Recent progress in gradient-structured metals and alloys

W Ji, R Zhou, P Vivegananthan, MS Wu, H Gao… - Progress in Materials …, 2023 - Elsevier
Gradient structures found in biological materials have served as a source of inspiration for
scientists seeking to enhance the performance of metals and alloys over the past decades …

Trifunctional Laves precipitates enabling dual-hierarchical FeCrAl alloys ultra-strong and ductile

SY Liu, H Wang, JY Zhang, H Zhang, H Xue… - International Journal of …, 2022 - Elsevier
The synergy of ultra-high strength and large ductility is a vital requirement in particular for
single-phase structural alloys; unfortunately these two properties are generally mutually …

An in situ study on the effect of grain boundaries on helium bubble formation in dual beam irradiated FeCrAl alloy

T Sun, T Niu, Z Shang, WY Chen, M Li, H Wang… - Acta Materialia, 2023 - Elsevier
FeCrAl alloy is one of the promising cladding materials in the advanced nuclear reactors.
Here we compare the irradiation response of the nanolaminate (NL) and coarse-grained …

Improved irradiation resistance of accident-tolerant high-strength FeCrAl alloys with heterogeneous structures

KS Mao, CP Massey, Y Yamamoto, KA Unocic… - Acta Materialia, 2022 - Elsevier
Post–neutron irradiation examination is performed on advanced accident-tolerant fuel (ATF)
cladding iron-chromium-aluminum (FeCrAl) alloys with∼ 10–13at.% Cr,∼ 10–12 at.% Al,∼ …

Strong interfaces: the key to high strength in nano metallic laminates

Y Zhang, TJ Nizolek, L Capolungo, N Li, JS Carpenter… - Acta Materialia, 2024 - Elsevier
Excellent mechanical properties of nanomaterials are usually attributed to their nanoscale
feature size and high-density interfaces. This work explores the effects of intrinsic interface …

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 …

Bridging microscale to macroscale mechanical property measurements of FeCrAl alloys by crystal plasticity modeling

M Gong, D Xie, T Sun, X Zhang, L Shao… - International Journal of …, 2023 - Elsevier
FeCrAl alloys are candidates for accident tolerant fuel cladding of light water reactors. In this
work, a microstructure-and temperature-dependent crystal plasticity model is employed to …

In-situ synthesis of TiN and its effects on Fe-12Cr-6Al in laser powder bed fusion

O Cakmak, H Yeom, JW Cho - Additive Manufacturing, 2024 - Elsevier
This study examines the feasibility of in-situ synthesis of various nitride and oxide
precipitates and their impact on Fe-12Cr-6Al alloy characteristics using an N 2 reactive gas …

Effect of Zr addition on the microstructures and mechanical properties of ZrC–FeCrAl alloys

N Li, F Li, D Gao, S Yu, S Zhang, H Wang… - Materials Science and …, 2022 - Elsevier
In light water reactors (LWR), it is necessary to decrease the thickness of the FeCrAl alloy
cladding to reduce neutron absorption to further reduce the impact on the reactor cycle …

Additive manufacturing of an ultrastrong, deformable Al alloy with nanoscale intermetallics

A Shang, B Stegman, K Choy, T Niu, C Shen… - Nature …, 2024 - nature.com
Abstract Light-weight, high-strength, aluminum (Al) alloys have widespread industrial
applications. However, most commercially available high-strength Al alloys, like AA 7075 …