Recrystallization and twinning enhancing mechanical property of laser directed energy deposited CoCrFeNi high entropy alloys induced by synchronous ultrasonic …

G Jiang, Z Chen, C Liu, H Li, C Guo, Z Yang, W Sun… - Additive …, 2024 - Elsevier
Synchronous ultrasonic impact treatment is proposed to induce recrystallization and
twinning of laser directed energy deposited CoCrFeNi high entropy alloy, which remarkably …

Dislocation–grain boundary interactions in Ta: numerical, molecular dynamics, and machine learning approaches

A Kedharnath, R Kapoor, A Sarkar - Journal of Materials Science, 2024 - Springer
The motivation of this work was to find the appropriate molecular dynamics (MD) and slip
transmission parameters of dislocation–grain boundary (GB) interaction in tantalum that …

Preparation and properties of excellent performance W–Cu alloy with a variety of strengthening mechanisms

H Zhang, GH Zhang - Materials Science and Engineering: A, 2024 - Elsevier
In this paper, using the ultrafine W-27.5 wt% Cu-2wt.% Mo-1.75 wt% Ni-0.75 wt% Fe-(0–1)
wt.% CeO 2 alloy powders as raw materials, W–Cu–Mo–Ni–Fe–CeO 2 alloys with excellent …

Prediction of flow stress of Ta–W alloys using machine learning

A Kedharnath, R Kapoor, A Sarkar - Machine Learning: Science …, 2024 - iopscience.iop.org
The primary aim of this article was to predict the flow stress of Ta–W alloys using the
eXtreme Gradient Boosting (XGBoost) machine learning model and to explain the outcome …

Exploiting top ductile B2/β layers to in-situ cold-forging Ti–22Al–25Nb alloy manufactured by laser melting deposition

S Zhang, M **, Y Liu, X Li, Y Zhang, L Cai… - Journal of Alloys and …, 2024 - Elsevier
Abstract Ti–22Al–25Nb intermetallic alloy is the latest generation of lightweight aerospace
material with superior high-temperature performance. In the present study, a novel hybrid 3D …

Nanostructure-property relation of Σ5 grain boundary in HfNbZrTi high-entropy alloy under shear

J Li, Y Wu, Z Bai, W Yu, S Shen - Journal of Materials Science, 2023 - Springer
Recently, the HfNbZrTi high-entropy alloy (HEA) has received extensive attention due to its
exceptional mechanical properties, which is ascribed to the significant lattice distortion and …

Grain refinement mechanism in gradient nanostructured Mg-Gd-Y-Zn-Zr alloy prepared by severe shear deformation

Y Liu, J Yu, G Wu, Z Zhang, D Lu, Z Zhang… - Materials Science and …, 2024 - Elsevier
This study investigated the effects of severe shear (SS) deformation with different revolutions
on the microstructures and hardness of Mg-12.12 Gd-4.2 Y-2.28 Zn-0.36 Zr (wt%) alloy …

Mechanical properties and interfacial characteristics of 6061 Al alloy plates fabricated by hot-roll bonding

Z Luo, X Zhang, Z Liu, H Zhou, M Wang… - International Journal of …, 2024 - Springer
This work aims to investigate the mechanical properties and interfacial characteristics of
6061 Al alloy plates fabricated by hot-roll bonding (HRB) based on friction stir welding. The …

In-situ EBSD tensile revealing the evolution mechanism of high angle grain boundaries in Al–Zn–Mg alloy profile with heterogeneous structures

X He, Y Deng, X Guo - Materials Science and Engineering: A, 2024 - Elsevier
The evolution of grain boundary (GB) of an Al–Zn–Mg alloy profile with heterogeneous
structures is studied based on in-situ EBSD tensile. This evolution is not only related to its …

Studies on Texture Evolutions of High-Purity Tantalum During the Forging and Recrystallization Procedures

J Shi, S Zhang, X Li, X Yu, C Tan, J Yang… - … Materials Transactions A, 2025 - Springer
The effects of the cold forging and recrystallization annealing procedures on the
microstructure and texture evolutions of high-purity tantalum used as target materials were …