Grain size dependent mechanical behavior and TRIP effect in a metastable austenitic stainless steel

MJ Sohrabi, H Mirzadeh, S Sadeghpour… - International Journal of …, 2023 - Elsevier
The change in the trends of mechanical behavior and martensite formation of austenitic
steels versus grain size has not yet been explained for the coarse-grained regime …

Geometrically necessary dislocations and related kinematic hardening in gradient grained materials: A nonlocal crystal plasticity study

X Zhang, J Zhao, G Kang, M Zaiser - International Journal of Plasticity, 2023 - Elsevier
Gradient grained metals whose microstructure is characterized by a spatially graded grain
size distribution show a better strength-ductility combination than their homogeneous …

Mechanical behaviors of equiatomic and near-equiatomic face-centered-cubic phase high-entropy alloys probed using in situ neutron diffraction

D Wei, W Gong, T Tsuru, T Kawasaki, S Harjo… - International Journal of …, 2022 - Elsevier
Abstract The equiatomic CoCrFeMnNi Cantor alloy, a face-centered-cubic (FCC) single-
phase high-entropy alloy (HEA), has attracted considerable attention owing to its high …

Crystal plasticity quantification of anisotropic tensile and fatigue properties in laser powder bed fused Inconel 718 superalloy

M Toursangsaraki, D Du, H Wang, A Dong - Additive Manufacturing, 2024 - Elsevier
The high thermal gradients during the laser powder bed fusion (LPBF) process induce an
inhomogeneous microstructure with anisotropic mechanical properties. This study …

Grain size effect on strain localization, slip-grain boundary interaction and damage in the Alloy 718 Ni-based superalloy at 650° C

M Jullien, RL Black, JC Stinville, M Legros… - Materials Science and …, 2024 - Elsevier
Grain size effects on the early plastic strain localization and slip transfer at grain boundaries
were investigated for the Alloy 718 Ni-based superalloy at 650° C. Three microstructures …

Statistical analysis of slip transfer in Al alloy based on in-situ tensile test and high-throughput computing method

X You, J Yang, C Dan, Q Shi, S Zhong, H Wang… - International Journal of …, 2023 - Elsevier
Slip transfer mechanism is studied based on in-situ tensile tests performed on an Al-Mg alloy
and high-throughput computing. A statistical analysis of slip transfer is performed for over …

Creep-fatigue life prediction of notched structure after an advanced surface strengthening treatment in a nickel-based superalloy at 650° C

KS Li, SL Yao, LY Cheng, RZ Wang, L Sun… - International Journal of …, 2024 - Elsevier
The elucidation of creep-fatigue damage mechanisms is still controversial for high-
temperature structures after surface strengthening treatments, which serves as a critical …

Multiscale plasticity behavior and fatigue performance of laser melting multi-layer nickel-based superalloys upon heat treatments

T Zhang, H Yuan - International Journal of Plasticity, 2022 - Elsevier
The present work focuses on heat treatment effects on cyclic plasticity behavior, multiscale
strengthening mechanisms and low cycle fatigue performance of laser melting nickel-based …

Cyclic deformation behavior and damage mechanism of 316H stainless steel under low-cycle fatigue loading at 650° C

J Yang, B Li, K Wang, L Zhao, L Xu, X Chen - International Journal of …, 2024 - Elsevier
Low-cycle fatigue tests were conducted at 650° C to investigate the cyclic deformation
behavior and damage mechanism of 316H stainless steel at various strain amplitudes …

[HTML][HTML] Analysis of slip transfer across grain boundaries in Ti via diffraction contrast tomography and high-resolution digital image correlation: When the geometrical …

E Nieto-Valeiras, A Orozco-Caballero… - International Journal of …, 2024 - Elsevier
High-resolution digital image correlation was employed to analyze the occurrence of slip
transfer across grain boundaries in pure Ti. The microstructure was characterized in 3D …