Effects of grain size on mechanical properties and work‐hardening behavior of AISI 304 austenitic stainless steel

M Naghizadeh, H Mirzadeh - Steel research international, 2019 - Wiley Online Library
Grain size effects on the properties of AISI 304 austenitic stainless steel are studied. Yield
stress (YS) and ultimate tensile strength (UTS) increased with decreasing grain size (Hall …

Variation of activation energy determined by a modified Arrhenius approach: Roles of dynamic recrystallization on the hot deformation of Ni-based superalloy

P Yang, C Liu, Q Guo, Y Liu - Journal of materials science & technology, 2021 - Elsevier
The hot deformation behaviors of Ni18Cr9Co9Fe5Nb3Mo superalloy were explored in the
formation temperature range free of γ'phase with various strain rates applied. The hot …

[HTML][HTML] Grain refinement in laser powder bed fusion: The influence of dynamic recrystallization and recovery

HE Sabzi, NT Aboulkhair, X Liang, XH Li, M Simonelli… - Materials & Design, 2020 - Elsevier
During laser powder bed fusion (LPBF) the powder bed undergoes several thermal cycles
incorporating complex thermo-mechanical processing. Different restoration mechanisms …

[HTML][HTML] Strengthening control in laser powder bed fusion of austenitic stainless steels via grain boundary engineering

HE Sabzi, E Hernandez-Nava, XH Li, H Fu… - Materials & Design, 2021 - Elsevier
A new approach to modelling the microstructure evolution and yield strength in laser powder
bed fusion components is introduced. Restoration mechanisms such as discontinuous …

Spheroidization and dynamic recrystallization mechanisms of a novel HIPed P/M superalloy during hot deformation

QM Yang, YC Lin, JZ Guo, C Wang, ZJ Chen… - Journal of Alloys and …, 2022 - Elsevier
The spheroidization behavior of γ′ phase and dynamic recrystallization (DRX) mechanisms
of a novel HIPed powder metallurgy (P/M) superalloy deformed at high temperatures (1080 …

Gaussian process regressions on hot deformation behaviors of FGH98 nickel-based powder superalloy

J Xiong, JC He, XS Leng, TY Zhang - Journal of Materials Science & …, 2023 - Elsevier
The hot deformation behaviors of FGH98 nickel-based powder superalloy were
experimentally investigated and theoretically analyzed by Arrhenius models and machine …

DDRX and CDRX of an as-cast nickel-based superalloy during hot compression at γ′ sub-/super-solvus temperatures

B Xie, H Yu, T Sheng, Y Xiong, Y Ning… - Journal of Alloys and …, 2019 - Elsevier
Taking the importance of γ′ phase into consideration, an as-cast nickel-based superalloy
was investigated by uniaxial compression experiments performed at sub-solvus and super …

Effect of Zn addition on the microstructure and mechanical properties of Mg-0.5 Ca-0.5 RE magnesium alloy

M Golrang, M Mobasheri, H Mirzadeh… - Journal of Alloys and …, 2020 - Elsevier
The microstructure and mechanical properties of Mg–Zn-0.5 Ca-0.5 RE magnesium alloy,
with zinc contents of 0, 2, 4, and 6 wt%, were studied. A significant effect of Ca and rare earth …

Influences of solution cooling on microstructures, mechanical properties and hot corrosion resistance of a nickel-based superalloy

DG He, YC Lin, Y Tang, L Li, J Chen, MS Chen… - Materials Science and …, 2019 - Elsevier
The influences of solution cooling on the microstructures, mechanical properties and hot
corrosion resistance of a nickel-based superalloy are researched. It is found that the …

[HTML][HTML] Microstructural variations and kinetic behaviors during metadynamic recrystallization in a nickel base superalloy with pre-precipitated δ phase

DG He, YC Lin, LH Wang - Materials & Design, 2019 - Elsevier
The metadynamic recrystallization (MDRX) features of a Ni-based alloy with pre-precipitated
δ phases (Ni 3 Nb) are researched by two-pass hot compressive experiments …