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 …

Flow characterization of magnesium alloy ZK61 during hot deformation with improved constitutive equations and using activation energy maps

J Long, Q Xia, G Xiao, Y Qin, S Yuan - International Journal of Mechanical …, 2021 - Elsevier
The present study aimed at characterizing the flow characteristics and workability of an as-
extruded magnesium alloy ZK61 by isothermal compression tests performed at temperatures …

Deformation behavior and microstructure evolution induced by nano-sized Al6Mn phase particles in a homogenized Al–6Mg–0.8 Mn alloy during hot compression

Y Wang, Y Fu, B Yang, M Gao, R Guan - Materials Science and …, 2023 - Elsevier
In the present work, hot compression deformation behavior and microstructure evolution in a
homogenized Al–6Mg–0.8 Mn alloy with nano-sized Al 6 Mn phase particles were …

Constitutive models for high-temperature flow behaviors of a Ni-based superalloy

YC Lin, DX Wen, J Deng, G Liu, J Chen - Materials & Design, 2014 - Elsevier
The high-temperature deformation behaviors of a typical Ni-based superalloy are
investigated by hot compression tests under the strain rate of 0.001–1 s− 1 and temperature …

Hot deformation behavior and microstructure evolution of hot-extruded 6A02 aluminum alloy

Y Zhang, J Jiang, Y Wang, Y Liu, M Huang - Materials Characterization, 2022 - Elsevier
The present work explored the impacts of temperature, strain rate, strain and initial
orientation on hot-compression behavior and microstructural evolvement of hot-extruded …

Hot deformation and microstructural evolution of ultrasonically fabricated as-cast Al-7.3 Zn-2.2 Mg-2Cu alloy

N Raja, A Kumar, SK Patel - Materials Characterization, 2023 - Elsevier
Abstract Al-7.3 Zn-2.2 Mg-2Cu alloy is known for its high strength, achieved because of
higher alloying concentration. However, the higher alloying concentration presents …

Optimization of hybrid manufacturing process combining forging and wire-arc additive manufactured Ti-6Al-4V through hot deformation characterization

AK Maurya, JT Yeom, SW Kang, CH Park… - Journal of Alloys and …, 2022 - Elsevier
Recently, the hybrid method has been developed in which wire and arc additive
manufacturing (WAAM) use to produce the near net shape preform for the single-step hot …

Characterization of hot workability in AA 7050 aluminum alloy using activation energy and 3-D processing map

S Wang, LG Hou, JR Luo, JS Zhang… - Journal of Materials …, 2015 - Elsevier
For characterizing the hot workability of high-strength AA7050 aluminum alloy, constitutive
equations and processing maps were established. The activation energy values under …

Hot deformation behavior and processing map development of cryorolled AA6063 alloy under compression and tension

OB Bembalge, SK Panigrahi - International Journal of Mechanical Sciences, 2021 - Elsevier
The 6xxx series aluminium alloys are extensively used in the structural applications of
automobile and aerospace. The strength of these alloys can be further improved by severe …

Hot tensile deformation behaviors and constitutive model of an Al–Zn–Mg–Cu alloy

M Zhou, YC Lin, J Deng, YQ Jiang - Materials & Design, 2014 - Elsevier
The hot tensile deformation behaviors of an Al–Zn–Mg–Cu alloy are studied by uniaxial
tensile tests under the deformation temperature of 340–460° C and strain rate of 0.01–0.001 …