Hot deformation behavior analysis of as-cast CoCrFeNi high entropy alloy using Arrhenius-type and artificial neural network models

M Karimzadeh, M Malekan, H Mirzadeh, N Saini, L Li - Intermetallics, 2024 - Elsevier
An as-cast equiatomic CoCrFeNi high entropy alloy was investigated through hot
compression tests conducted at various temperatures ranging from 700 to 1000° C and …

Dynamic behavior and modified artificial neural network model for predicting flow stress during hot deformation of Alloy 925

Y Zhu, Y Cao, C Liu, R Luo, N Li, G Shu… - Materials Today …, 2020 - Elsevier
In this work, the hot deformation behavior of Alloy 925 with intermediate strain rates of 0.01
s− 1-10s− 1 ranging from 900° C to 1150° C has been investigated through the isothermal …

Hot deformation characteristics and processing map of a phosphorous modified super austenitic stainless steel

KA Babu, S Mandal, CN Athreya, B Shakthipriya… - Materials & Design, 2017 - Elsevier
Hot deformation behavior of a phosphorous-modified super austenitic stainless steel was
studied in the temperature range of 1173–1423 K and strain rate range of 0.001–10 s− 1 …

Influence of processing parameters on dynamic recrystallization and the associated annealing twin boundary evolution in a nickel base superalloy

SK Pradhan, S Mandal, CN Athreya, KA Babu… - Materials Science and …, 2017 - Elsevier
Dynamic recrystallization (DRX) kinetics and its association with annealing twins in alloy
617 has been studied in a range of strain rates (0.001 s− 1 to 10 s− 1) and temperatures …

A comparative study on constitutive relationship of as-cast 904L austenitic stainless steel during hot deformation based on Arrhenius-type and artificial neural network …

Y Han, G Qiao, JP Sun, D Zou - Computational Materials Science, 2013 - Elsevier
Constitutive relationship of as-cast 904L austenitic stainless steel is comparatively
investigated by the Arrhenius-type constitutive model incorporating the strain effect and back …

Comparative study on constitutive relationship of as-cast Ti60 titanium alloy during hot deformation based on Arrhenius-type and artificial neural network models

W Peng, W Zeng, Q Wang, H Yu - Materials & Design, 2013 - Elsevier
Hot compression of as-cast Ti60 titanium alloy at the deformation temperatures ranging from
970 to 1120° C with an interval of 30° C, the strain rates ranging from 0.01 to 10.0 s− 1 and …

Implication of initial grain size on DRX mechanism and grain refinement in super-304H SS in a wide range of strain rates during large-strain hot deformation

KA Babu, YH Mozumder, CN Athreya, VS Sarma… - Materials Science and …, 2022 - Elsevier
In this work, we studied the effect of initial grain size on the hot compression characteristics
of super-304H austenitic stainless steel in a range of strain rates (0.001–1 s− 1) at a fixed …

Characterization of hot deformation behavior of alloy 617 through kinetic analysis, dynamic material modeling and microstructural studies

KA Babu, S Mandal, A Kumar, CN Athreya… - Materials Science and …, 2016 - Elsevier
The hot deformation behavior of alloy 617 has been studied by performing hot compression
in a range of temperatures (1173–1473 K) and strain rates (0.001–10 s− 1). The peak flow …

Hot ductility behavior of an extruded 7075 aluminum alloy

M Taheri-Mandarjani, A Zarei-Hanzaki… - Materials Science and …, 2015 - Elsevier
The ductility behavior of an extruded 7075 aluminum alloy was studied using the tensile
testing method in a wide range of temperatures (100–450° C) and strain rates (10− 1–10–3 …

New insights into the relationship between dynamic softening phenomena and efficiency of hot working domains of a nitrogen enhanced 316L (N) stainless steel

D Samantaray, S Mandal, M Jayalakshmi… - Materials Science and …, 2014 - Elsevier
In the present study, the dynamic recrystallization (DRX) behavior of a nitrogen enhanced
316L (N) stainless steel (with 0.14 wt% N) has been studied in the temperature range of …