Diffusional and dislocation accommodation mechanisms in superplastic materials

H Masuda, E Sato - Acta Materialia, 2020 - Elsevier
Significant developments in the microstructural characterization of superplasticity have been
achieved in the 2010s, which can be attributed to advanced electron microscopy and well …

Alloy design and characterization of a recrystallized FeCrAl-ODS cladding for accident-tolerant BWR fuels: An overview of research activity in Japan

S Ukai, K Sakamoto, S Ohtsuka, S Yamashita… - Journal of Nuclear …, 2023 - Elsevier
Following the severe accident at the Fukushima Daiichi nuclear power plant in 2011,
recrystallized FeCrAl-ODS claddings have been developed in Japan as an accident-tolerant …

Deformation-induced grain rotation and grain boundary formation achieved through dislocation-disclination reactions in polycrystalline hexagonal close-packed …

C Du, Y Gao, M Zha, C Wang, H Jia, HY Wang - Acta Materialia, 2023 - Elsevier
Grain boundary mediated plasticity (eg, grain rotation and grain boundary sliding) plays a
critical role in determining the deformation behavior of polycrystals, which is especially …

Enhanced superplasticity achieved by disclination-dislocation reactions in a fine-grained low-alloyed magnesium system

C Du, Y Gao, ZM Hua, M Zha, C Wang… - International Journal of …, 2022 - Elsevier
Superplastic forming, as an advanced manufacturing method, is especially important for
producing complex-shaped components for Mg-alloys. Superplasticity can be achieved …

Alloys-by-design: application to titanium alloys for optimal superplasticity

E Alabort, D Barba, MR Shagiev, MA Murzinova… - Acta Materialia, 2019 - Elsevier
An alloy design approach for titanium alloys is presented. New alloys are isolated,
manufactured and tested with an emphasis on the superplastic response. The superplastic …

Effect of equal-channel angular pressing on microstructural evolution, mechanical property and biodegradability of an ultrafine-grained zinc alloy

X Wang, Y Ma, B Meng, M Wan - Materials Science and Engineering: A, 2021 - Elsevier
Zinc alloys have become one of the most promising material groups for biodegradable
medical implants due to their desirable degradability, excellent biocompatibility, unique …

High-temperature creep deformation in FeCrAl-oxide dispersion strengthened alloy cladding

S Ukai, S Kato, T Furukawa, S Ohtsuka - Materials Science and …, 2020 - Elsevier
The FeCrAl-oxide dispersion strengthened (ODS) alloy is the promising cladding material for
the accident-tolerant fuel (ATF) of the light water reactors (LWR) to suppress the oxidation …

Optimization of quasi-β forging parameters to control trimodal microstructure parameters and performance of TC21 forgings

X Li, C Huang, J Yang, F Liu, S Wei, M Wan… - Materials Science and …, 2024 - Elsevier
This study aims to explore the influence of distinct forging parameters on microstructure and
mechanical properties of TC21 forgings. The trimodal microstructure, which includes …

Effects of initial microstructure on hot deformation behavior of Al-7.9 Zn-2.7 Mg-2.0 Cu (wt%) alloy

Q Zang, H Yu, YS Lee, MS Kim, HW Kim - Materials Characterization, 2019 - Elsevier
Abstract The homogenization (470° C/24 h) and annealing treatment (400° C/1 h) before hot
deformation were applied in the Al-7.9 Zn-2.7 Mg-2.0 Cu alloy to control the initial …

Experimental analyses and numerical modeling of the microstructure evolution of aluminum alloy using an internal state variable plasticity-based approach coupled …

X Tian, F Chen, J Jiang, G Wu, Z Cui, D Qian… - International Journal of …, 2022 - Elsevier
Continuous dynamic recrystallization (cDRX) is an effective way to refine the microstructures
of materials with high stacking fault energies during their hot working. However …