On the prediction of the flow behavior of metals and alloys at a wide range of temperatures and strain rates using Johnson–Cook and modified Johnson–Cook-based …

A Shokry, S Gowid, H Mulki, G Kharmanda - Materials, 2023 - mdpi.com
This paper reviews the flow behavior and mathematical modeling of various metals and
alloys at a wide range of temperatures and strain rates. Furthermore, it discusses the effects …

[HTML][HTML] Discontinuous dynamic recrystallization and nucleation mechanisms associated with 2-, 3-and 4-grain junctions of polycrystalline nickel-based superalloys

B **e, H Li, Y Ning, M Fu - Materials & Design, 2023 - Elsevier
Despite the important role of grain junctions to the dynamic recrystallization (DRX) of nickel-
based superalloys, the nucleation mechanisms operating there and the influence factors …

A novel dynamic recrystallization kinetics model based on particle-stimulated nucleation of the HEXed FGH4113A alloy during hot deformation

JC Zhu, YC Lin, QM Yang, ZJ Chen, M Naseri - Materials Characterization, 2024 - Elsevier
The impact of deformation temperature (1050–1140° C) and strain rate (1–0.001 s− 1) on
the microstructure evolution and dynamic recrystallization (DRX) mechanisms of the HEXed …

Hot deformation and dynamic recrystallization in Al-Mg-Si alloy

J Li, X Wu, L Cao, B Liao, Y Wang, Q Liu - Materials Characterization, 2021 - Elsevier
The hot deformation behavior of Al-Mg-Si alloys was investigated by isothermal
compression tests in a temperature range from 400° C to 550° C and a strain rate range from …

[HTML][HTML] Study of pre-precipitated δ phase promoting deformation twinning and recrystallization behavior of Inconel 718 superalloy during hot compression

W Jiang, J Lu, H Guan, M Wang, X Cheng, L Liu, X Liu… - Materials & Design, 2023 - Elsevier
The delta (δ) processing strategy is an efficient heat treatment to refine and homogenize the
grain microstructure of Inconel 718 superalloy (IN718). However, the microstructure …

Dynamic recrystallization and precipitation behavior of a novel Sc, Zr alloyed Al-Zn-Mg-Cu alloy during hot deformation

C Xu, J Huang, F Jiang, Y Jiang - Materials Characterization, 2022 - Elsevier
The hot deformation behavior of a novel Sc, Zr alloyed Al-Zn-Mg-Cu alloy was explored in
the isothermal hot compression test with a temperature range of 300–500° C and a strain …

[HTML][HTML] Evolution of hot processing map and microstructure of as-forged nickel-based superalloy during hot deformation

L Chen, B Zhang, Y Yang, T Zhao, Y Xu, Q Wang… - Journal of Materials …, 2023 - Elsevier
Nickel-based superalloy has excellent mechanical properties at high temperature. However,
the high deformation resistance, narrow deformation temperature range and complex …

Microstructural origin and control mechanism of the mixed grain structure in Ni-based superalloys

B Zhang, Z Wang, H Yu, Y Ning - Journal of Alloys and Compounds, 2022 - Elsevier
Mixed grain structure, as an incomplete recrystallization, should be homogenized and
refined by subsequent processing to improve the mechanical properties of the aeroengine …

Machine learning-assisted constitutive modeling of a novel powder metallurgy superalloy

H Wen, J **, X Tang, X Wang, H Yang, Y Zhang… - International Journal of …, 2023 - Elsevier
The flow behavior and microstructure evolution during thermomechanical processing (TMP)
of powder metallurgy superalloys are very important for their service behavior. In this …

A unified dislocation density-based model for an aged polycrystalline Ni-based superalloy considering the coupled effects of complicate deformation mechanisms and …

ZJ Chen, YC Lin, DG He, YM Lou, MS Chen - Materials Science and …, 2021 - Elsevier
The flow characteristics and microstructure evolution of an aged nickel-based superalloy are
researched by thermal compression experiments at different temperatures (1223–1283 K) …