A hydrogen diffusion model considering grain boundary characters based on crystal plasticity framework

K Li, B Tang, M Zhang, L Zhao, X Liu, J Fan… - International Journal of …, 2023 - Elsevier
The influence of grain boundaries (GBs) on hydrogen transportation is a crucial factor in
understanding the mechanisms of hydrogen embrittlement (HE) in polycrystalline alloys …

Multi-aspect size effect transition from micro to macroscale: Modelling and experiment

ZY Feng, H Li, D Zhang, XX Guo, YQ Chen… - International Journal of …, 2022 - Elsevier
Size effects (SEs) impede the mass production of high-performance miniaturised
components via micro-forming. Although many studies have examined SEs from multiple …

Slip activities in polycrystals determined by coupling DIC measurements with crystal plasticity calculations

A Guery, F Hild, F Latourte, S Roux - International Journal of Plasticity, 2016 - Elsevier
The role of crystallographic grain size and microstructure of an austenitic stainless steel
(A316LN) is studied via in-situ mechanical testing in an SEM and digital image correlation to …

The influence of size effect on the ductile fracture in micro-scaled plastic deformation

JQ Ran, MW Fu, WL Chan - International Journal of Plasticity, 2013 - Elsevier
In macro-scaled plastic deformation processes, viz., macroforming, the so-called ductile
fracture has been extensively studied in terms of the physics, mechanisms, affecting factors …

Study of microstructural grain and geometric size effects on plastic heterogeneities at grain-level by using crystal plasticity modeling with high-fidelity representative …

H Zhang, J Liu, D Sui, Z Cui, MW Fu - International Journal of Plasticity, 2018 - Elsevier
In-depth understanding of plastic heterogeneities at grain-level and local deformation
behaviors is pivotal in exploring the mechanical response and fracture mechanism of thin …

Local mechanical properties of a dissimilar metal welded joint in nuclear powersystems

HT Wang, GZ Wang, FZ Xuan, CJ Liu, ST Tu - Materials Science and …, 2013 - Elsevier
In this paper, the local mechanical properties (yield/ultimate strength, ductility as well as
stress–strain curves) of an Alloy52M dissimilar metal welded joint (DMWJ) in nuclear power …

Toward qualification of additively manufactured metal parts: Tensile and fatigue properties of selective laser melted Inconel 718 evaluated using miniature specimens

HY Wan, WK Yang, LY Wang, ZJ Zhou, CP Li… - Journal of Materials …, 2022 - Elsevier
Combined with the topology optimization, additive manufacturing can be used to fabricate
metal parts with complex shapes. However, due to the geometrical variations and …

Kocks-Mecking analysis of the size effects on the mechanical behavior of nickel polycrystals

C Keller, E Hug - International Journal of Plasticity, 2017 - Elsevier
In this article, the Kocks-Mecking formalism is employed to analyze the grain size and
thickness effects which modify the mechanical behavior of nickel polycrystals. To this aim, a …

Experimental and numerical investigations of plastic strain mechanisms of AISI 316L alloys with bimodal grain size distribution

C Keller, M Calvat, B Flipon, F Barbe - International Journal of Plasticity, 2022 - Elsevier
In this article, the plastic strain mechanisms of AISI 316L with bimodal grain size distributions
are investigated using experimental characterizations and numerical simulations. Using …

Influence of spark plasma sintering conditions on the sintering and functional properties of an ultra-fine grained 316L stainless steel obtained from ball-milled powder

C Keller, K Tabalaiev, G Marnier, J Noudem… - Materials Science and …, 2016 - Elsevier
In this work, 316L samples with submicrometric grain size were sintered by spark plasma
sintering. To this aim, 316L powder was first ball-milled with different conditions to obtain …