X Luo, M Zaiser - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
Continuum dislocation dynamics (CDD) represents the evolution of systems of curved and
connected dislocation lines in terms of density-like field variables which include the volume …