A review of hot deformation behavior and constitutive models to predict flow stress of high-entropy alloys

Z Savaedi, R Motallebi, H Mirzadeh - Journal of Alloys and Compounds, 2022 - Elsevier
This review article summarizes the hot deformation behavior of high entropy alloys (HEAs)
and the corresponding constitutive description of flow stress. The potential of hot working for …

[HTML][HTML] Grain refinement of magnesium alloys by dynamic recrystallization (DRX): A review

H Mirzadeh - Journal of Materials Research and Technology, 2023 - Elsevier
During elevated-temperature thermomechanical processing, the occurrence of
recrystallization during straining is known as dynamic recrystallization (DRX), which usually …

Uncovering of the formation of rare earth texture and pseudo fiber bimodal microstructure in the high ductility Mg-2Gd-0.4 Zr alloy during extrusion

T Zheng, Y Hu, C Zhang, T Zhao, B Jiang, F Pan… - Journal of Materials …, 2024 - Elsevier
The aim of this research was to elucidate the underlying mechanism involved in the
formation of rare earth (RE) texture and pseudo fiber bimodal microstructure in the high …

Mechanisms of macrozone elimination and grain refinement of near α Ti alloy via the spheroidization of the Widmannstätten structure

S Xu, H Zhang, N Xiao, R Qiu, Z Cui, M Fu - Acta Materialia, 2023 - Elsevier
Regions with sharp local textures, ie, macrozones, are common microstructural
inhomogeneities in titanium (Ti) alloys that significantly reduce the fatigue resistance of Ti …

Heterogeneous fiberous structured Mg-Zn-Zr alloy with superior strength-ductility synergy

W Fu, P Dang, S Guo, Z Ren, D Fang, X Ding… - Journal of Materials …, 2023 - Elsevier
Here we reported a heterogeneous fiberous structured Mg-5.6 Zn-0.6 Zr (wt%) alloy
obtained by conventional extrusion method, which exhibited high yield strength of∼ 345 …

A comparative analysis of Inconel 718 made by additive manufacturing and suction casting: Microstructure evolution in homogenization

Y Zhao, K Li, M Gargani, W Xiong - Additive Manufacturing, 2020 - Elsevier
Homogenization is one of the critical stages in the post-heat treatment of additive
manufacturing (AM) component to achieve uniform microstructure. During homogenization …

[HTML][HTML] A review of Mg alloys containing long-period stacking ordered (LPSO) structures with insight into the application of friction stir processing

MS Geshani, PM Kalayeh, AH Asadi… - Journal of Materials …, 2023 - Elsevier
Owing to their excellent mechanical/functional properties, the lightweight magnesium alloys
containing long-period stacking ordered (LPSO) structures have recently received a great …

Dynamic recrystallization and hot processing map of Ti-48Al-2Cr-2Nb alloy during the hot deformation

X Chen, B Tang, D Liu, B Wei, L Zhu, R Liu… - Materials …, 2021 - Elsevier
Dynamic recrystallization (DRX) mechanism of Ti-48Al-2Cr-2Nb (at.%) alloy was
investigated by thermal uniaxial compression experiments in this work. The deformed …

Enhanced electrical, mechanical and tribological properties of Cu-Cr-Zr alloys by continuous extrusion forming and subsequent aging treatment

Z Shen, Z Lin, P Shi, J Zhu, T Zheng, B Ding… - Journal of Materials …, 2022 - Elsevier
As a promising material for the new generation of high-speed railway contact wires, the
comprehensive optimization of the electrical conductivity, strength, hardness and wear …

Dynamic recrystallization of titanium: Effect of pre-activated twinning at cryogenic temperature

CK Yan, AH Feng, SJ Qu, GJ Cao, JL Sun, J Shen… - Acta Materialia, 2018 - Elsevier
A pre-cold-deformation process was applied for commercially pure titanium at cryogenic
temperature to activate high-density deformation twins, and subsequent hot-deformation …