Investigation of strengthening mechanisms in an additively manufactured Haynes 230 alloy

B Yang, Z Shang, J Ding, J Lopez, W Jarosinski, T Sun… - Acta Materialia, 2022 - Elsevier
There are abundant studies on additive manufacturing of Ni alloys, such as Inconel 718.
However, the studies on the microstructure and the deformation behavior of solid solution …

High-density twin boundaries in transition metal nitride coating with boron doping

S Yang, T Guo, X Yan, K Gao, X Pang - Acta Materialia, 2023 - Elsevier
The formation mechanism of twin boundaries in transition metal nitrides has remained
largely unexplored owing to their high stacking fault energy that hinders twin boundary …

Ultra-strong and thermally stable nanocrystalline CrCoNi alloy

P Gao, S Sun, H Li, R Niu, S Han, H Zong… - Journal of Materials …, 2022 - Elsevier
Grain refinement to the nanocrystalline regime is the most effective way to strengthen
materials but this often deteriorates the grain-size thermal stability and plasticity. Here we …

Size dependent strengthening in high strength nanotwinned Al/Ti multilayers

YF Zhang, S Xue, Q Li, J Li, J Ding, TJ Niu, R Su… - Acta Materialia, 2019 - Elsevier
Mechanical behavior of metallic multilayers has been intensively investigated. Here we
report on the study of magnetron-sputtered highly textured Al/Ti multilayer films with various …

A fundamental understanding of how dislocation densities affect strain hardening behavior in copper single crystalline micropillars

D Xie, MJ Chen, J Gigax, D Luscher, J Wang… - Mechanics of …, 2023 - Elsevier
Under mechanical loading, the strain hardening behavior of crystalline face-centered cubic
(FCC) metals is of critical importance in determining fracture behavior and overall …

A Critical Review on Al-Co Alloys: Fabrication Routes, Microstructural Evolution and Properties

AK Sfikas, S Gonzalez, AG Lekatou, S Kamnis… - Metals, 2022 - mdpi.com
Al-Co alloys is an emerging category of metallic materials with promising properties and
potential application in various demanding environments. Over the years, different …

Ultrahigh strength and plasticity in laser rapid solidified Al–Si nanoscale eutectics

HH Lien, J Mazumder, J Wang… - Materials Research …, 2020 - Taylor & Francis
ABSTRACT As-cast Al–20wt.% Si alloys were processed via laser rapid solidification (LRS)
techniques to create eutectic microstructures with nanoscale interconnected, nanotwinned …

Deformation behavior and phase transformation of nanotwinned Al/Ti multilayers

YF Zhang, Q Li, M Gong, S Xue, J Ding, J Li, J Cho… - Applied Surface …, 2020 - Elsevier
Abstract Nanotwinned Al/Ti multilayers have exhibited size-dependent microstructure
evolution and high strength. However, their deformation mechanisms are less well …

Grain boundary and twin boundary solute segregations in nanocrystalline Al-Mg alloy

XY Sheng, Z Shang, AY Shang, H Wang, X Zhang - Scripta Materialia, 2024 - Elsevier
Chemical segregations at grain boundaries (GBs) have been broadly investigated in Al
alloys. However, there are limited experimental evidence demonstrating the dependence of …

Achieving strong and stable nanocrystalline Al alloys through compositional design

Q Li, J Wang, H Wang, X Zhang - Journal of Materials Research, 2021 - Springer
Al alloys often suffer from low mechanical strength and lack high-temperature microstructural
and mechanical robustness. A series of binary and ternary nanocrystalline (NC) Al transition …