Overview: additive manufacturing enabled accelerated design of Ni-based alloys for improved fatigue life

S Shao, MM Khonsari, S Guo, WJ Meng, N Li - Additive Manufacturing, 2019 - Elsevier
An in-depth overview on an emerging area of the additive-manufacturing-enabled,
accelerated design of Ni-based alloys for improved high-cycle and very-high-cycle fatigue …

Overview on microstructure-and defect-sensitive fatigue modeling of additively manufactured materials

B Torries, A Imandoust, S Beretta, S Shao, N Shamsaei - Jom, 2018 - Springer
The possibility of predicting the fatigue behavior of additively manufactured materials by
means of microstructure-and defect-sensitive models is discussed in this paper. The effects …

[HTML][HTML] Grain refinement in laser powder bed fusion: The influence of dynamic recrystallization and recovery

HE Sabzi, NT Aboulkhair, X Liang, XH Li, M Simonelli… - Materials & Design, 2020 - Elsevier
During laser powder bed fusion (LPBF) the powder bed undergoes several thermal cycles
incorporating complex thermo-mechanical processing. Different restoration mechanisms …

[HTML][HTML] Strengthening control in laser powder bed fusion of austenitic stainless steels via grain boundary engineering

HE Sabzi, E Hernandez-Nava, XH Li, H Fu… - Materials & Design, 2021 - Elsevier
A new approach to modelling the microstructure evolution and yield strength in laser powder
bed fusion components is introduced. Restoration mechanisms such as discontinuous …

Introducing dislocation climb by bulk diffusion in discrete dislocation dynamics

D Mordehai, E Clouet, M Fivel, M Verdier - Philosophical Magazine, 2008 - Taylor & Francis
We report a method to incorporate dislocation climb controlled by bulk diffusion in a three-
dimensional discrete dislocation dynamics (DDD) simulation for fcc metals. In this model we …

Crystal plasticity-based analysis and modelling of grain size and strain path dependent micro-scaled deformation mechanisms of ultra-thin sheet metals

Z Xu, R Zhang, L Peng, MW Fu - International Journal of Plasticity, 2023 - Elsevier
Multi-stage microforming is increasingly used in manufacturing of the miniaturized parts with
complex structures and geometries. Optimization design of this type of manufacturing …

The effect of repeated repair welding on mechanical and corrosion properties of stainless steel 316L

I AghaAli, M Farzam, MA Golozar, I Danaee - Materials & Design (1980 …, 2014 - Elsevier
The purpose of this study is to evaluate changes in the mechanical, micro structural and the
corrosion properties of stainless steel 316L under repeated repair welding. The welding and …

Low-strain fatigue in AISI 316L steel surface grains: a three-dimensional discrete dislocation dynamics modelling of the early cycles I. Dislocation microstructures and …

C Déprés, CF Robertson*, MC Fivel - Philosophical Magazine, 2004 - Taylor & Francis
The early stages of the formation of dislocation microstructures in low-strain fatigue are
analysed, using three-dimensional discrete dislocation dynamics modelling. Simulations …

[HTML][HTML] Composition and process parameter dependence of yield strength in laser powder bed fusion alloys

HE Sabzi, PEJ Rivera-Díaz-del-Castillo - Materials & Design, 2020 - Elsevier
Understanding the factors influencing yield strengthening in alloys processed by laser
powder bed fusion (LPBF) is critical in designing new formulations, and for predicting the …

Crack initiation under thermal fatigue: An overview of CEA experience. Part I: Thermal fatigue appears to be more damaging than uniaxial isothermal fatigue

A Fissolo, S Amiable, O Ancelet, F Mermaz… - International Journal of …, 2009 - Elsevier
For nuclear reactor components, uniaxial isothermal fatigue curves are used to estimate the
crack initiation under thermal fatigue. However, such approach would be not sufficient in …