About metastable cellular structure in additively manufactured austenitic stainless steels

D Kong, C Dong, S Wei, X Ni, L Zhang, R Li… - Additive …, 2021 - Elsevier
The quick-emerging paradigm of additive manufacturing technology has revealed salient
advantages in enabling the tailored-design of structural components with more exceptional …

Laser-based directed energy deposition (DED-LB) of advanced materials

D Svetlizky, B Zheng, A Vyatskikh, M Das… - Materials Science and …, 2022 - Elsevier
Directed energy deposition (DED) has matured into an essential additive manufacturing
(AM) branch. DED has been broadly implemented in the design and fabrication of novel …

Origin of dislocation structures in an additively manufactured austenitic stainless steel 316L

KM Bertsch, GM De Bellefon, B Kuehl, DJ Thoma - Acta Materialia, 2020 - Elsevier
In this experiment, the origin of dislocation structures in AM stainless steels was
systematically investigated by controlling the effect of thermal stress through geometric …

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 …

Strengthening CrFeCoNiMn0. 75Cu0. 25 high entropy alloy via laser shock peening

W Fu, Y Huang, J Sun, AHW Ngan - International Journal of Plasticity, 2022 - Elsevier
For most metallic materials, surface hardening via modifying the near-surface microstructure
is an effective method for improving mechanical properties. Among these processes, laser …

Directed energy deposition of metals: processing, microstructures, and mechanical properties

SH Li, P Kumar, S Chandra… - International Materials …, 2023 - journals.sagepub.com
Amongst the many additive manufacturing (AM) techniques, directed energy deposition
(DED) is a prominent one, which can also be used for the repair of damaged components. In …

A machine learning framework to predict local strain distribution and the evolution of plastic anisotropy & fracture in additively manufactured alloys

W Muhammad, AP Brahme, O Ibragimova… - International Journal of …, 2021 - Elsevier
Abstract Machine learning (ML) approaches are widely used to develop systems or
frameworks with the ability to predict the properties of interest by learning and establishing …

Role of δ-phase on mechanical behaviors of additive manufactured inconel 718: detailed microstructure analysis and crystal plasticity modelling

N Xi, Z Ni, X Fang, Y Zhou, K Tang, H Zhang… - International Journal of …, 2023 - Elsevier
In this work, a multi-scale approach was applied to reveal the evolution mechanisms of the δ
(Ni 3 Nb) phase and the resultant mechanical responses in wire-arc additive manufactured …

The significance of spatial length scales and solute segregation in strengthening rapid solidification microstructures of 316L stainless steel

T Pinomaa, M Lindroos, M Walbrühl, N Provatas… - Acta Materialia, 2020 - Elsevier
Selective laser melting (SLM) can produce outstanding mechanical properties in 316L
stainless steel. Nonetheless, the technique can lead to considerable variation in quality. This …

Stress relaxation and the cellular structure-dependence of plastic deformation in additively manufactured AlSi10Mg alloys

Z Li, Z Li, Z Tan, DB Xiong, Q Guo - International Journal of Plasticity, 2020 - Elsevier
We investigate and examine the tensile properties and deformation mechanisms of
AlSi10Mg alloys fabricated by laser powder-bed-fusion (L-PBF) technology. Repeated stress …